[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "1.1"]
[White "Andreev, Dobrotich"]
[Black "Ivanov, Oleg M."]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1986"]
[BlackElo "1628"]
[PlyCount "37"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Bb5+ c6 5. dxc6 bxc6 6. Bc4 exf3 7. O-O fxg2
8. Re1+ Be7 9. Qh5 Nh6 10. d3 O-O 11. Bxh6 gxh6 12. Re3 Kh8 13. Nc3 f5 14. Rae1
Bg5 15. Re8 Bd7 16. Rxd8 Rxd8 17. h4 Bd2 18. Re7 a5 19. Qf7 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "1.2"]
[White "Georgiev, Kristian"]
[Black "Gelemerov, Yane"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1580"]
[BlackElo "1976"]
[PlyCount "45"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. Nf3 Nc6 6. cxd4 Bg4 7. Be2 Nf6 8.
Nc3 Bb4 9. O-O Bxc3 10. bxc3 O-O 11. Ba3 Rfe8 12. Qc2 Rad8 13. h3 Bh5 14. Rab1
a6 15. Rfe1 Bg6 16. Bd3 Bxd3 17. Qxd3 Rxe1+ 18. Rxe1 Qxa2 19. c4 Re8 20. Rb1 b6
21. Rb2 Qa1+ 22. Rb1 Qa2 23. Rb2 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "1.3"]
[White "Ignatov, Bojidar"]
[Black "Georgiev, Nikolay Zh."]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1770"]
[BlackElo "1574"]
[PlyCount "102"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Ng5 h6 8. Nge4
a5 9. f4 g6 10. h4 Nxc3 11. bxc3 Bf5 12. Nf2 h5 13. Be2 Qd7 14. Bf3 e6 15. Qe2
a4 16. Be3 Na6 17. g4 hxg4 18. Nxg4 Bxg4 19. Bxg4 Nc7 20. Kf2 O-O-O 21. h5 gxh5
22. f5 Bh6 23. Bxh5 Bxe3+ 24. Kxe3 Rdg8 25. Raf1 exf5 26. Bf3 Nd5+ 27. Kd2 Kb7
28. Kc2 Ka6 29. Qd2 f4 30. Bxd5 Qxd5 31. Rxh8 Rxh8 32. Qxf4 Rh7 33. Kb1 Rh1 34.
Qc1 Rxf1 35. Qxf1 Qe4+ 36. Kc1 Qg6 37. Qf3 Kb6 38. Qe3 Kc7 39. d5 cxd5 40. Qc5+
Qc6 41. Qe7+ Qd7 42. Qc5+ Kd8 43. Qb6+ Ke8 44. Qc5 Kd8 45. Kb2 Ke8 46. Qb6 Ke7
47. Qf6+ Ke8 48. Qh8+ Ke7 49. Qf6+ Ke8 50. Qh8+ Ke7 51. Qf6+ Ke8 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "1.4"]
[White "Mladenov, Andrey"]
[Black "Mihalev, Daniil"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1552"]
[BlackElo "1760"]
[PlyCount "148"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Nxd4 8.
Bxd4 d6 9. Be2 O-O 10. O-O Bd7 11. f4 Bc6 12. Bf3 Nd7 13. Bxg7 Kxg7 14. Qe2
Qb6+ 15. Kh1 Rac8 16. Nd5 Bxd5 17. cxd5 Rc7 18. Rac1 Rfc8 19. Qd2 Rxc1 20. Rxc1
Qf2 21. Qd1 Rc5 22. Rxc5 Nxc5 23. Qc1 Qd4 24. Qc3 Qxc3 25. bxc3 a5 26. a3 h5
27. h4 b5 28. Be2 Nxe4 29. Bxb5 Nxc3 30. Bc6 Ne2 31. Kh2 Nxf4 32. Kg3 Nd3 33.
Kf3 Kf6 34. Ke3 Nc5 35. Kd4 a4 36. Kc4 Ke5 37. Be8 Kf6 38. Kd4 e5+ 39. dxe6
fxe6 40. Kc4 g5 41. g3 e5 42. Kd5 gxh4 43. gxh4 Ke7 44. Bxh5 e4 45. Be2 Kf6 46.
Kxd6 Nd3 47. Kc6 Kf5 48. Kb5 Nb2 49. Kb4 Kf4 50. Kc3 Ke3 51. h5 Nd3 52. h6 Nf4
53. Bb5 Nd5+ 54. Kc4 Nf6 55. Kc5 Kf4 56. Kd6 Kg5 57. h7 Nxh7 58. Bxa4 e3 59.
Bb5 Nf6 60. Ke5 Nd7+ 61. Ke4 Kf6 62. Kxe3 Nb6 63. Kd4 Ke6 64. Kc5 Nc8 65. a4
Ke7 66. a5 Kd8 67. Bc6 Kc7 68. Bf3 Na7 69. a6 Nc8 70. Bg4 Na7 71. Bf5 Nc6 72.
Be4 Na7 73. Bb7 Nc8 74. Bc6 Na7 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "1.5"]
[White "Babatov, Martin"]
[Black "Kononenko, Vladimir"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1709"]
[BlackElo "1329"]
[PlyCount "124"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. Bd3 Bg6 5. Bxg6 hxg6 6. Nf3 Bd6 7. Bxd6 cxd6 8.
Nbd2 Nc6 9. a3 e5 10. dxe5 dxe5 11. Nb3 f5 12. Rc1 Nf6 13. c4 dxc4 14. Qxd8+
Rxd8 15. Rxc4 Rd3 16. Nc5 Rd5 17. Nxb7 Ne7 18. O-O e4 19. Nd4 O-O 20. b4 Rb8
21. Na5 Rbd8 22. Rc7 R8d7 23. Rxd7 Rxd7 24. Rc1 f4 25. h3 fxe3 26. fxe3 Nfd5
27. Kf2 Nf5 28. Nxf5 gxf5 29. Rd1 Kf7 30. Nb7 Ke7 31. Nc5 Rd6 32. g4 f4 33.
exf4 e3+ 34. Ke1 Nxf4 35. Rxd6 Kxd6 36. h4 Kd5 37. Nb3 Ke4 38. h5 Kf3 39. Nd4+
Kxg4 40. b5 Nxh5 41. Ke2 Kf4 42. a4 Ke4 43. Nc6 Nf4+ 44. Ke1 g5 45. Nb4 g4 46.
Nc2 g3 47. Kf1 e2+ 48. Kg1 Kd3 49. Ne1+ Kd2 50. Nf3+ Ke3 51. Ne1 Nd3 52. Ng2+
Kf3 53. a5 e1=Q+ 54. Nxe1+ Nxe1 55. b6 axb6 56. axb6 Kg4 57. b7 Nf3+ 58. Kf1
Kh3 59. b8=Q g2+ 60. Ke2 g1=Q 61. Qc8+ Qg4 62. Qxg4+ Kxg4 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "2.2"]
[White "Gelemerov, Yane"]
[Black "Kostov, Nikolay"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1976"]
[BlackElo "1668"]
[PlyCount "46"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 ({RR} 4. Be2 Nxd5 5. d4 Bf5 6. Nf3 e6)
4... c6 ({RR} 4... Bg4) 5. dxc6 ({RR} 5. Nc3 cxd5 ({RR} 5... Bg4 6. f3) 6. Nxd5
Nxd5 7. Bxd5 Nc6 8. Nf3) 5... Nxc6 6. Nf3 ({RR} 6. d4 e5 7. dxe5 Nxe5 8. Qe2
Bb4+ 9. c3 O-O 10. cxb4 Bg4 11. f3 ({RR} 11. Nf3 Nxc4 12. O-O Rc8) 11... Re8 ({
RR} 11... Nxc4 12. Qxc4 Rc8 13. Qf4) 12. Bb5 Bd7 ({RR} 12... Nd3+ 13. Bxd3 Qxd3
14. fxg4 Rxe2+ ({RR} 14... Nd5) ({RR} 14... Rac8) 15. Nxe2 Re8 16. Nbc3 Nxg4)
13. Be3 Nd5) 6... h6 ({RR} 6... e5 7. d3 Bc5 8. Nc3 ({RR} 8. O-O Bg4 9. h3 Bh5)
8... Bg4 9. h3 ({RR} 9. O-O Nd4 10. Bxf7+ Kf8 ({RR} 10... Kxf7 11. Nxe5+ Kf8
12. Nxg4 Nxg4 13. Qxg4) 11. Bc4 Nxf3+ 12. gxf3 Bh3 13. Re1 Qe8 14. Bf4) 9...
Bh5 10. Bg5 h6 11. Bxf6 gxf6 ({RR} 11... Qxf6 12. Ne4 Qe7) 12. Ne4 Be7 ({RR} 
12... Bb6) 13. Ng3 Bg6 ({RR} 13... Bxf3 14. Qxf3 Nd4 15. Qd1 ({RR} 15. Qh5
Nxc2+ 16. Kd2 Nxa1 17. Qxf7+ Kd7)) 14. Nh4 b5 ({RR} 14... Qd4 15. Nxg6 fxg6 16.
c3) 15. Bb3 ({RR} 15. Bxb5 Qa5+) 15... Nd4 16. Nxg6 fxg6 17. Qg4 Qa5+ 18. Kf1
g5 ({RR} 18... Nxb3 19. Qxg6+ Kd8 20. cxb3) 19. Rd1 Rd8 20. Nf5 h5 21. Ng7+ {
Mukhametov,E (2390)-Terekhin,A (2350)/St Petersburg 1994/CBM 041/[Blatny,P]/
1-0 (31)}) ({RR} 6... e6 7. d4) ({RR} 6... Bg4 7. h3 Bh5 8. c3 e5 9. d3 Bc5 10.
b4 e4 11. bxc5 exf3 12. g4 Qe7+ 13. Be3 Bg6 14. Qxf3 Rd8 15. O-O Bxd3 16. Bxd3
Rxd3 17. Qf5 Ne5 18. Na3 g6 19. Qf4 Nd5 20. Qa4+ Nc6 21. Bd4 {
Podolnyy,J (1983)-Spreer,L (1628)/Leipzig 2016/EXT 2017/0-1 (34)}) 7. O-O e5
$146 ({RR} 7... Qc7 8. d4 Bf5 9. c3 e6 10. Re1 Be7 11. Nbd2 O-O 12. Nf1 Bd6 13.
Be2 Ng4 14. h3 Nf6 15. Be3 Rad8 16. N1d2 a6 17. Nc4 Be7 18. a4 Nd5 19. Qc1 Kh7
20. Nfe5 Nxe5 21. Nxe5 Bd6 22. Nc4 {
Kavalski,P (1585)-Gasch,F (1526)/Leutersdorf 2003/CBM 092 Extra/1-0 (47)}) ({RR
} 7... Bg4 8. Be2 e6 9. Nc3 a6 10. h3 Bh5 11. d3 Bd6 12. Be3 O-O 13. Qd2 Kh7
14. Ne4 Nxe4 15. dxe4 Bg6 16. Rad1 Bc7 17. Qc3 Qe8 18. Bc5 Rg8 19. e5 Rc8 20.
Bd3 Ne7 21. Bxg6+ Nxg6 22. Qe3 {
Vladyka,V (2074)-Gasch,F (1526)/Leutersdorf 2003/CBM 092 Extra/1-0 (50)}) 8.
Re1 Bg4 9. h3 Bh5 10. g4 Nxg4 11. hxg4 Bxg4 12. Be2 Bd6 13. Nc3 O-O 14. d3 f5
15. Nh2 Qh4 16. Nf1 Rf6 17. Bxg4 Rg6 18. f3 fxg4 19. f4 Nd4 20. Be3 Nf3+ 21.
Kg2 exf4 22. Bg1 Qh3+ 23. Kf2 Bc5+ 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "2.3"]
[White "Mladenov, Andrey"]
[Black "Ignatov, Bojidar"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1552"]
[BlackElo "1770"]
[PlyCount "74"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7 5. c3 Nf6 6. e5 Ne4 7. cxd4 d5 8. Bd3
Bg4 9. Be3 O-O 10. O-O f5 11. exf6 Nxf6 12. h3 Bh5 13. Nc3 Qd7 14. Bb5 Ne4 15.
Ne5 Qe8 16. Qb3 Nxc3 17. Qxc3 Rd8 18. Nxc6 bxc6 19. Qxc6 Qf7 20. f4 Qf5 21. Qc3
Bg6 22. Be2 Qe6 23. Bg4 Bf5 24. Bxf5 Qxf5 25. Rad1 Bf6 26. Kh1 Rfe8 27. Bg1 Re4
28. Qxc7 Rc8 29. Qa5 Re2 30. Rd2 Rc2 31. Rxc2 Qxc2 32. Qxd5+ Kf8 33. Rf3 Rxg2
34. Rc3 Rxg1+ 35. Kxg1 Qb1+ 36. Kh2 Qxb2+ 37. Qg2 Qxc3 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "2.4"]
[White "Mihalev, Daniil"]
[Black "Simeonov, Daniel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1760"]
[PlyCount "63"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 Nc6 2. d4 e6 3. Bf4 ({RR} 3. g3 Nf6 4. Bg2 g6 5. O-O Bg7 6. c4 d5 7. Qc2
O-O 8. Rd1 Ne7 9. Nc3 b6 10. cxd5 exd5 11. Bf4 Bf5 12. Qa4 Ne4 13. Rac1 c5 14.
dxc5 Nxc3 15. bxc3 bxc5 16. Ne1 Qb6 17. Nd3 Rac8 {
Ionov,S (2530)-Vlassov,N (2425)/St Petersburg 1994/CBM 043 Extra/1/2 (34)})
3... d6 ({RR} 3... h6 4. h3 b6 5. e3 Bb7 6. c4 d6 7. Nc3 Nf6 8. Bd3 Be7 9. a3
O-O 10. Qe2 d5 11. O-O Bd6 12. Ne5 Be7 13. Rad1 Nh7 14. cxd5 exd5 15. Qf3 Bg5
16. Nxd5 Bxf4 17. Nxf4 Ng5 18. Qg3 {
Sangiovanni,M (1514)-Pedote,P/Sao Paulo 2015/CBM 165 Extra/1-0 (35)}) 4. e3 h6
$146 ({RR} 4... b6 5. Be2 Be7 6. O-O Nf6 7. h3 O-O 8. Nbd2 h6 9. c4 Bb7 10. a3
Nh5 11. Bh2 Ba6 12. b4 Nb8 13. Rc1 Nd7 14. Re1 Re8 15. Qc2 Ndf6 16. Kh1 Qd7 17.
Ng1 Bb7 18. Bf3 Bxf3 19. Ngxf3 {
Jonsson,H-Kassem,N/Hallstahammar 1997/EXT 2001/1-0 (43)}) ({RR} 4... d5 5. Nbd2
Bd6 6. Bg3 Nf6 7. c3 Ne4 8. Nxe4 dxe4 9. Nd2 Bxg3 10. hxg3 Bd7 11. Nxe4 Qe7 12.
Bd3 e5 13. a3 exd4 14. cxd4 Qe6 15. Nc5 Qg4 16. Qc2 O-O-O 17. Nxd7 Qxd7 18. Bf5
{1-0 Botos,J (1895)-Pirity,M/Budapest 2014/CBM 158 Extra}) ({RR} 4... a6 5.
Nbd2 Nf6 6. c3 h6 7. Qc2 Bd7 8. h3 Nd5 9. Bh2 Be7 10. Bd3 Bf6 11. e4 Nb6 12.
Rd1 Bg5 13. O-O O-O 14. Nxg5 Qxg5 15. f4 Qh5 16. Nc4 Nxc4 17. Bxc4 b5 18. Be2
Qh4 19. Qd3 {Terzic,M-Jakupi,S/Serbia 2007/EXT 2012/1-0 (69)}) 5. Nbd2 Nf6 6.
h4 a6 7. c3 Bd7 8. Bd3 g6 9. Qc2 Qe7 10. O-O-O O-O-O 11. Kb1 Bg7 12. Rc1 d5 13.
c4 Nb4 14. Qb3 Bf8 15. Be2 c5 16. cxd5 Nfxd5 17. Rxc5+ Nc6 18. Bxa6 Be8 19.
Rhc1 Nxf4 20. Rxc6+ Bxc6 21. Rxc6+ Kb8 22. Bxb7 Qb4 23. exf4 Qxb3 24. Nxb3 Kxb7
25. Ne5 Bb4 26. Rc4 Bd6 27. Nxf7 Bxf4 28. Nxh8 Rxh8 29. Nc5+ Kb6 30. Nxe6 Bd6
31. d5 Rh7 32. Rc6+ 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "2.5"]
[White "Georgiev, Nikolay Zh."]
[Black "Babatov, Martin"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1574"]
[BlackElo "1709"]
[PlyCount "92"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3
Nd7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 Ngf6 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Qe2 e6
15. O-O-O O-O-O 16. c4 c5 17. Bc3 cxd4 18. Nxd4 Qf4+ 19. Kb1 Qe4+ 20. Qxe4 Nxe4
21. Ne2 Rxd1+ 22. Rxd1 Nxf2 23. Rf1 Bc5 24. Bd4 Bxd4 25. Nxd4 Rd8 26. Rxf2 Rxd4
27. Rxf7 Rg4 28. Re7 Rxg2 29. Rxe6 Rg4 30. Re7 Rxc4 31. Rxg7 Rc5 32. Rg8+ Kd7
33. Rg7+ Kd8 34. Rxb7 a5 35. b4 axb4 36. Rxb4 Rxh5 37. a4 Kc7 38. Kc2 Rh2+ 39.
Kd3 Rh3+ 40. Ke2 h5 41. Rb5 h4 42. Rh5 Kb6 43. Kf2 Ra3 44. Rxh4 Ka5 45. Ke2
Rxa4 46. Rxa4+ Kxa4 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "2.6"]
[White "Kononenko, Vladimir"]
[Black "Georgiev, Kristian"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1329"]
[BlackElo "1580"]
[PlyCount "58"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 dxc4 5. Bxc4 Nf6 6. Bg5 Be7 7. Nc3 O-O 8.
Nge2 c6 9. O-O Nbd7 10. Re1 b5 11. Bb3 Nb6 12. Qd3 a5 13. Bc2 g6 14. Ng3 b4 15.
Na4 Ba6 16. Qf3 Nbd5 17. h3 Re8 18. Bxf6 Bxf6 19. Red1 Bb5 20. Nc5 Ra7 21. Nge4
Bg7 22. Qg3 Bh6 23. Nd6 Nf4 24. Qf3 Qxd6 25. Ne4 Qd8 26. Re1 Kh8 27. Bb3 a4 28.
Bc2 Rae7 29. Rad1 f5 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "3.2"]
[White "Ignatov, Bojidar"]
[Black "Mihalev, Daniil"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1770"]
[BlackElo "1760"]
[PlyCount "120"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 g6 2. e4 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Nf6 6. Bd3 O-O 7. f3 e5 8. Be3 Nh5
9. Nge2 f5 10. Qc2 ({RR} 10. exf5 gxf5 ({RR} 10... Bxf5 11. Bxf5 gxf5 12. Qd2
Qh4+ 13. g3 Qxc4 14. O-O-O Nd7 15. Kb1 f4 16. Bg1 Nhf6 17. gxf4 Rae8 18. Be3 e4
19. Ng3 exf3 20. Rhg1 Kh8 21. f5 b5 22. Bh6 Bxh6 23. Qxh6 f2 24. Rgf1 b4 25.
Na4 {Yan,X (1900)-Yuan,Q (2358)/Zhongshan 2014/EXT 2015/0-1 (32)}) 11. Qd2 a6
12. a4 Nd7 13. Bg5 Qe8 ({RR} 13... Bf6 14. Bxf6 Qxf6) 14. O-O Ndf6 15. Bc2 Bd7
16. Rab1 Qc8 ({RR} 16... e4 17. b4 b6 18. bxc5 bxc5 19. Rb6 Qe5) ({RR} 16... b6
17. b4 Rb8) 17. a5 Qc7 ({RR} 17... b5 18. axb6 Rb8 19. Na4 ({RR} 19. b4 cxb4)
19... Bxa4 20. Bxa4 Rxb6) ({RR} 17... Qe8) 18. Na4 e4 19. Nb6 Rae8 20. Rbe1 Kh8
21. Kh1 Rg8 ({RR} 21... exf3 22. gxf3 ({RR} 22. Rxf3 Ne4) 22... Ng8) 22. Nf4
Nxf4 23. Qxf4 Ref8 24. Qh4 Be8 {
Hort,V (2620)-Gligoric,S (2565)/Niksic 1978/MCL/[Dolmatov]/1-0 (33)}) 10... Na6
11. a3 Bd7 $146 ({RR} 11... Nc7 12. exf5 gxf5 13. O-O-O e4 14. fxe4 f4 15. Bd2
Be5 16. Ng1 Bg4 17. Be2 Nf6 18. Nf3 Bxf3 19. Bxf3 Qe8 20. g3 fxg3 21. hxg3 b5
22. Rh4 bxc4 23. Rdh1 Rb8 24. g4 Nb5 25. Nxb5 Rxb5 26. Bc3 {
Andersson,K (2098)-Andersson,G (2169)/Lund 2010/CBM 137 Extra/0-1}) 12. h3 f4
13. Bf2 Nc7 14. b4 b6 15. Kd2 Qg5 16. Rhg1 Qe7 17. Nc1 Rfc8 18. Nb3 Na6 19.
bxc5 Nxc5 20. Nxc5 bxc5 21. Rgb1 Rab8 22. Rb3 Qg5 23. Bf1 Ng3 24. Ke1 Qd8 25.
Rab1 Rxb3 26. Qxb3 Qa5 27. Kd2 Bf6 28. Kd3 Qc7 29. Be2 h5 30. Be1 Bd8 31. Qb7
Kf7 32. Qxc7 Rxc7 33. Rb8 Ke7 34. Nb5 Bxb5 35. Rxb5 Nxe2 36. Kxe2 g5 37. Ba5
Rd7 38. Bxd8+ Rxd8 39. Kd3 a6 40. Rb6 a5 41. Kc2 Ra8 42. Rb7+ Kf6 43. Rh7 a4
44. h4 gxh4 45. Rxh5 Rg8 46. Rxh4 Rxg2+ 47. Kd3 Rf2 48. Rh7 Rxf3+ 49. Ke2 Rxa3
50. Rd7 Re3+ 51. Kd2 Rxe4 52. Rxd6+ Ke7 53. Re6+ Kd7 54. Kd3 Re3+ 55. Kd2 a3
56. Ra6 e4 57. Kc2 f3 58. Rf6 Re2+ 59. Kd1 a2 60. Ra6 Rh2 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "3.3"]
[White "Georgiev, Kristian"]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1580"]
[BlackElo "1986"]
[PlyCount "134"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. f4 ({RR} 6. Nce2 c5 7. c3
Nc6 8. h4 h6 9. Nf4 Bh7 10. Bd3 Bxd3 11. Qxd3 cxd4 12. cxd4 Nb4 13. Qb5+ Qd7
14. Qxd7+ Kxd7 15. Kd1 Rc8 16. Nge2 Ne7 17. Be3 Nc2 18. Rc1 Nxe3+ 19. fxe3
Rxc1+ 20. Kxc1 f5 {
Jeric,S (2385)-Burmakin,V (2535)/Ljubljana 1996/CBM 053 Extra/1/2}) 6... h5
$146 ({RR} 6... Qh4+ 7. Ke2 ({RR} 7. Kd2 Qf2+ 8. Nce2 Be4 9. Nh3 Qh4 10. Rg1
Bf3 11. Qe1 Qxe1+ 12. Kxe1 h5 13. g5 Ne7 14. Kf2 Be4 15. c3 g6 16. Ng3 Bf5 17.
Nxf5 Nxf5 18. Bd3 Ne7 19. b4 Nd7 20. Bd2 b6 21. Rgb1 a6 {
Maleska,A (2035)-Rybak,A/Biala Podlaska 1994/EXT 2001/1/2 (42)}) 7... Qxg4+ 8.
Nf3 Be4 9. Kf2 Be7 10. Be2 Bh4+ 11. Kf1 Qh3+ 12. Kg1 Bxf3 13. Bxf3 Ne7 14. Bg4
Bf2+ 15. Kxf2 Qh4+ 16. Kf1 h5 17. Bf3 Nf5 18. Ne2 Nd7 19. Bd2 Qe7 20. Nc3 Nxd4
21. Bxh5 {Pantelides,L-Charalambous,C/Nicosia 2015/EXT 2016/0-1 (37)}) ({RR} 
6... h6 7. h4 h5 8. g5 Bf5 9. Be2 g6 10. Be3 Qb6 11. Rb1 Nd7 12. b3 c5 13. a3
Qa5 14. Bd2 cxd4 15. Nb5 Qb6 16. a4 a5 17. Nf3 Bc5 18. b4 axb4 19. Bxb4 Rxa4
20. Bxc5 Nxc5 21. Nd6+ {Dihel,M-Skalicky,T/Frydek Mistek 2007/EXT 2010/1-0}) 7.
f5 Qh4+ 8. Ke2 exf5 9. Nf3 Qd8 10. gxf5 Bxf5 11. Be3 Ne7 12. Qd2 Nd7 13. Nh4
Bg4+ 14. Ke1 Nf5 15. Nxf5 Bxf5 16. Bg2 Be7 17. Ne2 Bh4+ 18. Ng3 Bg4 19. Rf1 Qb6
20. c3 O-O 21. Kf2 Qb5 22. Kg1 Bxg3 23. hxg3 Qe2 24. Qc1 Rae8 25. Rf2 Qd3 26.
Bf1 Qg6 27. Qd2 f6 28. Bd3 f5 29. Rh2 Rf7 30. Bf4 Nf8 31. b3 Ne6 32. Bf1 Bf3
33. Qe3 Bg4 34. a4 Rd7 35. b4 Qf7 36. a5 Qe7 37. Rha2 g5 38. b5 gxf4 39. gxf4
c5 40. b6 a6 41. Rb2 c4 42. Rg2 Qh7 43. Be2 Rg7 44. Bf1 Qh6 45. Rf2 Bf3+ 46.
Kh2 Be4 47. Bh3 Ree7 48. Rff1 h4 49. Qf2 Rg3 50. Rac1 Reg7 51. Rce1 Rg2+ 52.
Bxg2 Rxg2+ 53. Qxg2+ Bxg2 54. Kxg2 Nxf4+ 55. Kh2 Nd3 56. Re2 f4 57. e6 Kf8 58.
e7+ Ke8 59. Rg1 Qh7 60. Reg2 Qh5 61. Rg7 Qe2+ 62. R1g2 f3 63. Rg8+ Kxe7 64.
R8g7+ Kf6 65. R7g6+ Kf5 66. R6g5+ Kf4 67. R5g4+ Ke3 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "3.4"]
[White "Babatov, Martin"]
[Black "Markov, Daniel"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1709"]
[BlackElo "1152"]
[PlyCount "59"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 Re8 8. Bd3
({RR} 8. Nh3 c6 9. Nf2 b6 10. Be2 Bb7 11. O-O Qc7 12. Rfd1 Rad8 13. Rac1 e6 14.
Bg5 a6 15. Ng4 c5 16. Nh6+ Kf8 17. dxc5 dxc5 18. Qd6+ Qxd6 19. Rxd6 Rc8 20.
Rcd1 Bc6 21. f4 Nb8 22. e5 Ng8 {
Peter,A (2435)-Varaljai,I (2195)/Kobanya 1996/EXT 2004/1-0 (59)}) 8... c5 9. d5
Ne5 ({RR} 9... a6 10. Nge2 Ne5 11. h3 b5 12. cxb5 c4 13. Bc2 axb5 14. Nxb5 Ba6
15. Nbc3 Nfd7 16. f4 Nd3+ 17. Bxd3 cxd3 18. Nd4 Qa5 19. O-O Nc5 20. Rab1 Qb6
21. Nf3 Qb4 22. e5 Ne4 23. Nxe4 Qxe4 24. Bd4 {Moore Guzman,F (2046)-Brito
Rondon,E (1962)/Santo Domingo 2015/CBM 166 Extra/0-1 (43)}) 10. Nge2 e6 $146 ({
RR} 10... Nfd7 11. f4 Nxd3+ 12. Qxd3 a6 13. a4 Nf8 14. O-O Rb8 15. Ng3 Qc7 16.
Kh1 b6 17. Qd2 Nd7 18. Qc2 Bb7 19. Rae1 Rf8 20. Bc1 Rbe8 21. b3 e6 22. Bb2 e5
23. f5 Nf6 24. Bc1 Bc8 25. Bg5 {
Wittmer,T-Zieger,E/Hockenheim 1994/EXT 2003/1/2 (35)}) ({RR} 10... Kh8 11. O-O
Bd7 12. Rad1 Ng8 13. b3 a6 14. a4 Qa5 15. Ra1 Rf8 16. Bc2 Rab8 17. h3 f5 18. f4
Nf7 19. exf5 gxf5 20. Bd3 Nfh6 21. Qc2 Nf6 22. Bd2 Qc7 23. Ng3 Qc8 24. Rae1 Rf7
25. Rf2 {Lisboa Torres,E-Martins,V (2009)/Sao Paulo 2009/CBM 132 Extra/1-0 (56)
}) ({RR} 10... Rb8 11. O-O-O Bd7 12. Rdf1 a6 13. g4 b5 14. cxb5 c4 15. Bb1 axb5
16. h3 b4 17. Nd1 Qc7 18. Ng3 Nd3+ 19. Bxd3 cxd3+ 20. Kb1 Rec8 21. Nf2 b3 22.
a3 Qc2+ 23. Ka1 Qxd2 24. Bxd2 Rc2 25. Bc3 {
Bustamante Casas,R-Medrano Urresti,D/Merida 1997/EXT 1999/0-1 (33)}) 11. h3 a6
12. f4 Nxd3+ 13. Qxd3 Bd7 14. g4 exd5 15. cxd5 Nxg4 16. hxg4 Bxg4 17. O-O-O b5
18. Rdg1 Bxe2 19. Nxe2 Qa5 20. Qb1 c4 21. Bd4 Bxd4 22. Nxd4 c3 23. Nc6 cxb2+
24. Qxb2 Qa4 25. Rxh7 Qc4+ 26. Kd2 f6 27. Rgh1 g5 28. Rh8+ Kg7 29. R1h7+ Kg6
30. f5# 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "3.5"]
[White "Arshinkova, Boryana"]
[Black "Georgiev, Nikolay Zh."]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "1251"]
[BlackElo "1574"]
[PlyCount "74"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. f4 exf4 3. d4 Qh4+ 4. Ke2 ({RR} 4. g3 fxg3 5. Nf3 Qxe4+ 6. Qe2 Nf6
7. hxg3 Bb4+ 8. c3 Bd6 9. Qxe4+ Nxe4 10. Bf4 Bxf4 11. gxf4 O-O 12. Na3 h6 13.
O-O-O Nf2 14. Nb5 Nxh1 15. Nxc7 Ng3 16. Nxa8 Nxf1 17. Rxf1 d6 18. Nc7 Bh3 {
Govender,T (1005)-Nunnan,Y (423)/Bloemfontein 2016/CBM 171 Extra/1/2}) 4... Nf6
({RR} 4... Qe7 5. Kf2 Nf6 6. Nc3 d6 7. h3 g5 8. Bd3 Nc6 9. Nge2 Bg7 10. Bb5 O-O
11. Rf1 Nxe4+ 12. Nxe4 Qxe4 13. c3 Bf5 14. Bxc6 bxc6 15. Ng1 Rfe8 16. Bd2 Rab8
17. b3 c5 18. Nf3 h6 19. Re1 {
Bartel,M (2340)-Bartel,M (2641)/Random 2015/EXT 2016/0-1 (36)}) 5. Nf3 Qg4 6.
Ke1 $146 ({RR} 6. Nc3 Bb4 7. e5 ({RR} 7. Nd5 Nxd5 8. exd5 c6 9. Kf2 O-O 10. Be2
Qf5 11. c3 Bd6 12. Rf1 Qxd5 13. Kg1 Bc7 14. c4 Qf5 15. Ne5 d6 16. Bg4 Qf6 17.
Bxc8 Rxc8 18. Rxf4 Qe7 19. Nxf7 d5 20. Nh6+ Kh8 21. Nf7+ Kg8 {
Jacobs,B (2245)-Gelfer,I (2355)/London 1981/EXT 1999/1-0 (31)}) 7... Nh5 8. Nd5
Ba5 9. b4 Bb6 10. a4 c6 11. Nxb6 axb6 12. Kf2 b5 13. c3 O-O 14. Bb2 bxa4 15. b5
d5 16. Rxa4 Rxa4 17. Qxa4 f6 18. Ba3 Re8 19. Bd6 cxb5 20. Qxb5 Nc6 {
Gordan,N (2240)-Hossu,E/Calimanesti 1985/EXT 2015/1-0 (33)}) 6... Be7 7. Bd3
O-O 8. Kf2 d5 9. Re1 dxe4 10. Bxe4 Nxe4+ 11. Rxe4 Bd6 12. Re1 Bf5 13. Kg1 Nc6
14. Nc3 Nb4 15. Re2 Rfe8 16. Rf2 c6 17. a3 Na6 18. Rf1 Kf8 19. Nd2 Qxd1 20.
Rxd1 Bxc2 21. Rf1 Bd3 22. Rf2 Re1+ 23. Nf1 Rae8 24. h3 Nc7 25. Rf3 Be2 26. Nxe2
R8xe2 27. Kh2 Nd5 28. Nd2 Rxd2 29. Bxd2 Rxa1 30. b4 Ke8 31. h4 Kd7 32. Kh3 Kc7
33. Rb3 Kb6 34. Rf3 Kb5 35. Rb3 Ka4 36. Rf3 Rxa3 37. Rxa3+ Kxa3 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "3.6"]
[White "Kononenko, Vladimir"]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1329"]
[BlackElo "1976"]
[PlyCount "32"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. O-O d6 6. d4 Bb6 7. h3 Nf6 8. Bg5
h6 9. Bxf6 Qxf6 10. Nbd2 ({RR} 10. dxe5 dxe5 11. Qe2 g5 12. Rd1 g4 13. hxg4
Bxg4 14. Nbd2 Rg8 15. Kf1 O-O-O 16. b4 Qg6 17. a4 Qh5 18. Ke1 a5 19. Bd5 Ne7
20. Bb3 axb4 21. cxb4 Nc6 22. Nc4 Bd4 23. Rac1 Bxf3 24. Qxf3 Qh1+ {
Tomulic,T (1842)-Matanovic,L (2081)/Sv Filip i Jakov 2014/EXT 2016/0-1 (51)}) (
{RR} 10. d5 Ne7 11. Na3 g5 12. Nc2 h5 13. Ne3 g4 14. Nh2 Ng6 15. Bb5+ Kf8 16.
Bd3 Nf4 17. Nf5 Bxf5 18. exf5 g3 19. Nf3 gxf2+ 20. Kh2 h4 21. Bc2 Rg8 {
0-1 Kostov,N (1908)-Gelemerov,Y (2102)/Sofia 2014/EXT 2015}) 10... Ne7 11. d5
O-O $146 ({RR} 11... g5 12. Nh2 h5 13. Qf3 Qh6 14. g4 hxg4 15. Nxg4 Qxh3 16.
Qxh3 Rxh3 17. Nf6+ Kf8 18. Be2 Ng6 19. Nh5 g4 20. Ng3 Rxg3+ {
0-1 Hellstrom,B-Tabor,J/Helsinki 1961/EXT 2001}) 12. Re1 Ng6 13. Qe2 Nf4 14.
Qd1 Bxh3 15. gxh3 Qg6+ 16. Kf1 Qg2# 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.08"]
[Round "3.8"]
[White "Ruschukov, Boyan"]
[Black "Ivanov, Oleg M."]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1801"]
[BlackElo "1628"]
[PlyCount "21"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Bc5 6. Qd5 d6 $146 ({RR} 6...
Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 Ng6 ({RR} 8... Nec6 9. Bd3 d6 10. Ne2 a5 11. Nbc3 Na6
12. O-O Nc5 13. Ng3 O-O 14. Be2 f5 15. exf5 Bxf5 16. Nxf5 Rxf5 17. Rae1 Rf7 18.
Bh5 Rf8 19. Nd5 Qh4 20. Qd1 g6 21. Bg4 Rf7 22. g3 Qh6 23. Rf2 {
Milanovic,D (2529)-Ristic,N (2366)/Golubac 2008/EXT 2010/0-1 (38)}) 9. Nf3 Nc6
10. Bd3 ({RR} 10. Nc3 d6 11. Be2 Qe7 12. O-O O-O 13. Rad1 Bd7 14. Ng5 Qd8 15.
Bh5 h6 16. Nf3 Be6 17. b3 Nh4 18. Nd4 Nxd4 19. Qxd4 g6 20. Be2 Qe7 21. g3 Bh3
22. Rf2 Qd8 23. Nd5 f5 24. gxh4 c5 {
Sola Montoya,J (1872)-Garcia Ahumada,L (1781)/Sant Adria 2016/EXT 2017/1-0 (36)
}) 10... Qf6 11. g3 d6 12. Nc3 Nb4 13. Be2 O-O 14. a3 Na6 15. Nd5 Qe6 16. f5
Qxe4 17. fxg6 Bg4 18. gxh7+ Kxh7 19. O-O Nc5 20. Rae1 f6 21. Nd4 {
Alf,H-Coldewey,C/Kappeln 1990/EXT 2003/0-1 (31)}) 7. fxe5 c6 8. Qd3 Qh4+ 9. g3
Qh5 10. Be2 Qxe5 11. Nf3 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "4.2"]
[White "Andreev, Dobrotich"]
[Black "Babatov, Martin"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1986"]
[BlackElo "1709"]
[PlyCount "44"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Bg4 5. Bc4 e6 6. Ng3 $146 ({RR} 6. c3
Nd7 7. d4 Ngf6 8. Ng3 Qc7 ({RR} 8... Be7 9. h3 Bxf3 10. Qxf3 O-O 11. O-O Re8
12. Be3 Nf8 13. Rad1 Qc7 14. Ne4 Rad8 15. Bc1 a6 16. Bb3 b5 17. Bc2 Ng6 18. g3
Nxe4 19. Bxe4 c5 20. h4 cxd4 21. cxd4 Bf6 22. Bg5 Bxg5 23. hxg5 {
Sokolsky,A-Kholmov,R/Moscow 1947/MCL/1/2 (80)}) 9. h3 Bxf3 10. Qxf3 Bd6 11. O-O
O-O 12. Bg5 Qa5 13. Bf4 Qc7 14. Bxd6 Qxd6 15. Rad1 Rfd8 16. Bb3 Nf8 17. Rfe1
Rd7 18. Nf1 Ng6 19. g3 Rad8 20. h4 Ne7 {
Smyslov,V-Makogonov,V/Leningrad & Moscow 1939/HCL/1/2 (49)}) ({RR} 6. O-O Nf6
7. Ng3 h5 ({RR} 7... Bd6 8. h3 Bxf3 9. Qxf3 Nbd7 10. d4 Nb6 11. Bd3 Nfd5 12.
Nh5 Bf8 13. c3 Qc7 14. Bg5 f6 15. Bf4 Qe7 16. Rfe1 g6 17. Ng3 Nxf4 18. Qxf4
O-O-O 19. Ne4 Nd5 20. Qf3 Qg7 21. a3 f5 22. Ng5 {
Koksal,R (1775)-Suvar,N/Manavgat 2016/CBM 170 Extra/1-0 (46)}) 8. Re1 Nbd7 9.
h3 h4 10. Nf1 Bh5 11. d4 Qc7 12. Qd3 Bxf3 13. Qxf3 O-O-O 14. a4 Rh5 15. Ne3 Nb6
16. a5 Nxc4 17. Nxc4 Rxd4 18. Qe2 Bc5 19. Qf1 Re4 20. Bd2 Rf5 {
Blahynka,M (2400)-Krsnik Cohar,I (2292)/Porec 2015/EXT 2016/1-0 (76)}) ({RR} 6.
d3 Nd7 7. Bf4 Ngf6 8. h3 Bh5 9. g4 Bg6 10. Ng3 Nd5 11. Bxd5 Qa5+ 12. Nd2 Qxd5
13. Nde4 O-O-O 14. O-O h5 15. c4 Qa5 16. a3 e5 17. Bg5 f6 18. b4 Qc7 19. Be3
hxg4 20. Qxg4 Bf7 {Simagin,V-Zita,F/Moscow 1946/MCL/1/2 (66)}) 6... Nf6 7. h3
Bxf3 8. Qxf3 Bd6 9. d4 Qc7 10. Ne4 Nxe4 11. Qxe4 Qe7 12. Qg4 Qf6 13. Bg5 Qf5
14. Qxf5 exf5 15. Bd3 f4 16. Bh4 h6 17. f3 g5 18. Bf2 Nd7 19. O-O-O O-O-O 20.
d5 c5 21. Bf5 Kb8 22. Bxd7 Rxd7 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "4.3"]
[White "Georgiev, Nikolay Zh."]
[Black "Kostov, Nikolay"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1574"]
[BlackElo "1668"]
[PlyCount "109"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 ({RR} 4. Be2 Nxd5 5. d4 Bf5 6. Nf3 e6)
4... c6 ({RR} 4... Bg4) 5. dxc6 ({RR} 5. Nc3 cxd5 ({RR} 5... Bg4 6. f3) 6. Nxd5
Nxd5 7. Bxd5 Nc6 8. Nf3) 5... Nxc6 6. Ne2 ({RR} 6. Nf3 e5 ({RR} 6... e6 7. d4)
7. d3 Bc5 8. Nc3 ({RR} 8. O-O Bg4 9. h3 Bh5) 8... Bg4 9. h3 ({RR} 9. O-O Nd4
10. Bxf7+ Kf8 ({RR} 10... Kxf7 11. Nxe5+ Kf8 12. Nxg4 Nxg4 13. Qxg4) 11. Bc4
Nxf3+ 12. gxf3 Bh3 13. Re1 Qe8 14. Bf4) 9... Bh5 10. Bg5 h6 11. Bxf6 gxf6 ({RR
} 11... Qxf6 12. Ne4 Qe7) 12. Ne4 Be7 ({RR} 12... Bb6) 13. Ng3 Bg6 ({RR} 13...
Bxf3 14. Qxf3 Nd4 15. Qd1 ({RR} 15. Qh5 Nxc2+ 16. Kd2 Nxa1 17. Qxf7+ Kd7)) 14.
Nh4 b5 ({RR} 14... Qd4 15. Nxg6 fxg6 16. c3) 15. Bb3 ({RR} 15. Bxb5 Qa5+) 15...
Nd4 16. Nxg6 fxg6 17. Qg4 Qa5+ 18. Kf1 g5 ({RR} 18... Nxb3 19. Qxg6+ Kd8 20.
cxb3) 19. Rd1 Rd8 20. Nf5 h5 {Mukhametov,E (2390)-Terekhin,A (2350)/St
Petersburg 1994/CBM 041/[Blatny,P]/1-0 (31)}) ({RR} 6. d4 e5 ({RR} 6... Bg4 7.
f3 Qxd4 8. Qxd4 Nxd4 9. Bd3 Bf5 10. Bxf5 Nxf5 11. Ne2 e5 12. Nbc3 Bc5 13. Bd2
Ne3 14. Bxe3 Bxe3 15. Ng3 O-O-O 16. Ke2 Bd4 17. Nge4 Nxe4 18. fxe4 Bxc3 19.
bxc3 Rd6 20. Rhd1 Rhd8 21. Rd3 {
Kavcic,J (2097)-Skrinjar,M (1981)/Rogatska Slatina 2010/CBM 135 Extra/1/2 (41)}
) 7. dxe5 Nxe5 8. Qe2 Bb4+ 9. c3 O-O 10. cxb4 Bg4 11. f3 ({RR} 11. Nf3 Nxc4 12.
O-O Rc8) 11... Re8 ({RR} 11... Nxc4 12. Qxc4 Rc8 13. Qf4) 12. Bb5 Bd7 ({RR} 
12... Nd3+ 13. Bxd3 Qxd3 14. fxg4 Rxe2+ ({RR} 14... Nd5) ({RR} 14... Rac8) 15.
Nxe2 Re8 16. Nbc3 Nxg4) 13. Be3 Nd5) 6... e5 7. d3 $146 ({RR} 7. Nbc3 Bc5 8.
O-O O-O 9. d3 a6 10. Ne4 Nxe4 11. dxe4 Bg4 12. c3 Qxd1 13. Rxd1 Rfd8 14. Re1
Ne7 15. h3 Bxe2 16. Rxe2 Rd1+ 17. Kh2 Rf1 18. b4 Bxf2 19. Bb2 Bg1+ 20. Kg3 Rxa1
21. Bxa1 Bb6 {Hlousek,Z-Borik,O/Vrbno pod Pradedem 1965/EXT 2006/1/2}) 7... Bc5
8. O-O h6 9. Nbc3 Bg4 10. Kh1 a6 11. Bb3 b5 12. f3 Bh5 13. Bd2 O-O 14. Be1 Rb8
15. Bh4 g5 16. Bf2 Bxf2 17. Rxf2 a5 18. a3 Qb6 19. Rf1 Rfd8 20. Qe1 a4 21. Ba2
Rbc8 22. Ng3 Bg6 23. Nge4 Nxe4 24. fxe4 Nd4 25. Qd2 Kg7 26. Rac1 Qa5 27. Qf2 f5
28. exf5 Bxf5 29. g4 Qa8+ 30. Kg1 Rf8 31. gxf5 Rxf5 32. Qxf5 Nxf5 33. Rxf5 Rf8
34. Rcf1 Qa7+ 35. Kg2 Rxf5 36. Rxf5 Qe3 37. Nxb5 Qd2+ 38. Rf2 Qc1 39. b4 Qa1
40. c4 Qd1 41. Nc3 Qxd3 42. Nb1 Qe4+ 43. Kg1 h5 44. c5 g4 45. b5 Qe1+ 46. Rf1
Qe3+ 47. Kg2 Qxc5 48. Rf5 Kg6 49. Rf2 Qxb5 50. Nc3 Qc6+ 51. Nd5 Qc1 52. Ne7+
Kg7 53. Rf7+ Kh6 54. Rf6+ Kg7 55. Rf7+ 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "4.4"]
[White "Gelemerov, Yane"]
[Black "Ignatov, Bojidar"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "1976"]
[BlackElo "1770"]
[PlyCount "155"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Bc4 Bc5 3. Nc3 Nc6 4. d3 d6 5. Na4 Na5 ({RR} 5... Bb6 6. c3 Na5 7.
Bb5+ Bd7 8. Bxd7+ Qxd7 9. Nxb6 axb6 10. f4 d5 11. fxe5 dxe4 12. d4 Ne7 13. Ne2
f5 14. exf6 gxf6 15. Ng3 O-O 16. Nxe4 Qe6 17. O-O Nb3 18. Nxf6+ Rxf6 19. Rxf6
Qxf6 20. Qxb3+ {Ponomariov,R (2709)-Aboudi,M (2209)/Baku 2016/EXT 2017/1-0}) 6.
Nxc5 ({RR} 6. Bb3 Nxb3 7. axb3 Ne7 8. Nf3 Ng6 9. h3 a6 10. Nxc5 dxc5 11. Be3
Qe7 12. O-O O-O 13. Nd2 Be6 14. Kh2 b6 15. Nc4 a5 16. Qd2 Qd7 17. f4 exf4 18.
Bxf4 Nxf4 19. Rxf4 a4 20. Raf1 axb3 {
Hou,Y (2673)-Fedorchuk,S (2673)/Bastia 2014/EXT 2015/1-0 (53)}) 6... dxc5 $146
({RR} 6... Nxc4 7. dxc4 dxc5 8. Qxd8+ Kxd8 9. Be3 b6 ({RR} 9... Be6 10. O-O-O+
Ke8 11. Bxc5 b6 12. Ba3 Nf6 13. f3 Bxc4 14. b3 Be6 15. Ne2 Rd8 16. c4 Rd7 17.
c5 Rxd1+ 18. Rxd1 Nd7 19. Nc3 Nxc5 20. Bxc5 bxc5 21. Kb2 c6 22. Rd6 Bd7 23. Na4
Ke7 24. Rd2 {Zaibi,A (2309)-Amdouni,Z (2291)/Mounastir 2014/EXT 2016/1/2 (55)})
10. O-O-O+ Ke7 ({RR} 10... Ke8 11. Ne2 Be6 12. Nc3 c6 13. b3 Nf6 14. f3 Rd8 15.
a4 a5 16. Bf2 Nh5 17. Be3 Rxd1+ 18. Rxd1 Ke7 19. Ne2 Rd8 20. Rg1 Nf6 21. g4 Nd7
22. Ng3 Rg8 23. h4 f6 24. Nf5+ Bxf5 25. exf5 {
Souleidis,G (2429)-Becker,M (2417)/Germany 2009/EXT 2011/1/2 (42)}) 11. Ne2 Be6
12. b3 Nf6 13. f3 Rhd8 14. Nc3 c6 15. a4 a5 16. Rd2 Rxd2 17. Kxd2 Nd7 18. Nd1
h5 19. Nf2 g6 20. Re1 f6 21. h4 {
Kovacs,G-Nemeth,Z (2380)/Hungary 1995/EXT 1997/1-0 (68)}) 7. Bb3 Nxb3 8. axb3
Ne7 9. Qh5 Ng6 10. Nf3 Qe7 11. O-O h6 12. g3 Qe6 13. Be3 b6 14. Nd2 Qg4 15.
Qxg4 Bxg4 16. f4 exf4 17. gxf4 Bd7 18. Nc4 f5 19. Bd2 O-O 20. Rae1 Rae8 21. e5
Rf7 22. Kf2 a5 23. Rg1 Nf8 24. h4 Ne6 25. c3 Kh7 26. Rg3 g6 27. Reg1 Rg7 28.
Be3 Bc6 29. Ke2 Rd8 30. Na3 Bd5 31. Nc4 Rdd7 32. Rd1 Kg8 33. Rf1 Rdf7 34. Rgg1
Rf8 35. Bd2 Kf7 36. Kd1 Ke7 37. Kc2 Bc6 38. Ne3 Kd8 39. Nd1 Kc8 40. Rg3 Rd8 41.
Rfg1 Rdg8 42. Nf2 g5 43. hxg5 hxg5 44. fxg5 f4 45. Rg4 Bf3 46. Rh4 Rxg5 47.
Rxg5 Rxg5 48. Bxf4 Rf5 49. Bh2 Be2 50. Nh3 Rf3 51. d4 cxd4 52. cxd4 Nxd4+ 53.
Rxd4 Rxh3 54. Bf4 Bg4 55. Bg5 Be6 56. b4 Bf5+ 57. Kd2 Rh2+ 58. Kc3 axb4+ 59.
Rxb4 Re2 60. Bf6 Re3+ 61. Kd2 Re4 62. Rb3 Rd4+ 63. Ke3 Re4+ 64. Kf3 Re1 65. Kf4
Be6 66. Rd3 Rf1+ 67. Kg5 Rf2 68. b4 Rf5+ 69. Kh6 Rf4 70. b5 Rb4 71. Rd8+ Kb7
72. Re8 Bd7 73. Re7 Bxb5 74. e6 Re4 75. Kg6 Bc4 76. Kf5 Rxe6 77. Rxe6 Bxe6+ 78.
Kxe6 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "4.5"]
[White "Ruschukov, Boyan"]
[Black "Mladenov, Andrey"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "1801"]
[BlackElo "1552"]
[PlyCount "69"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5
9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 Qb6 13. Bg2 O-O-O 14. O-O c5 15.
d5 b4 16. Na4 Qb5 17. a3 exd5 18. axb4 cxb4 19. b3 ({RR} 19. Re1 d4 ({RR} 19...
Bd6 20. Qd4 Kb8 21. h4 Rhe8 22. Re7 Bxe7 23. fxe7 Rc8 24. Bf4+) ({RR} 19... Nc5
20. Nxc5 ({RR} 20. Re7 Nb3 ({RR} 20... Bxe7 21. fxe7 Rdg8 22. Nxc5 Rxg5 23.
Nxb7 Kxb7 24. Qd4) 21. Qg4+ Rd7 22. Re8+ Kc7 23. Ra2 Rd6 24. Re1 Qd7) 20...
Bxc5 21. Re7 Bxe7 ({RR} 21... Rd7 22. Qg4 Bxe7 23. fxe7 d4 24. Ra5 Qb6 25. Bh3
Bc6 26. Rd5) 22. fxe7 Rdg8 23. h4 Rxg5 24. hxg5 Re8 25. Qg4+ Qd7 26. Qxd7+ Kxd7
27. Rxa7 Kc8 28. Rxb7 Kxb7 29. Bxd5+ Kc7 30. Bxf7 Rxe7 31. Bxc4 Re4 32. Bf7 Kd6
33. g6 Ke7 34. b3) ({RR} 19... Bh6 20. Bxh6 ({RR} 20. Bh4) 20... Rxh6 21. Qd4
Rxf6 22. Bh3 Rd6 23. Nc5 Qb6 24. Red1 Kc7 25. Bxd7 R8xd7 26. Nxd7 Qxd4 27. Rxd4
Kxd7) 20. Qxd4 ({RR} 20. Bxb7+ Kxb7 21. Qf3+ Qc6) 20... Bxg2 ({RR} 20... Qxg5
21. Qxc4+ Kb8 22. Bxb7 Kxb7 23. Rac1) 21. Kxg2 Qxg5 22. Qxc4+ Kb8 23. Rac1 ({RR
} 23. Rad1 Qa5 ({RR} 23... Qf5) 24. Rd5 ({RR} 24. b3 Qf5) 24... Qc7 25. Qd3 Qc6
) ({RR} 23. Red1 Qf5 ({RR} 23... Rc8 24. Qxf7 ({RR} 24. Qa6 Qf5 25. Nb6 Rxh2+
26. Kxh2 Qxf2+ 27. Kh3 Qf5+ 28. g4 Qf3+ 29. Kh4 Qf2+ 30. Kh3 Qe3+ 31. Kh4 Qh6+
32. Kg3 Bd6+) 24... Ne5 25. Qd5 Qxf6 26. Qb5+ Kc7 27. Rac1+ Nc6 28. Rc2 ({RR} 
28. Qa5+ Kb8 29. Qb5+) 28... b3 ({RR} 28... Rh6 29. Qa6 Kb8 30. Nb6 Rc7 31.
Nd7+ Rxd7 32. Rxd7) 29. Qxb3 Qf5 30. h4 Rh6 31. Nc3 Nb4 32. Nd5+ Kb8 33. Nxb4
Qe4+ 34. Kh3 Qxb4 35. Qxb4+ Bxb4 36. Rxc8+ Kxc8 37. g4) 24. Rd5 Rxh2+ 25. Kxh2
Qxf2+ 26. Kh3 ({RR} 26. Kh1 Qf3+ 27. Kh2 Bd6) 26... Bd6 27. Rb5+ Nb6) 23... Bd6
24. Qc6 Qd2 ({RR} 24... Nxf6 25. Nb6) ({RR} 24... Qxf6) 25. Kg1 ({RR} 25. Re2
Qxe2 26. Qxd6+ Ka8) 25... Rxh2 26. Re2 Qd3 ({RR} 26... Qxe2 27. Qxd6+ Ka8 28.
Qc6+ Kb8 29. Qc7+) 27. Re3 ({RR} 27. Kxh2 Bxg3+) 27... Qd2 ({RR} 27... Qd4 28.
Kxh2) 28. Re2 Qd3 29. Re3 Qd2 30. Re2 {
1/2 Topalov,V (2812)-Shirov,A (2745)/Sofia 2009/CBM 131/[Krasenkow,M]}) ({RR} 
19. Qg4) ({RR} 19. Qd4) ({RR} 19. Be3) ({RR} 19. Bf4) ({RR} 19. h4) 19... c3
20. Rc1 $146 ({RR} 20. h4 Kb8 21. Qg4 Nc5 22. Nxc5 Bxc5 23. h5 d4 24. h6 Bxg2
25. Kxg2 Qc6+ 26. Qf3 Kb7 27. Rfd1 d3 28. Bf4 d2 29. g4 Rd4 30. Qxc6+ Kxc6 31.
Be3 Rxg4+ 32. Kf3 Bxe3 33. Kxg4 Bxh6 34. Ra2 Re8 {
Dmitrenko,V (2344)-Baymuratova,S (2145)/Tashkent 2015/CBM 165 Extra/0-1 (34)})
20... Bh6 21. Qg4 Bxg5 22. Qxg5 Rdg8 23. Qe3 Kb8 24. Rfd1 Re8 25. Qd4 Rh5 26.
f4 Rhh8 27. Bxd5 Bxd5 28. Qxd5 Qxd5 29. Rxd5 Kc7 30. Nxc3 bxc3 31. Rxc3+ Kb6
32. Rxd7 Re2 33. h4 Rhe8 34. Re7 Rd8 35. Rxe2 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "4.6"]
[White "Markov, Daniel"]
[Black "Arshinkova, Boryana"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "1152"]
[BlackElo "1251"]
[PlyCount "166"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bd6 4. O-O Nf6 5. d3 ({RR} 5. d4 exd4 6. Bxc6 dxc6
7. e5 Be7 8. exf6 Bxf6 9. Nbd2 O-O 10. Ne4 h6 11. Nxf6+ Qxf6 12. Qxd4 Qg6 13.
Bf4 Bg4 14. Ne5 Qh5 15. Nxg4 Qxg4 16. Be5 Qg6 17. Qc3 Rfe8 18. Rfe1 Re7 19. Qg3
Qh7 {Hase,J (2301)-Martinez Burguera,A (2091)/Argentina 2006/EXT 2008/1-0 (40)}
) 5... Qe7 $146 ({RR} 5... a6 6. Ba4 b5 7. Bb3 O-O 8. Nc3 Bc5 9. Bg5 h6 10. Bh4
g5 11. Bg3 d6 12. a3 Bd4 13. Bd5 Bd7 14. Nxd4 exd4 15. Bxc6 Bxc6 16. Ne2 Bb7
17. Nxd4 c5 18. Nf5 Ne8 19. Nxh6+ Kg7 20. Nf5+ {
Kodet,J-Pesek,A/Prague 2016/CBM 174 Extra/1-0 (46)}) ({RR} 5... O-O 6. Nc3 Re8
7. Bg5 h6 8. Bh4 a6 9. Ba4 b5 10. Bb3 g5 11. Bg3 Bc5 12. Nxe5 Nxe5 13. d4 Bxd4
14. Qxd4 d6 15. Bxe5 dxe5 16. Qe3 Qd4 17. Qf3 Qd6 18. Rad1 Qc6 19. Nd5 Kg7 20.
h3 {Goorsahye,A (1741)-Ringayen,F (1320)/St Denis 2015/CBM 168 Extra/1-0 (70)})
({RR} 5... Ne7 6. Nc3 c6 7. Bc4 Bc7 8. d4 exd4 9. Nxd4 O-O 10. Bd3 d5 11. exd5
Nexd5 12. Nxd5 Nxd5 13. Qh5 g6 14. Qh6 Nf6 15. Nf3 Ng4 16. Qg5 Qd6 17. g3 f6
18. Bc4+ Kg7 19. Qh4 Re8 20. Bf4 {
Stephenson,H-Lean,R/Hastings Town Hall 1921/EXT 2017/[ChessBase]/1-0}) 6. Bg5
h6 7. Bh4 a6 8. Bc4 Bc5 9. Nc3 d6 10. Nd5 Qd8 11. c3 g5 12. Nxf6+ Qxf6 13. Bg3
Bg4 14. h3 Bxf3 15. Qxf3 Qxf3 16. gxf3 Rf8 17. h4 f5 18. hxg5 hxg5 19. exf5
Rxf5 20. Kg2 Rf6 21. Rh1 O-O-O 22. Rh5 Rg6 23. Rah1 Kb8 24. Kh3 d5 25. Bb3 d4
26. Bc4 dxc3 27. bxc3 b5 28. Rb1 Ka7 29. Rh7 Bb6 30. Bf7 Rf6 31. Rd1 Rd7 32.
Bg6 Rxh7+ 33. Bxh7 Rh6+ 34. Kg4 Rxh7 35. Kxg5 Rd7 36. Kf5 Rf7+ 37. Ke4 Kb7 38.
Rd2 Re7 39. a3 Bc5 40. Ra2 Bd6 41. a4 bxa4 42. Rxa4 Re8 43. Ra1 Ka7 44. Rb1 a5
45. Ra1 Rb8 46. f4 exf4 47. Bxf4 Bxf4 48. Kxf4 Rb3 49. Ke4 Rxc3 50. f4 Ka6 51.
f5 Nb4 52. f6 Rxd3 53. f7 Rd8 54. Ke5 Rf8 55. Rf1 Nc6+ 56. Kd5 Nd8 57. Rf6+ Kb7
58. Rf1 Rxf7 59. Rb1+ Ka6 60. Rh1 c6+ 61. Kc5 Ra7 62. Rh8 Ra8 63. Rh6 a4 64.
Kb4 Kb6 65. Ka3 Nf7 66. Rf6 Ne5 67. Rf4 Ng6 68. Rg4 Ne5 69. Re4 Nf7 70. Rf4 Nd6
71. Rxa4 Rxa4+ 72. Kxa4 c5 73. Kb3 c4+ 74. Kc3 Kc5 75. Kc2 Kb4 76. Kb2 c3+ 77.
Kc2 Kc4 78. Kc1 Kb3 79. Kb1 c2+ 80. Kc1 Nf5 81. Kd2 Kb2 82. Kd3 c1=Q 83. Ke4
Qd2 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "4.7"]
[White "Punchev, Ivan"]
[Black "Kononenko, Vladimir"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1708"]
[BlackElo "1329"]
[PlyCount "121"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. e3 e6 3. Bd3 c5 4. c3 Nf6 5. f4 Nc6 6. Nf3 b6 ({RR} 6... Qb6 7. O-O
Bd6 8. Kh1 Bd7 9. Ne5 Ne7 10. Nd2 Bb5 11. c4 dxc4 12. Ndxc4 Bxc4 13. Nxc4 Qc7
14. Qa4+ Nc6 15. Nxd6+ Qxd6 16. Bb5 {
1/2 Dede,E (2274)-Szakolczai,P (2168)/Hungary 2003/EXT 2005}) ({RR} 6... Qc7 7.
O-O Bd6 8. Nbd2 cxd4 9. cxd4 Nb4 10. Bb1 Bd7 11. a3 Qa5 12. Nb3 Qa4 13. axb4
Qxb4 14. Bd2 Qb5 15. Ne5 Bb4 16. Bd3 Qb6 17. Bxb4 Qxb4 18. Nxd7 Nxd7 19. f5 e5
20. dxe5 Nxe5 21. Be2 {
Punchev,I-Mitrev,K (2103)/Sofia 2008/CBM 127 Extra/1/2 (41)}) 7. O-O ({RR} 7.
Ne5 Bb7 8. Bb5 Qc7 9. Qa4 Rc8 10. Bxc6+ Bxc6 11. Nxc6 Qxc6 12. Qxc6+ Rxc6 13.
Nd2 cxd4 14. cxd4 Bb4 15. a3 Bxd2+ 16. Bxd2 O-O 17. Rc1 Rxc1+ 18. Bxc1 Rc8 19.
O-O Rc2 20. b4 Ne4 21. a4 Nc3 {
Aramayo,T-Rueda Nessi,F (1613)/Villaguay 2016/EXT 2017/1-0}) 7... Bd6 8. Ng5
$146 ({RR} 8. Ne5 Qc7 9. Nd2 O-O 10. Rf3 Bb7 11. Rh3 h6 12. g4 Ne4 13. Nxe4
dxe4 14. Bxe4 Nxe5 15. Bxb7 Qxb7 16. fxe5 Be7 17. Qf3 Qxf3 18. Rxf3 Rad8 19.
Bd2 f6 20. exf6 Bxf6 21. Raf1 Rfe8 22. Be1 e5 {
Schirrmeister,L (1166)-Wagner,S (1626)/Willingen 2015/CBM 166 Extra/1/2 (54)})
8... h6 9. Nf3 O-O 10. Nbd2 c4 11. Bc2 Ng4 12. Qe2 f5 13. Ne5 Ngxe5 14. fxe5
Bc7 15. h3 Nxe5 16. dxe5 Bxe5 17. Nf3 Bg3 18. Bd2 Bb7 19. Rad1 b5 20. Be1 Bc7
21. e4 Qf6 22. e5 Qf7 23. Nd4 Bb6 24. Kh1 Rac8 25. Bh4 a6 26. g4 Qd7 27. g5
hxg5 28. Bxg5 Bxd4 29. Rxd4 g6 30. h4 Rf7 31. h5 gxh5 32. Qxh5 Rh7 33. Bh6 Kh8
34. Qg6 Qf7 35. Qxf7 Rxf7 36. Rf2 Rg8 37. Rh2 Rh7 38. Bd1 Rg6 39. Be3 Rg3 40.
Rxh7+ Kxh7 41. Rh4+ Kg8 42. Bd4 Rd3 43. Bh5 Rd2 44. Rh2 Rxh2+ 45. Kxh2 Bc8 46.
Be8 Kg7 47. Kg3 Kh6 48. Kf4 Kg7 49. Kg5 Kf8 50. Bc6 Ke7 51. Bb6 Kf7 52. Kh6 f4
53. Kg5 f3 54. Kf4 Kg6 55. Be8+ Kg7 56. Bh5 Bd7 57. Kg5 Bc8 58. Bxf3 Kf7 59.
Bh5+ Ke7 60. Bc5+ Kd7 61. Bd6 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "5.2"]
[White "Mihalev, Daniil"]
[Black "Georgiev, Nikolay Zh."]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1760"]
[BlackElo "1574"]
[PlyCount "102"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. exd5 Qxd5 5. dxe5 Qxd1+ 6. Kxd1 Bg4 7. Bb5 ({RR
} 7. Be2 O-O-O+ 8. Nbd2 Bxf3 9. Bxf3 Nxe5 10. Ke2 Nf6 11. Ne4 Nxf3 12. Kxf3
Nxe4 13. Kxe4 Bc5 14. Kf3 Rd5 15. Be3 Bxe3 16. fxe3 Rd2 17. Rac1 Rhd8 18. g4
R8d6 19. Kg3 Re6 20. Rhe1 f6 21. Kf3 Rxh2 {
Ernst,S (2270)-Rogers,I (2570)/Hoogeveen 1997/CBM 060 Extra/0-1 (45)}) 7...
O-O-O+ 8. Nbd2 Nxe5 9. Be2 Nxf3 $146 ({RR} 9... Nh6 10. Nxe5 Bxe2+ 11. Kxe2 Re8
12. Rd1 Rxe5+ 13. Kf1 Rd5 14. Re1 Ng4 15. h3 Ne5 16. c4 Rxd2 17. Bxd2 Nxc4 18.
Bc3 b5 19. Re8+ Kd7 20. Rae1 b4 21. Bd4 b3 22. a3 Bc5 23. Rxh8 Bxd4 {
1-0 Vasquez,A (1799)-Ventura Ruiz,J (1942)/Santo Domingo 2015/CBM 166 Extra})
10. gxf3 Bf5 11. c3 g6 12. Ke1 Nf6 13. Nb3 Bd3 14. Bxd3 Rxd3 15. Nd4 c5 16. Ke2
c4 17. Be3 Bc5 18. a4 Re8 19. Rhd1 Rxd1 20. Kxd1 Nd5 21. Kd2 Nxe3 22. fxe3 Kc7
23. f4 Kb6 24. a5+ Ka6 25. Ra4 Bxd4 26. cxd4 Rc8 27. Rb4 b5 28. axb6 axb6 29.
Ra4+ Kb7 30. e4 b5 31. Ra1 f6 32. h4 Kb6 33. Kc3 Rg8 34. Rg1 h6 35. e5 fxe5 36.
dxe5 Kc5 37. f5 g5 38. hxg5 hxg5 39. f6 b4+ 40. Kc2 Kd5 41. f7 Rf8 42. Rxg5
Rxf7 43. e6+ Kxe6 44. Rc5 Rf2+ 45. Kc1 Rf4 46. Rb5 c3 47. bxc3 bxc3 48. Kc2 Rc4
49. Rb3 Kd5 50. Rxc3 Rxc3+ 51. Kxc3 Ke5 1/2-1/2

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "5.3"]
[White "Kostov, Nikolay"]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1668"]
[BlackElo "1986"]
[PlyCount "148"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. e3 Nf6 3. Bd3 c6 4. f4 Bg4 5. Nf3 Nbd7 6. O-O e6 7. Nbd2 c5 ({RR} 
7... Be7 8. Qe1 Bxf3 9. Nxf3 Ne4 10. Bxe4 dxe4 11. Ne5 f5 12. Nxd7 Qxd7 13. Bd2
O-O 14. Qe2 Rac8 15. c3 Rfd8 16. g4 Qe8 17. gxf5 exf5 18. Kh1 Rd6 19. Rg1 Rg6
20. c4 Qf7 21. Bc3 Rd8 22. c5 {
Nyathi,M (1366)-Oberholzer,M (1643)/Johannesburg 2016/CBM 173 Extra/1/2 (54)})
8. c3 Be7 9. Qe1 Bf5 $146 ({RR} 9... O-O 10. Ne5 ({RR} 10. e4 dxe4 11. Nxe4
Bxf3 12. Rxf3 cxd4 13. cxd4 Qb6 14. Kh1 Qxd4 15. Bd2 Nxe4 16. Bxe4 Nc5 17. Bb1
b6 18. b4 Na4 19. Bc2 Bf6 20. Rd1 b5 21. Bc3 Qxd1 22. Qxd1 Nxc3 23. Rxc3 Bxc3
24. Qd3 g6 {Ganslmayer,H (1675)-Hielscher,K (1518)/Binz 2012/EXT 2014/1-0 (53)}
) 10... Nxe5 11. fxe5 Nd7 12. Qg3 Bh5 13. e4 f6 14. exf6 Bxf6 15. e5 Be7 16.
Qh3 Rxf1+ 17. Nxf1 Qe8 18. Qxe6+ Bf7 19. Qh3 Bg6 20. Bxg6 hxg6 21. Qe6+ Kh8 22.
Qxd5 cxd4 23. cxd4 Nb6 24. Qxb7 {
Trippe,F (1637)-Haecker,K (1140)/Willingen 2004/EXT 2005/1-0 (36)}) 10. Bxf5
exf5 11. Ne5 Ne4 12. Nxe4 dxe4 13. Nxd7 Qxd7 14. b4 cxb4 15. cxb4 Qb5 16. Bd2
Rc8 17. a4 Qd3 18. Rf2 O-O 19. Qf1 Qxf1+ 20. Rfxf1 Rc2 21. Rfd1 Rfc8 22. b5 Kf8
23. Rac1 Ba3 24. Rxc2 Rxc2 25. Kf1 Ke7 26. Ke1 Ke6 27. Ra1 Bd6 28. Kd1 Rc4 29.
a5 Kd5 30. a6 b6 31. Rb1 g5 32. g3 gxf4 33. gxf4 Rc8 34. Be1 Rg8 35. Rc1 Rg1
36. h4 h5 37. Kc2 Ba3 38. Rb1 Kc4 39. Kd1 Be7 40. Ke2 Rg2+ 41. Kd1 Ba3 42. Ra1
Kb3 43. d5 Bb2 44. Rb1 Ka2 45. Rxb2+ Kxb2 46. Bb4 Kb3 47. Be7 Kc4 48. d6 Kxb5
49. d7 Rg8 50. d8=Q Rxd8+ 51. Bxd8 Kxa6 52. Kc2 Kb5 53. Kb3 a5 54. Kc3 Kc6 55.
Bf6 Kd5 56. Bd8 Kc5 57. Kb3 Kb5 58. Kc3 a4 59. Be7 Ka5 60. Bb4+ Kb5 61. Bd6 Kc6
62. Bf8 Kd5 63. Kb4 a3 64. Bg7 a2 65. Kb3 b5 66. Kxa2 Kc4 67. Kb2 Kd3 68. Bd4
Ke2 69. Kb3 Kf3 70. Kb4 Kg4 71. Kc3 Kxh4 72. Kb4 Kg3 73. Kxb5 h4 74. Bc3 h3 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "5.4"]
[White "Arshinkova, Boryana"]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1251"]
[BlackElo "1976"]
[PlyCount "66"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. Be3 ({RR} 6. Bb5 Nf6 7.
O-O O-O 8. Bxc6 bxc6 9. Nxe5 d6 10. Nxc6 Qxe4 11. Nb4 c5 12. Nc2 Qg6 13. Ne3
Re8 14. Na3 cxd4 15. cxd4 d5 16. Nb5 Ba6 17. a4 Re4 18. Qf3 Bxb5 19. axb5 Rae8
20. Nf5 R4e6 {Sax,G (2510)-Olafsson,F (2535)/Teeside 1975/EXT 1999/1/2}) ({RR} 
6. Ng5 Nh6 7. Qh5 exd4 8. Nxf7 Nxf7 9. Qxf7+ Qxf7 10. Bxf7+ Kxf7 11. cxd4 Nxd4
12. Na3 Bc5 13. O-O Bxa3 14. bxa3 Ne2+ 15. Kh1 Nxc1 16. Rfxc1 c6 17. f4 Rd8 18.
Rc3 d5 19. Rd1 Bg4 20. Rd2 dxe4 {
Md Shafiqul,I (1878)-Ahmed,M (2083)/Dhaka 2016/EXT 2017/0-1}) 6... d6 7. Nbd2
Nf6 8. Qa4 $146 ({RR} 8. O-O O-O ({RR} 8... Bg4 9. h3 Bh5 10. Be2 O-O 11. d5
Bxe3 12. fxe3 Nd8 13. Nh2 c6 14. Bxh5 Nxh5 15. Qxh5 Rc8 16. dxc6 bxc6 17. Qe2
Ne6 18. Rf3 Rc7 19. Raf1 Rb7 20. Nc4 Rc7 21. R1f2 Rd7 22. Qf1 Ng5 23. Rg3 {
Bauer,J (1100)-Mikalauskaite,V/Malenovice 2013/CBM 156 Extra/0-1 (46)}) 9. Qe2
h6 10. Rfe1 Bg4 11. h3 Bh5 12. Qd3 Bg6 13. Bd5 Nxd5 14. c4 Nxe3 15. Qxe3 exd4
16. Qd3 Nb4 17. Qb3 Nc6 18. Rad1 Ba5 19. Qxb7 Bxd2 20. Rxd2 Ne5 21. Nxe5 dxe5
22. Qd5 Rfd8 {
Gollner,B (1190)-Olinici,E (1399)/Calimanesti 2013/CBM 153 Extra/0-1 (44)}) ({
RR} 8. Qc2 O-O 9. O-O-O Bd7 10. dxe5 Bxe3 11. exf6 Bxd2+ 12. Qxd2 Qxf6 13. Qe3
Bg4 14. h3 Bxf3 15. gxf3 Ne5 16. Bd5 c6 17. f4 Nd7 18. Bb3 Nc5 19. e5 Nxb3+ 20.
axb3 dxe5 21. fxe5 Qe6 22. c4 Rfd8 {
Pataki,B-Hagymasi,J (2056)/Ajka 2005/EXT 2008/0-1 (46)}) 8... O-O 9. Qc2 Bg4
10. h3 Bxf3 11. Nxf3 exd4 12. cxd4 Nxe4 13. O-O Rad8 14. Rfe1 d5 15. Bd3 Nb4
16. Qb3 Nxd3 17. Qxd3 f6 18. Rac1 Qf7 19. Bf4 Rfe8 20. Qc2 c6 21. Qb3 Rd7 22.
Qb4 h6 23. Nd2 Nxd2 24. Qxd2 Rde7 25. Bd6 Rxe1+ 26. Rxe1 Rxe1+ 27. Qxe1 Bxd4
28. Qd2 Bb6 29. Qc2 Qe6 30. Bb4 Qe4 31. Qd2 Bd4 32. Bd6 Be5 33. Bc5 Qb1+ 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "5.5"]
[White "Ignatov, Bojidar"]
[Black "Ruschukov, Boyan"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "1770"]
[BlackElo "1801"]
[PlyCount "83"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Ne1 Ne8 10. f3 f5 11. Nd3 Nf6 12. Nf2 ({RR} 12. c5 c6 13. Qb3 Kh8 14.
Be3 fxe4 15. fxe4 cxd5 16. cxd6 Nc6 17. exd5 Nd4 18. Bxd4 exd4 19. Nb5 Bg4 20.
Bf3 Bh6 21. Nc7 Be3+ 22. Kh1 Rb8 23. Qa3 Qd7 24. Ne5 Qf5 25. Nc4 Bh6 26. Ne6 b5
{Skembris,S (2435)-Gufeld,E (2470)/Athens 1985/EXT 2010/1-0 (34)}) ({RR} 12.
Be3 Kh8 13. c5 Neg8 14. Rc1 Bh6 15. Qd2 Bxe3+ 16. Qxe3 Bd7 17. a4 f4 18. Qf2 g5
19. cxd6 cxd6 20. Nb5 Bxb5 21. axb5 Ne7 22. Rc2 Rc8 23. Rfc1 Rxc2 24. Rxc2 Nc8
25. b3 Nd7 26. Nb2 Nc5 {
Takac,Z (2010)-Bubalovic,D (2224)/Mali Losinj 2016/CBM 172 Extra/0-1 (41)})
12... c5 $146 ({RR} 12... f4 13. g4 ({RR} 13. b4 g5 14. c5 Kh8 15. Bd2 Rg8 16.
Rc1 h5 17. cxd6 cxd6 18. Nb5 Ne8 19. Be1 Bf8 20. h3 Rg7 21. Bc3 Ng8 22. Na3 Qf6
23. Nc4 Kh7 24. Nd3 Nh6 25. Ncxe5 dxe5 26. Bxe5 Qb6+ 27. Kh2 Rg8 {
Causevic,I (1957)-Muscolino,A (2122)/Merano 2008/EXT 2015/1-0 (44)}) 13... g5
14. Bd2 Ng6 15. Nd3 Bd7 16. Be1 a5 17. c5 h5 18. h3 Nh4 19. Bxh4 gxh4 20. cxd6
cxd6 21. Kg2 Ne8 22. Qb3 b6 23. Rac1 Qg5 24. Qxb6 hxg4 25. hxg4 Qh6 26. Rh1 Kh8
27. b4 {Costa,A (1707)-Weaver,L (1489)/Juiz de Fora 2014/EXT 2016/1-0 (48)})
13. Qc2 a6 14. a3 b5 15. cxb5 axb5 16. Bxb5 Ba6 17. Bxa6 Rxa6 18. Bd2 Qb8 19.
Rfb1 Rc8 20. b4 cxb4 21. Rxb4 Qa8 22. Qb2 Nd7 23. Nb5 f4 24. Nd3 Kf7 25. Rc1
Rxc1+ 26. Qxc1 Qb8 27. Be1 Bf8 28. Bf2 g5 29. Nc7 Qc8 30. Nxa6 Qxa6 31. Qc3 h6
32. g3 Bg7 33. Rc4 Qb5 34. Qb4 Qa6 35. a4 Bf6 36. Qb5 Qxb5 37. axb5 Ke8 38. Rc6
Nxc6 39. dxc6 Kd8 40. cxd7 Kxd7 41. Nb4 Bd8 42. Nd5 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "5.6"]
[White "Mladenov, Andrey"]
[Black "Punchev, Ivan"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1552"]
[BlackElo "1708"]
[PlyCount "101"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 f5 3. Nc3 d6 4. d4 Nc6 ({RR} 4... exd4 5. Qxd4 fxe4 ({RR} 5...
Qf6 6. Nd5 Qd8 7. Bg5 Qd7 8. exf5 c6 9. Ne3 Ne7 10. Bd3 Na6 11. f6 Ng6 12.
O-O-O Qf7 13. Rhe1 Be6 14. Nf5 Nc7 15. fxg7 {
1-0 Dejeanne,F (2249)-Tasoko,T (1749)/Florianopolis 2016/CBM 170 Extra}) 6. Bg5
Nf6 7. Nxe4 Be7 8. O-O-O O-O 9. Nxf6+ Bxf6 10. Bc4+ Kh8 11. Bxf6 Qxf6 12. Qxf6
gxf6 13. Nd4 Bd7 14. Rhe1 Nc6 15. Nxc6 Bxc6 16. Re7 Bxg2 17. Rg1 d5 18. Bd3 Be4
19. Bxe4 {Tseshkovsky,V (2595)-Inkiov,V (2495)/Minsk 1982/MCL/1-0}) 5. Bb5 Bd7
$146 ({RR} 5... Nge7 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Ng5 Nd4 9. Nf7# {
1-0 Simov,S-Aleksandrov,A/Pernik 2003/EXT 2005}) ({RR} 5... fxe4 6. Nxe4 d5 7.
Bg5 Be7 8. Bxc6+ bxc6 9. Bxe7 Qxe7 10. Ng3 exd4+ 11. Qe2 c5 12. Kd2 Qxe2+ 13.
Nxe2 Nf6 14. Ng3 O-O 15. Rae1 Bb7 16. Rhf1 Ne4+ 17. Nxe4 dxe4 18. Ng1 Rab8 19.
b3 Rbe8 20. c3 {Lieberman,D-Wood,W/USA 1994/EXT 2002/0-1}) 6. Bxc6 Bxc6 7. exf5
e4 8. Qe2 Nf6 9. Ng5 Qe7 10. d5 Nxd5 11. Qh5+ g6 12. fxg6 Nf6 13. g7+ Nxh5 14.
gxh8=Q O-O-O 15. Qd4 Kb8 16. Be3 b6 17. Nd5 Qd7 18. a4 Re8 19. O-O Bg7 20. Qd1
Nf6 21. Nxf6 Bxf6 22. c3 Rg8 23. Qh5 Qf5 24. g4 Rxg5 25. Bxg5 Qf3 26. Be3 h6
27. a5 Bg5 28. Rfe1 Bf4 29. axb6 cxb6 30. h3 Bg5 31. Rad1 Bxe3 32. Rxe3 Qxd1+
33. Kg2 a5 34. Qxh6 a4 35. Qh8+ Kc7 36. Qg7+ Bd7 37. Qd4 Qc2 38. Qb4 Be6 39.
Qxe4 Qxe4+ 40. Rxe4 Bd5 41. f3 b5 42. Rb4 Kc6 43. h4 Kc5 44. h5 Bf7 45. h6 Bg6
46. Kg3 d5 47. Kf4 Bd3 48. Rd4 Bh7 49. Kg5 Kd6 50. Kf6 Bc2 51. Kg7 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "5.8"]
[White "Simeonov, Daniel"]
[Black "Kononenko, Vladimir"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1329"]
[PlyCount "65"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. e3 e6 3. a3 ({RR} 3. f4 b6 4. Nf3 Bd6 5. Bd3 Ba6 6. Bxa6 Nxa6 7.
O-O Nf6 8. Nbd2 c5 9. c3 Nc7 10. Ne5 O-O 11. Qf3 Nfe8 12. Qh3 f6 13. Nd3 c4 14.
Nf2 f5 15. g4 Qd7 16. Kh1 Nf6 17. Rg1 b5 {
Sitanggang,S (2407)-Sadorra,J (2255)/Singapore 2003/CBM 097 Extra/0-1 (46)})
3... c5 4. c3 ({RR} 4. dxc5 Bxc5 5. b4 Be7 6. Bb2 Nf6 7. h3 O-O 8. Nd2 a6 9.
Rc1 b5 10. c3 Nbd7 11. Ngf3 Qc7 12. Be2 Bb7 13. O-O Nb6 14. Qb3 Rad8 15. Rfd1
Rd7 16. Qc2 Rfd8 17. Nb3 Nc4 18. Bxc4 dxc4 {
Jelisavac,R-Stupar,N/Prijedor 2014/CBM 164 Extra/0-1}) 4... Nf6 $146 ({RR} 4...
c4 5. b4 Nf6 6. Nd2 Bd6 7. f4 O-O 8. g4 Bd7 9. g5 Ne8 10. Ngf3 f6 11. h4 a5 12.
Bb2 Nc6 13. Rg1 f5 14. Ne5 Nxe5 15. dxe5 Be7 16. Nf3 Nc7 17. Nd4 Nb5 18. h5
Nxd4 19. exd4 {
Dinzik,J (1566)-Blizman,M (1576)/Bratislava 2013/EXT 2015/0-1 (41)}) ({RR} 4...
Nc6 5. Nf3 cxd4 ({RR} 5... Nf6 6. dxc5 Bxc5 7. b4 Bd6 8. Bd3 O-O 9. Bb2 a6 10.
Nbd2 Bd7 11. O-O Rc8 12. Rc1 e5 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Bb8 16. Qc2
g6 17. c4 Qc7 18. g3 f6 19. Bd5+ Kg7 20. Qd2 {
Fischer,M (1648)-Schieber,F (1859)/Lauf 2004/EXT 2006/0-1 (34)}) 6. cxd4 Nge7
7. Bb5 g6 8. Bd2 Bg7 9. Bb4 Bd7 10. Nc3 a5 11. Bd6 O-O 12. Qa4 Re8 13. Rd1 Nf5
14. Bf4 h6 15. h3 g5 16. Bh2 Qe7 17. Qb3 Rec8 18. Na4 Na7 19. Bxd7 {
Vigna,R (1570)-Cesari,C (1455)/Bastia 2008/CBM 127 Extra/1-0}) 5. Bd3 c4 6. Bc2
Bd6 7. f4 Nc6 8. Nf3 O-O 9. O-O b6 10. Nbd2 Bb7 11. Ne5 Nd7 12. Ndf3 f5 13. b3
Ndxe5 14. fxe5 Bc7 15. bxc4 dxc4 16. a4 Ne7 17. Ba3 Re8 18. Qe2 Ba6 19. Ng5 Nd5
20. Qh5 h6 21. Qf7+ Kh8 22. Nxe6 Re7 23. Bxe7 Qxe7 24. Qxe7 Nxe7 25. Nxc7 Rc8
26. Nxa6 Nd5 27. Bxf5 Rf8 28. e4 Nxc3 29. Bg6 Ne2+ 30. Kh1 c3 31. e6 c2 32. e7
c1=Q 33. exf8=Q# 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "6.1"]
[White "Mihalev, Daniil"]
[Black "Babatov, Martin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1760"]
[BlackElo "1709"]
[PlyCount "92"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. c3 c6 5. Qb3 Qb6 6. Nbd2 Nbd7 ({RR} 6... h6
7. c4 Nbd7 8. e3 e6 9. c5 Qxb3 10. axb3 a6 11. b4 Rc8 12. Nb3 g5 13. Bg3 Ne4
14. Na5 g4 15. Nh4 Nxg3 16. hxg3 Rc7 17. Nxf5 exf5 18. Bd3 b6 19. Nb3 a5 20.
Bxf5 axb4 21. Ra8+ {
Buran,J (2211)-Olsarova,K (2224)/Czechia 2015/EXT 2016/1/2 (60)}) 7. a4 ({RR} 
7. h3 h6 8. g4 Bh7 9. Bg2 Ne4 10. h4 e6 11. Ne5 Nxe5 12. Bxe5 Nxd2 13. Kxd2 f6
14. Bg3 Be7 15. Rae1 Kd7 16. e4 Qxb3 17. axb3 a6 18. Re2 Rae8 19. Rhe1 g5 20.
exd5 exd5 21. Rh1 Bg6 {
Sygulski,A (2400)-Adamski,J (2420)/Wroslaw 1987/EXT 1997/1/2 (41)}) 7... Qxb3
$146 ({RR} 7... Nh5 8. Be3 a5 9. Ne5 Qxb3 10. Nxb3 Bc2 11. Nxd7 Bxb3 12. Nc5
Bc2 13. Nxb7 e6 14. Bc1 Nf6 15. f3 Ra7 16. Nc5 Bxc5 17. dxc5 Nd7 18. b4 axb4
19. cxb4 Rxa4 20. Rxa4 Bxa4 21. e3 O-O 22. Bd3 {
Popitz,A (2164)-Gikas,A (2254)/Curacao 2002/CBM 091 Extra/0-1 (61)}) 8. Nxb3
Nh5 9. Bd2 b6 10. h3 Bc2 11. Nc1 a5 12. g4 Nhf6 13. Nd3 e6 14. Bf4 Be7 15. Kd2
Bxd3 16. exd3 Ra7 17. Ne5 Nxe5 18. dxe5 Nd7 19. d4 Nf8 20. Bg3 Ng6 21. f4 Bh4
22. Bxh4 Nxh4 23. b4 axb4 24. cxb4 Kd7 25. Kc3 Rha8 26. a5 bxa5 27. b5 cxb5 28.
Bxb5+ Ke7 29. Rhf1 Rc8+ 30. Kd2 Rb8 31. Bd3 g6 32. f5 gxf5 33. gxf5 Nxf5 34.
Bxf5 exf5 35. Rxf5 Rg8 36. Raf1 Ke8 37. Rh5 Rg7 38. Rh6 a4 39. Rd6 Rg2+ 40. Kc3
Rg3+ 41. Kb4 Rxh3 42. Rxd5 a3 43. Rb5 a2 44. Ra1 Rh2 45. Kc5 Rc2+ 46. Kd6 Rd7#
0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "6.2"]
[White "Andreev, Dobrotich"]
[Black "Ignatov, Bojidar"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1986"]
[BlackElo "1770"]
[PlyCount "82"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. g4 Bg6 7. Bb5+ Nc6 8.
Ne5 Rc8 9. d4 e6 10. h4 f6 11. Nxc6 ({RR} 11. Bxc6+ bxc6 12. Nxg6 hxg6 13. Ne2
Bd6 14. Be3 Qb6 15. Qd3 Qxb2 16. Qxg6+ Kf8 17. O-O Ne7 18. Qd3 Rxh4 19. f3 Qb8
20. Rab1 Qc7 21. Qa6 Rb8 22. Rxb8+ Qxb8 23. c4 Kf7 24. cxd5 exd5 25. Qd3 Qh8 {
Kasimdzhanov,R (2652)-Seirawan,Y (2621)/Dordrecht 2004/EXT 2006/0-1 (34)}) ({RR
} 11. h5 Bxc2 12. Qxc2 fxe5 13. dxe5 d4 14. Qb3 dxc3 15. Qxe6+ Be7 16. bxc3 Qd7
17. Qxd7+ Kxd7 18. Bf4 Rf8 19. Bg3 Bg5 20. Rd1+ Kc8 21. Bxc6 bxc6 22. Rd4 Rf3
23. Ke2 Rxc3 24. Rb1 Bd8 25. e6 Bb6 {
Okus,M (2045)-Tofan,I (2204)/Konya 2016/CBM 173 Extra/0-1 (45)}) 11... bxc6 12.
Ba6 Rc7 $146 ({RR} 12... Rb8 13. Qe2 Bf7 14. a3 Bd6 15. b4 Ne7 16. h5 e5 17.
Be3 Qc7 18. Na4 exd4 19. Bxd4 Be5 20. O-O-O Bf4+ 21. Kb2 O-O 22. Nc5 Be5 23.
Rhe1 Bxd4+ 24. Rxd4 Rfe8 25. Qf3 Qd6 26. Ka1 Nc8 27. Rxe8+ {
Middelhoff,C (2070)-Bielmeier,L (2025)/Bayern 1995/EXT 1999/[Bulletin]/1-0 (90)
}) 13. h5 Bf7 14. f4 Bd6 15. Qf3 Ne7 16. Bd2 O-O 17. Ne2 c5 18. Ba5 Qb8 19. Qb3
Rd7 20. Qxb8 Rxb8 21. dxc5 Bxc5 22. O-O-O Nc6 23. Bc3 Nb4 24. Bxb4 Rxb4 25. a3
Rb6 26. Bd3 Rdb7 27. b4 Bd6 28. c3 e5 29. g5 fxg5 30. fxg5 a5 31. g6 hxg6 32.
hxg6 Be6 33. Rh7 e4 34. Rdh1 Kf8 35. Nd4 Be5 36. bxa5 Bxd4 37. axb6 Be3+ 38.
Kd1 exd3 39. Rf1+ Ke8 40. Rh8+ Kd7 41. Rf7+ Kc6 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "6.4"]
[White "Georgiev, Nikolay Zh."]
[Black "Mladenov, Andrey"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1574"]
[BlackElo "1552"]
[PlyCount "51"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 d6 4. a3 Nf6 5. d3 g6 6. Nge2 Bg7 7. O-O O-O $146 ({
RR} 7... a6 8. Bg5 b5 9. Bb3 O-O 10. Rb1 Rb8 11. Qd2 a5 12. f4 b4 13. Nd5 Nxd5
14. Bxd5 Nd4 15. Nxd4 Bxd4+ 16. Kh1 Be6 17. Bxe6 fxe6 18. a4 Qd7 19. b3 Rf7 20.
Qe2 Rbf8 21. Qg4 d5 22. Bh6 {
Mizik,Z (2092)-Heidrich,M (1929)/Hungary 2010/EXT 2012/0-1 (41)}) 8. Ng3 a6 9.
Bg5 e6 10. Qd2 b5 11. Ba2 Nd4 12. Rac1 Qc7 13. Bh6 Bxh6 14. Qxh6 b4 15. axb4
cxb4 16. Nce2 Nxe2+ 17. Nxe2 Bb7 18. f4 Ng4 19. Qh4 Ne3 20. Rf3 Nxc2 21. Bb3
Qb6+ 22. Kh1 Na3 23. Rh3 h5 24. f5 Rfc8 25. Rxc8+ Rxc8 26. fxg6 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "6.5"]
[White "Ruschukov, Boyan"]
[Black "Kostov, Nikolay"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1801"]
[BlackElo "1668"]
[PlyCount "91"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. Bg5 h6 6. Bxf6 Bxc3+ 7. bxc3 Qxf6 8.
e3 O-O 9. Bd3 ({RR} 9. Be2 dxc4 10. Bxc4 Nc6 11. O-O e5 12. Bd5 exd4 13. cxd4
Rd8 14. Be4 Bf5 15. Bxf5 Qxf5 16. Rc1 Rd5 17. Qb3 Rb5 18. Qc3 Rd8 19. Rfe1 Qe4
20. Nd2 Qd5 21. Nb3 Nb4 22. e4 Qc6 23. Qf3 Qd7 {
Wang,Y (2736)-Aveskulov,V (2544)/Beijing 2008/CBM 126 Extra/1-0 (32)}) 9... Nd7
10. O-O dxc4 ({RR} 10... c6 11. e4 dxe4 12. Bxe4 Re8 13. Re1 Nf8 14. Qd3 Rd8
15. Rab1 Qf4 16. Ne5 Nd7 17. Nxd7 Rxd7 18. g3 Qc7 19. f4 Rd8 20. Qf3 Bd7 21. g4
Rf8 22. g5 f5 23. Bd3 hxg5 24. fxg5 g6 25. c5 {
Liao,R (1837)-Wan,Q (1637)/Wuxi 2016/CBM 173 Extra/0-1 (59)}) 11. Bxc4 b6 $146
({RR} 11... e5 12. Qd3 Re8 13. e4 b6 14. Rfe1 Bb7 15. Rad1 Rad8 16. Qc2 c5 17.
d5 Nf8 18. Nd2 Ng6 19. Bf1 Ne7 20. a4 Nc8 21. a5 bxa5 22. Ra1 Ba6 23. Rxa5 Bxf1
24. Rxf1 Rd7 25. Rxc5 Nd6 26. Rb1 {
Cossin,S (2010)-Licayan,A (2130)/Clichy 1999/EXT 2000/0-1 (56)}) 12. e4 Bb7 13.
Re1 e5 14. Re3 Rad8 15. Qe2 Rfe8 16. Rd1 c5 17. Bb5 exd4 18. cxd4 Bc6 19. Bxc6
Qxc6 20. d5 Qa4 21. e5 Nf8 22. Re4 Qd7 23. a4 Ne6 24. d6 Qb7 25. Re3 Rd7 26.
Qc4 Rc8 27. h3 Re8 28. Nh4 g6 29. f4 Kh7 30. f5 Nd4 31. fxg6+ fxg6 32. Rxd4
cxd4 33. Qxd4 Qb8 34. Qd3 Re6 35. Nf3 Qe8 36. Kf2 Qf7 37. Ke2 Qe8 38. Qb5 Rd8
39. Nd4 Qxb5+ 40. axb5 Ree8 41. Nc6 Rd7 42. Kd3 Kg7 43. Kd4 Re6 44. Ra3 a5 45.
Kd5 Kf7 46. Rf3+ 1-0

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "6.6"]
[White "Ivanov, Oleg M"]
[Black "Punchev, Ivan"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1628"]
[BlackElo "1708"]
[PlyCount "88"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5 4. d4 Bd7 $146 ({RR} 4... e6 5. e4 ({RR} 5.
Bd2 c6 6. Nf3 Nf6 7. g3 Be7 8. Ne4 Qd8 9. Nxf6+ Bxf6 10. Bc3 O-O 11. Bg2 Nd7
12. O-O Re8 13. Qc2 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Be4 h6 17. f4 Qb6+ 18.
Kh1 Bd4 19. Rad1 Bxc3 {
Schmuck,J (1402)-Loyal,M (1616)/Leipzig 2016/EXT 2017/0-1 (37)}) 5... Nf6 6.
Bd3 Bb4 ({RR} 6... Nc6 7. Nge2 Be7 8. O-O O-O 9. Bd2 Qh5 10. e5 Nd5 11. Be4 Rd8
12. Bf3 Qg6 13. Nxd5 exd5 14. Nf4 Qf5 15. Nxd5 Qd7 16. Nxe7+ Qxe7 17. Bxc6 bxc6
18. Qa4 c5 19. Be3 cxd4 20. Bxd4 Bb7 21. Bc3 {
Alapin,S-Mieses,J/Munich 1909/EXT 2008/1-0 (40)}) 7. Bd2 c6 8. Nf3 Nbd7 9. O-O
e5 10. a3 Bd6 11. Nb5 Qd8 12. Nxd6+ Kf8 13. Nxe5 Nxe5 14. dxe5 Ne8 15. Bc4 Nxd6
16. Bb4 Kg8 17. Bxd6 h5 18. Qb3 {1-0 Lee,H-Reed,W/Cable USA 1904/EXT 2002}) ({
RR} 4... e5 5. e3 exd4 6. exd4 Bb4 7. Bd2 c6 8. Bc4 Ne7 9. Nf3 O-O 10. O-O Bg4
11. h3 Bxf3 12. Qxf3 Qf5 13. Qe2 Ng6 14. Rfe1 Nd7 15. a3 Bxc3 16. bxc3 Nf6 17.
Bd3 Qd5 18. Bc4 Qf5 19. Qd3 {
Rakhmanov,A (2654)-Syvalahti,T (2121)/Finland 2016/EXT 2017/1-0}) 5. Nf3 Nc6 6.
a3 O-O-O 7. e3 Bg4 8. Bd2 Kb8 9. Nb5 Qb6 10. a4 a5 11. Be2 e6 12. h3 Bh5 13.
O-O Nf6 14. Nc3 Bb4 15. Qe1 h6 16. Rd1 g5 17. Na2 Ne4 18. Nxb4 axb4 19. Ra1 Qa5
20. Bb5 Bxf3 21. gxf3 Nxd2 22. Qxd2 Ne5 23. Kg2 c6 24. Be2 h5 25. Rfc1 c5 26.
Rxc5 Qxc5 27. Rc1 Qd6 28. Rc5 g4 29. Rxe5 Qxe5 30. Qxb4 gxh3+ 31. Kxh3 Qc7 32.
a5 Rd6 33. f4 b6 34. a6 Ka7 35. Bf3 Rg8 36. Qe1 Qc4 37. Be2 Qd5 38. f3 Qf5+ 39.
Kh2 e5 40. Qc3 Qd7 41. fxe5 Rdg6 42. Bf1 Qd8 43. Qe1 Qg5 44. d5 Qg1+ 0-1

[Event "185th open MGU"]
[Site "Sofia"]
[Date "2017.04.09"]
[Round "6.7"]
[White "Simeonov, Daniel"]
[Black "Arshinkova, Boryana"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1251"]
[PlyCount "67"]
[EventDate "2017.04.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. e3 Nf6 3. Bd3 Nc6 4. c3 Bg4 ({RR} 4... a6 5. Qb3 e5 6. Nd2 e4 7.
Be2 Ne7 8. c4 c6 9. Qc2 Bg4 10. f3 exf3 11. Ngxf3 dxc4 12. Nxc4 Ned5 13. Nce5
Bb4+ 14. Kf2 Bxf3 15. Bxf3 Bd6 16. Nc4 Ne7 17. Nxd6+ Qxd6 18. Re1 O-O 19. Kg1 {
Ponyi,A (2070)-Strifler,J (2155)/Gyongyos 1998/EXT 2000/1-0 (72)}) 5. Nf3 ({RR
} 5. f3 Bh5 6. Nd2 e5 7. Bb5 Bd6 8. Ne2 O-O 9. Ng3 Qe7 10. Be2 exd4 11. exd4
Bxg3+ 12. hxg3 Rfe8 13. Nf1 Na5 14. Bg5 Bg6 15. Nd2 Bc2 16. Bxf6 gxf6 17. Kf2
Bxd1 18. Raxd1 {
0-1 Clipcea,C (1507)-Jumbei,N (1101)/Calimanesti Caciulata 2016/CBM 172 Extra})
5... e6 6. h3 $146 ({RR} 6. O-O Bd6 7. Nbd2 e5 ({RR} 7... O-O 8. Qe2 h6 9. e4
Re8 10. e5 Nd7 11. exd6 cxd6 12. h3 Bh5 13. c4 dxc4 14. Nxc4 d5 15. Na3 Qf6 16.
Be3 Bxf3 17. Qxf3 Qxf3 18. gxf3 e5 19. Nc2 e4 20. fxe4 dxe4 21. Bb5 Red8 22. f3
{Bauer,A (2214)-Schwingen,D/Germany 2005/EXT 2007/1-0 (42)}) 8. dxe5 Nxe5 9.
Be2 Qd7 10. Nxe5 Bxe5 11. f4 Bd6 12. Bxg4 Nxg4 13. Nf3 O-O 14. h3 Nf6 15. b4
Rfe8 16. Qd3 c6 17. Re1 Ne4 18. Bd2 Re7 19. Re2 Rae8 20. Rae1 Bc7 {
Fischer,M (2180)-Wagner,R/Germany 2001/EXT 2005/0-1 (49)}) ({RR} 6. Nbd2 Be7 7.
b3 O-O 8. Qc2 h6 9. Bb2 Bd6 10. O-O-O e5 11. dxe5 Bxe5 12. Rdg1 Bd6 13. h3 Be6
14. g4 Qd7 15. g5 hxg5 16. Nxg5 g6 17. h4 Ng4 18. h5 Nxf2 19. Rh2 Bxh2 20. Rg2
Nxd3+ {Cohen Solal,L (1340)-Triboulin,B (1210)/Agneaux 2004/EXT 2006/0-1 (32)})
6... Bh5 7. Nbd2 Bd6 8. b4 Bg6 9. Qc2 a5 10. b5 Ne7 11. a4 b6 12. Ne5 Nd7 13.
O-O Bxe5 14. dxe5 Nxe5 15. Bxg6 N7xg6 16. f4 Nc4 17. Nxc4 dxc4 18. Ba3 c5 19.
bxc6 Qc7 20. Qe4 Rc8 21. Qd4 f6 22. Rab1 Rd8 23. Qxb6 Qxb6 24. Rxb6 Rc8 25. Rd1
h5 26. Bd6 Kf7 27. Rb7+ Kg8 28. c7 Kh7 29. Rb8 Rxb8 30. cxb8=Q Rxb8 31. Bxb8 e5
32. Rd5 exf4 33. exf4 Kh6 34. Rxa5 1-0

