[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "1.1"]
[White "Metev, Martin"]
[Black "Tsyntsarski, Boyko"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2062"]
[BlackElo "1636"]
[PlyCount "89"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 g6 2. Nf3 Bg7 3. Nc3 d6 4. d4 Nf6 5. Bf4 c6 6. Qd2 h5 ({RR} 6... Qa5 7.
h3 Nbd7 8. O-O-O b5 9. e5 b4 10. exf6 bxc3 11. Qxc3 Qf5 12. fxg7 Qxf4+ 13. Kb1
Rg8 14. Qxc6 Rb8 15. Bb5 Kd8 16. Rd3 Qf5 17. Rc3 Qxb5 18. Qc7+ {
1-0 Stangl,M (2535)-Azmaiparashvili,Z (2625)/Tilburg 1994/CBM 044}) ({RR} 6...
Bg4 7. Be2 d5 8. exd5 cxd5 {
1/2 Stamatovic,A (2215)-Cvetkovic,S (2301)/Grocka 2015/EXT 2016}) 7. O-O-O d5
$146 ({RR} 7... b5 8. Bd3 Qa5 9. a3 Qb6 10. e5 dxe5 11. dxe5 Ng4 12. Nxb5 O-O
13. Nbd4 Nd7 14. Rde1 c5 15. Nb3 Bb7 16. h3 Bxf3 17. hxg4 Bxg4 18. Bc4 Rad8 19.
Qa5 e6 20. Qxb6 axb6 21. f3 Bf5 22. Rhg1 {
Le Minh,V (1627)-Sawlin,L (1520)/Uelzen 2007/EXT 2009/1-0 (56)}) 8. e5 Ng4 9.
Bd3 Bh6 10. Bxh6 Nxh6 11. Nh4 e6 12. g3 Nf5 13. Nxf5 exf5 14. Ne2 Be6 15. Kb1
Qe7 16. Qa5 O-O 17. Qd2 Kg7 18. h3 Nd7 19. f3 Rh8 20. Nf4 h4 21. g4 fxg4 22.
hxg4 c5 23. c3 cxd4 24. cxd4 Nb6 25. Rc1 Rac8 26. Rxc8 Rxc8 27. g5 Nc4 28. Bxc4
Rxc4 29. Nxe6+ Qxe6 30. Qf4 h3 31. b3 Rb4 32. Kb2 Qc8 33. Qh4 Qh8 34. Qxh8+
Kxh8 35. Rxh3+ Kg7 36. Rh4 a5 37. Kc3 Rb6 38. Rf4 Rc6+ 39. Kd2 a4 40. Rf6 Rc8
41. Rd6 axb3 42. axb3 Ra8 43. Rxd5 Ra2+ 44. Ke3 Rb2 45. Rb5 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "1.2"]
[White "Babatov, Martin"]
[Black "Huebner, Thomas"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1625"]
[BlackElo "1880"]
[PlyCount "59"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 e5 7. d5 Nbd7 8. Bd3 a5
9. Be3 Nh5 ({RR} 9... b6 10. Bc2 Nc5 11. a3 Bd7 12. Nd2 Nh5 13. b4 axb4 14.
axb4 Na6 15. Rb1 Nf4 16. Kf1 f5 17. g3 fxe4 18. Ndxe4 Bxh3+ 19. Rxh3 Nxh3 20.
Qg4 Qc8 21. Qxc8 Raxc8 22. Bd1 h5 23. Kg2 Nf4+ 24. gxf4 {
Sanguineti,R (2505)-Rossetto,H (2410)/Buenos Aires 1977/MCD/1-0 (44)}) ({RR} 
9... Ne8 10. Qd2 f5 11. Bh6 Nc5 12. Bxg7 Kxg7 13. Bc2 h6 14. O-O f4 15. a3 a4
16. Rfb1 g5 17. b4 axb3 18. Bxb3 Nf6 19. Bc2 g4 20. hxg4 Bxg4 21. Nh2 Qe8 22.
f3 Bd7 23. Qf2 Qg6 24. Nf1 {
Jaramillo,A (1431)-Norena Yepez,V (1486)/Medellin 2016/CBM 171 Extra/0-1 (50)})
10. Qd2 Nc5 11. Ne2 $146 ({RR} 11. g4 Nf4 12. Bxf4 exf4 13. Bc2 f5 14. gxf5
gxf5 15. e5 dxe5 16. O-O-O Qf6 17. h4 a4 18. a3 Ra6 19. h5 e4 20. h6 Bxh6 21.
Rdg1+ Bg7 22. Ng5 h6 23. Nh3 Qe5 24. Nxf4 Kh7 25. Qe3 Nb3+ {
Irsai,J (2270)-Chmelik,L (2260)/Slovakia 1997/EXT 1998/1-0 (34)}) ({RR} 11. Bc2
Nf4 12. g4 ({RR} 12. Bxf4 exf4 13. Qxf4 f5 14. e5 dxe5 15. Qe3 Qe7 16. O-O-O
Bd7 17. Rhe1 Rae8 18. Kb1 Qd6 19. a4 Kh8 20. h4 h6 21. Qd2 Qb6 22. d6 cxd6 23.
Qxd6 Qxd6 24. Rxd6 e4 25. Ng1 Rf6 26. Rd5 b6 {
Popov,G (2205)-Pribeanu,M (2181)/Mondariz 2003/EXT 2004/0-1}) 12... Ng2+ 13.
Ke2 Nxe3 14. Qxe3 f5 15. gxf5 gxf5 16. Rag1 Kh8 17. Qg5 Qxg5 18. Rxg5 fxe4 19.
Nxe4 Nxe4 20. Bxe4 Rf4 21. Nd2 Bh6 22. Rh5 Rf6 23. Rg1 Bd7 24. Rg3 Raf8 25. Rf3
Kg7 {Detelic,M (1927)-Dokmanovic,N (2115)/Rabac 2004/CBM 102 Extra/1/2}) 11...
Nf4 12. Nxf4 exf4 13. Bxf4 Bxb2 14. Rb1 Bg7 15. O-O Re8 16. Rfe1 h6 17. Bc2 Kh7
18. e5 dxe5 19. Nxe5 Kg8 20. Rb5 b6 21. Nc6 Rxe1+ 22. Qxe1 Qd7 23. Be5 Ba6 24.
Bxg7 Bxb5 25. cxb5 Kxg7 26. Qe5+ Kh7 27. Qf6 Rg8 28. Ne5 Qd6 29. Qxf7+ Rg7 30.
Qe8 $138 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "1.3"]
[White "Vasilev, Lyuboslav"]
[Black "Mladenov, Andrey"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "1813"]
[BlackElo "1589"]
[PlyCount "29"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. h3 O-O 6. d4 c6 7. Nc3 Nbd7 8. O-O
Qc7 9. e4 e5 10. Be3 Re8 11. Re1 exd4 ({RR} 11... h6 12. Qd2 ({RR} 12. Rc1 g5
13. d5 c5 14. a3 Nf8 15. Nh2 Ng6 16. Ng4 Nh7 17. Bd2 Ne7 18. Ne3 a6 19. Qf3 Rb8
20. Nf5 Qd7 21. Nxe7+ Qxe7 22. Nd1 Nf8 23. Ne3 Qf6 24. Qxf6 Bxf6 25. b4 b6 26.
Rb1 Bd7 {Grigoryan,K (2602)-Amini,A (2111)/Mashhad 2016/CBM 170 Extra/1-0 (38)}
) 12... Kh7 13. Rad1 Ng8 14. Nh2 Nf8 15. f4 exf4 16. Bxf4 g5 17. Be3 Ng6 18.
Rf1 Nf6 19. Rf2 Rf8 20. Rdf1 Qe7 21. b4 Bd7 22. c5 dxc5 23. bxc5 Nh5 24. Ne2
Rae8 25. g4 Nf6 26. e5 {
Galliamova,A (2453)-Michna,M (2410)/Gothenburg 2005/CBM 107 Extra/1-0 (47)})
12. Bxd4 Ne5 $146 ({RR} 12... Nc5 13. e5 Nfd7 14. exd6 Rxe1+ 15. Qxe1 Qxd6 16.
Rd1 Qe6 17. Qf1 Qe7 18. Re1 Ne6 19. Bxg7 Kxg7 20. Nd4 Ndf8 21. Qd3 Bd7 22. Qe4
Re8 23. Qe5+ f6 24. Qe4 Qd6 25. Rd1 Nxd4 26. Qxd4 Re1+ 27. Kh2 {
Kong,D (1957)-Chiku Ratte,O (1284)/Victoria 2009/EXT 2011/1-0 (75)}) 13. b3
Nxf3+ $2 (13... Nfd7 $142 $11) 14. Qxf3 Bd7 $4 (14... Nh5 $142 $16) 15. Bxf6
1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "1.4"]
[White "Tsenkov, Tsenko"]
[Black "Sharkov, Venko"]
[Result "0-1"]
[ECO "C52"]
[WhiteElo "1540"]
[BlackElo "1701"]
[PlyCount "46"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O Nge7 8.
cxd4 d5 9. exd5 Nxd5 10. Qb3 Be6 11. Ba3 Bb4 12. Bxb4 Ncxb4 13. a3 Nc6 14. Qxb7
Na5 15. Qa6 Nxc4 16. Qc6+ Kf8 17. Qxc4 g6 18. Qc6 Kg7 19. Re1 Qd6 20. Qxd6 cxd6
21. Nbd2 Rhc8 22. Rad1 Nc3 23. Rc1 Ne2+ 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "1.5"]
[White "Kosturkov, Krasimir"]
[Black "Anavi, David"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "1679"]
[BlackElo "1292"]
[PlyCount "69"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15.
Be3 Bg4 16. Qd3 Rae8 17. Nd2 Kh8 18. Bxd5 cxd5 19. Qf1 ({RR} 19. a4 Bd7 20. Qf1
Qh5 21. f4 Re6 22. Qf3 Qf5 23. Kf2 Rh6 24. Rh1 bxa4 25. h3 Qc2 26. g4 Re6 27.
Rae1 Rfe8 28. Re2 Qxb2 29. Nf1 Qxc3 30. f5 Re4 31. f6 g6 32. Rg1 Bb5 33. Ng3
Qd3 {Boswell,J (1798)-Ruane,B (1797)/Bournemouth 2016/CBM 173 Extra/0-1 (35)})
19... Qh5 20. f4 Re6 21. a4 $146 ({RR} 21. Qg2 Bh3 22. Qf3 Bg4 23. Qg2 {
1/2 Tesar,M (1996)-Dolezal,R (1961)/Rakovnik 2015/EXT 2016}) 21... Rh6 22. Qg2
b4 23. f5 Rf6 (23... g5 $142 $11) 24. Qxd5 Bc7 25. Qc5 (25. cxb4 $142) 25...
Bd6 26. Qd5 Bc7 27. Rf1 Rd8 28. Qc4 Bxg3 29. hxg3 Be2 30. Qc7 Rfd6 31. Rf2 bxc3
32. bxc3 R8d7 33. Qc5 Rd8 34. Rb1 Qg4 35. Qxd6 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "2.1"]
[White "Sharkov, Venko"]
[Black "Metev, Martin"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "1701"]
[BlackElo "2062"]
[PlyCount "108"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 d5 2. c4 e6 3. d4 c6 4. g3 Nd7 5. Qc2 Ngf6 6. Bg2 Be7 7. O-O O-O 8. Nbd2
b6 9. Rd1 ({RR} 9. Ne5 Nxe5 10. dxe5 Nd7 11. Nf3 Ba6 12. b3 b5 13. cxd5 cxd5
14. Bb2 Rc8 15. Qd2 b4 16. Rfc1 Qb6 17. Bd4 Bc5 18. e3 Rc7 19. h4 Rfc8 20. Bb2
Be7 21. Bd4 Bc5 22. Bb2 Be7 23. Bd4 Bc5 {
Nguyen,P (2047)-Pham,M (1965)/Ho Chi Minh City 2016/CBM 171 Extra/1/2}) 9...
Bb7 10. e4 dxe4 ({RR} 10... dxc4 11. e5 Nd5 12. Qxc4 c5 13. Nb3 cxd4 14. Qxd4
Qc7 15. Bd2 Rac8 16. Rac1 Qb8 17. Re1 Rxc1 18. Nxc1 Rc8 19. Nb3 Qc7 20. Rc1 {
1/2 Najer,E (2664)-Buhmann,R (2584)/Germany 2012/CBM 152}) 11. Ng5 c5 $146 ({RR
} 11... Qc8 12. Ndxe4 h6 13. Nxf6+ Nxf6 14. Ne4 c5 15. dxc5 Bxe4 16. Bxe4 Nxe4
17. Qxe4 Bxc5 18. Bf4 {
1/2 Poehlmann,R (2273)-Feinstein,M (2259)/Reno 2005/EXT 2009}) 12. Ngxe4 Qc7
13. Nxf6+ Nxf6 14. Ne4 cxd4 15. Rxd4 Rac8 16. Qd3 {Äèàãðàììà #} Nxe4 $6 (16...
Bxe4 $142 $19) 17. Bxe4 Bxe4 18. Rxe4 Rfd8 19. Qe2 Bf6 20. Bf4 Qc6 21. Re1 h6
22. b3 Rd7 23. Qf3 e5 24. Bxh6 $2 (24. Bc1 $142 $15) 24... gxh6 25. Rg4+ Kf8
26. Qf5 Qe6 27. Qh5 Bg7 28. Re3 Qc6 29. Rh4 Rcd8 30. Rf3 Qe6 31. Rg4 e4 32. Rf5
e3 33. fxe3 $142 Qxe3+ (33... Rd1+ 34. Kg2 R8d2+ 35. Kh3 Rh1 $19) 34. Kg2 Qe6
35. Rg6 Qe4+ 36. Kh3 Kg8 37. Rg4 Qe6 38. Re5 Qf6 39. Rf5 Qc6 40. Rgf4 Qg6 41.
Qf3 Rd3 42. Qb7 R8d7 43. Qc8+ Kh7 44. Qe8 Rd2 45. Rxf7 Rxf7 46. Qxf7 Qxf7 47.
Rxf7 Rxa2 48. Rd7 Ra3 49. Rb7 Kg6 50. Kg4 Rxb3 51. Rxa7 Rb4 52. Rc7 b5 53. Rc6+
Bf6 54. Rb6 Rxc4+ 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "2.2"]
[White "Kosturkov, Krasimir"]
[Black "Vasilev, Lyuboslav"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1679"]
[BlackElo "1813"]
[PlyCount "58"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5
8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. g4 $6 (10. Nc3 $142) ({RR} 10. Bf4 Ne7 11. h3 Ng6
12. Bh2 Be7 13. Nc3 Bd7 14. Nd4 Nf8 15. Rd2 Rd8 16. Rad1 Bc8 17. Nce2 a6 18.
Nf4 c5 19. Nde2 Rxd2 20. Rxd2 h5 21. Nd5 Bd8 22. Nef4 h4 23. c4 Ne6 24. Nxe6
Bxe6 {Dominguez Perez,L (2754)-Grischuk,A (2783)/Beijing 2013/CBM 158/1/2 (48)}
) ({RR} 10. h3 h5 11. Nc3 Bb4 12. Ne2 Bd7 13. a3 Bc5 14. Ned4 Nxd4 15. Nxd4 Rd8
16. Be3 Bxd4 17. Rxd4 Be6 18. Rad1 Rxd4 19. Rxd4 Ke7 20. Rd2 b6 21. Bg5+ f6 22.
exf6+ gxf6 23. Bf4 Rd8 24. Rxd8 Kxd8 {
Rytenko,V (2249)-Bunyatov,R (2215)/Lvov 2016/CBM 171 Extra/1/2 (32)}) 10... Ne7
11. h3 {Äèàãðàììà #} h5 $146 ({RR} 11... c5 12. Be3 b6 13. Nc3 a6 14. a4 Bb7
15. Ng5 h6 16. Nge4 Nc6 17. f4 Nb4 18. Rd2 Rd8 19. Rad1 Rxd2 20. Rxd2 Bxe4 21.
Nxe4 Nc6 22. Nc3 Be7 23. Nd5 Bd8 24. Bf2 h5 25. Bg3 hxg4 26. hxg4 {
Tulacz,D (2032)-Kotermanska,A/Bartkowa 2002/EXT 2005/1-0 (35)}) 12. Rd4 c5 13.
Rc4 b6 14. Nh2 Be6 15. Re4 Rd8 16. Nc3 Nd5 17. Nxd5 Rxd5 18. Bf4 Be7 19. a4 a5
20. Bg3 Rd2 21. Rc1 g5 22. f4 Bd5 23. Re3 hxg4 24. hxg4 c4 25. Nf3 Bxf3 26.
Rxf3 Rh3 27. Rcf1 Bc5+ 28. R1f2 Bxf2+ 29. Rxf2 Rxg3+ 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "2.3"]
[White "Stefanov, Georgi"]
[Black "Babatov, Martin"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1262"]
[BlackElo "1625"]
[PlyCount "80"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. f4 Ne7 7. Nf3 Nf5 ({RR} 
7... Qa5+ 8. c3 Qa6 9. Qxa6 Nxa6 10. b4 Nc7 11. Bb2 a5 12. a3 Nc8 13. Nbd2 Nb6
14. Kd1 f5 15. g3 Be7 16. Kc2 Nc4 17. Nxc4 dxc4 18. Nd2 b5 19. h4 Kd7 20. Rag1
Nd5 21. Re1 axb4 22. axb4 {
Mravunac,B (2107)-Dizdarevic,E (2519)/Sibenik 2009/CBM 130 Extra/0-1 (50)}) ({
RR} 7... Nd7 8. b3 Nf5 9. g4 Nh4 10. Nxh4 Qxh4+ 11. Qg3 Be7 12. O-O h5 13. g5
Qxg3+ 14. hxg3 c5 15. Be3 cxd4 16. Bxd4 Bc5 17. Bxc5 Nxc5 18. Nd2 Ke7 19. b4
Na6 20. b5 Nc5 21. Nb3 Ne4 22. Kg2 {
Obrusnik,D (1748)-Goluch,P (2308)/Hucisko 2016/CBM 170 Extra/0-1 (37)}) 8. Nbd2
Nd7 9. O-O Be7 10. Re1 $146 ({RR} 10. Kh1 O-O 11. Rf2 c5 12. c3 cxd4 13. cxd4
Rc8 14. Nf1 Nb6 15. g4 Nh4 16. Nxh4 Bxh4 17. Rg2 f6 18. Bd2 Nc4 19. Bc3 fxe5
20. fxe5 Rf2 21. Rxf2 Bxf2 22. Nd2 Nxd2 23. Qxd2 Bh4 24. Rf1 Qg5 {
Maeckelbergh,A-Skerute,I/Guardamar 1997/EXT 2011/1/2 (32)}) 10... Qb6 11. Nf1
c5 12. c3 cxd4 13. cxd4 Rc8 14. Ne3 Nxe3 15. Qxe3 h6 16. b3 Bb4 17. Bd2 O-O 18.
Rac1 Nb8 19. Bxb4 Qxb4 20. f5 exf5 21. e6 Qe7 22. exf7+ Qxf7 23. Ne5 Qe6 24.
Qf3 Rxc1 25. Rxc1 Nd7 26. Nxd7 Qxd7 27. Rc5 Rd8 28. Qg3 Rc8 29. Qc3 Rxc5 30.
Qxc5 b6 31. Qc3 Qe6 32. Kf2 Qe4 33. Qe3 Qxe3+ 34. Kxe3 g5 35. Kd3 Kf7 36. Kc3
a5 37. b4 f4 38. bxa5 bxa5 39. Kb3 g4 40. Ka4 f3 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "2.4"]
[White "Huebner, Thomas"]
[Black "Mladenov, Andrey"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1880"]
[BlackElo "1589"]
[PlyCount "178"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. exd5 Bxf5 8.
dxc6 Qxd1+ 9. Nxd1 bxc6 10. Ne3 Bg6 11. Ba6 ({RR} 11. Be2 O-O-O 12. Bd2 Bc5 13.
Ba5 Rd7 14. Ng4 Nxg4 15. Bxg4 f5 16. Be2 Rd5 17. Bc3 Bd4 18. Bxd4 Rxd4 19. Rd1
Rhd8 20. Rxd4 Rxd4 21. g3 Bf7 22. a3 Bc4 23. Bxc4 Rxc4 24. c3 Kd7 25. Kd2 Rc5 {
Zhang,P (2560)-Kryvoruchko,Y (2474)/Cappelle-la-Grande 2005/EXT 2006/1/2 (37)})
11... Rb8 12. O-O Rb6 ({RR} 12... Bc5 13. Nc4 O-O 14. Nxe5 Bxc2 15. Bg5 Ne4 16.
Bh4 g5 17. Bg3 Rxb2 18. Nd7 Rd8 19. Nxc5 Nxc5 20. Be5 Rb4 21. Rfc1 Nxa6 22.
Rxc2 c5 23. Bf6 Rdb8 24. Bxg5 Rb1+ 25. Rc1 Rxa1 26. Rxa1 Kg7 27. h3 {
Wakuruwarewa,C (1716)-Ranasinghe,S (1731)/Baku 2016/CBM 174 Extra/1-0 (59)})
13. Bc4 Be7 $146 ({RR} 13... Nd7 14. Bb3 Be7 15. Rd1 Nc5 16. Nc4 Nxb3 17. axb3
Rb7 18. c3 f6 19. Nd6+ Bxd6 20. Rxd6 Rc7 21. Be3 O-O 22. h3 Rb8 23. b4 Rbb7 24.
Rd8+ Kf7 25. Ra8 Ke6 26. R8xa7 Rxa7 27. Bxa7 Kd5 28. Bc5 {
Maynat Diaz,J (1897)-Bimbatti Dorante,G (2048)/Mataro 2010/EXT 2011/1/2}) 14.
Bb3 O-O 15. Nc4 Rb5 16. Re1 e4 17. Be3 a6 18. Rad1 Nd5 19. Bd4 f6 20. Nd2 f5
21. c4 Rxb3 22. Nxb3 Nb4 23. Bc5 Bxc5 24. Nxc5 Nxa2 25. Nxa6 Ra8 26. Nc5 Ra5
27. Nb3 (27. Rd8+ Kf7 28. Nb3 Ra7 29. Ra1 Rb7 30. Rxa2 Rxb3 31. Rd6 $18) 27...
Re5 28. Rd8+ Kf7 29. Ra1 Nb4 30. Ra7+ Kf6 31. h4 Re6 32. Nd4 Re7 33. Rxe7 Kxe7
34. Rb8 c5 35. Nb3 Nd3 36. Na5 Kd6 37. Rb6+ Ke5 38. g3 Kd4 39. Rd6+ Ke5 40.
Rd5+ Ke6 41. b3 Be8 42. Nb7 Ne5 43. Nxc5+ Kf6 44. Rd6+ Kf7 45. Kf1 Ng4 46. b4
Ne5 47. b5 Nxc4 48. Ra6 Bxb5 49. Ra7+ Kg6 50. Kg2 Ne5 51. Ne6 Bd7 52. Nf4+ Kf6
53. Nd5+ Ke6 54. Ne3 g6 55. Ra8 Nf7 56. Ra6+ Ke5 57. Ra7 Be6 58. Rc7 h6 59.
Rc5+ Kd4 60. Ra5 Nd6 61. Ra8 Nf7 62. Rg8 Ne5 63. Rd8+ Kc5 64. Rh8 Nf7 65. Rg8
Ne5 66. Rg7 Kd6 67. Kf1 Kc5 68. Ke2 Kd6 69. Kd2 Bf7 70. Rh7 h5 71. Ng2 Ke6 72.
Nf4+ Kf6 73. Nh3 Ng4 74. Kc3 Bd5 75. Kd4 Bc6 76. Kc5 Ba4 77. Kd6 Bb5 78. Kd5
Bf1 79. Ng5 Ne5 80. Ra7 Bc4+ 81. Kd4 Nc6+ 82. Kxc4 Nxa7 83. Kd4 Nc6+ 84. Ke3
Ne5 85. Nh3 Ng4+ 86. Kf4 Ne5 87. Ng5 Nd3+ 88. Ke3 Ke5 89. Nf7+ Kf6 1/2-1/2

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "2.5"]
[White "Tsyntsarski, Boyko"]
[Black "Tsenkov, Tsenko"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1636"]
[BlackElo "1540"]
[PlyCount "69"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 c6 6. e3 Be7 7. Bd3 Be6 8.
Nge2 O-O ({RR} 8... h6 9. Bh4 Nbd7 10. Qc2 c5 11. Nf4 O-O 12. O-O Rc8 13. Rad1
a6 14. Bf5 Rc6 15. dxc5 Qa5 16. Nfxd5 Nxd5 17. Bxe7 Nxe7 18. Bxe6 Nxc5 19. Bg4
b5 20. Bf3 Rc7 21. Nd5 Nxd5 22. Bxd5 Na4 23. Qe2 {
Van Wely,L (2655)-Kupreichik,V (2500)/Germany 1998/GER-chT/1-0 (32)}) 9. Nf4 ({
RR} 9. Qc2 Nbd7 10. O-O h6 11. Bh4 Ne8 12. Bg3 Nd6 13. Rad1 Rc8 14. Nf4 c5 15.
Qe2 c4 16. Bb1 Nf6 17. f3 g5 18. Nxe6 fxe6 19. e4 dxe4 20. fxe4 Nd7 21. Qh5 Kg7
22. Bxd6 {1-0 Dutreuil,R (2201)-Gac,R (1571)/Angers 2016/CBM 172 Extra}) 9...
Nbd7 10. Nxe6 $146 ({RR} 10. O-O Re8 11. Nxe6 fxe6 12. f4 Qc7 13. Rc1 a6 14.
Qf3 Nf8 15. Qh3 Rab8 16. f5 h6 17. Bxf6 Bxf6 18. fxe6 Rxe6 19. Nxd5 Qd6 20.
Nxf6+ Rxf6 21. Bc4+ Kh8 22. Rxf6 Qxf6 23. Rf1 Qe7 24. Qg3 Re8 {
Mildner,J-Vlach,M/Mecklenburg VP 1998/EXT 2002/1-0}) 10... fxe6 11. Qc2 h6 12.
Bh4 e5 13. Bxf6 Bxf6 14. dxe5 Nxe5 15. Bh7+ Kh8 16. O-O Qe8 17. Bf5 Bh4 18.
Rad1 Qf7 19. e4 g6 20. Bh3 dxe4 21. Nxe4 Be7 22. f4 Rad8 23. fxe5 Rxd1 24. Qxd1
Qc4 25. Rxf8+ Bxf8 26. Nd6 Qc5+ 27. Kf1 Kg7 28. Ne8+ Kh8 29. Nd6 Kh7 30. Ne8
Kh8 31. e6 Qe7 32. Qd7 Qg5 33. Qd4+ Kh7 34. Nf6+ Kh8 35. Ne4+ 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "3.1"]
[White "Metev, Martin"]
[Black "Babatov, Martin"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2062"]
[BlackElo "1625"]
[PlyCount "77"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Nh4 e6 8.
Nxg6 hxg6 9. c3 Qc7 10. Bd2 ({RR} 10. Qf3 Ngf6 11. Bd2 O-O-O 12. O-O-O c5 13.
Bf4 Bd6 14. Bxd6 Qxd6 15. Be2 Qc7 16. Kb1 c4 17. h3 Nb6 18. Rhe1 Rd5 19. Rd2 e5
20. Ne4 {1/2 Metev,M (2040)-Andreev,D (1906)/Sofia 2016/CBM 174 Extra}) 10...
Ngf6 11. Bc4 Bd6 12. Qf3 a6 $146 ({RR} 12... Qb6 13. O-O-O O-O-O 14. Be3 Qc7
15. h3 Rdf8 16. Ne4 Nxe4 17. Qxe4 Nf6 18. Qc2 Nd5 19. Rdf1 a6 20. Kb1 Kb8 21.
Qb3 Ka8 22. Rc1 Rc8 23. Be2 Rhf8 24. c4 Nxe3 25. fxe3 c5 26. Qa4 Ka7 27. b4 {
Zorman,A (1904)-Zaric,A (1789)/Osijek 2015/CBM 165 Extra/0-1 (62)}) 13. Bb3 O-O
14. h4 Bxg3 15. fxg3 Nh5 $2 (15... e5 $1 16. O-O-O e4) 16. g4 Qg3+ 17. Ke2
Qxf3+ 18. Kxf3 Nhf6 19. h5 gxh5 20. gxh5 c5 21. g4 cxd4 22. cxd4 Nd5 (22... Nb8
$142 23. Bg5 Nc6 $14) 23. Rac1 (23. h6 $142) 23... Rac8 24. g5 g6 25. h6 Kh7
26. Ke4 N7b6 27. a4 Ne7 28. Bb4 Nbd5 29. Bxd5 exd5+ 30. Kd3 Rfe8 31. Rxc8 Nxc8
32. Rc1 Nb6 33. Rc7 Nxa4 34. Rxf7+ Kg8 35. Rg7+ Kh8 36. Ba3 Re6 37. Rxb7 Rc6
38. Be7 Rb6 39. Bf6+ 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "3.2"]
[White "Vasilev, Lyuboslav"]
[Black "Sharkov, Venko"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1813"]
[BlackElo "1701"]
[PlyCount "143"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. d4 d6 6. h3 c5 7. Nc3 cxd4 8. Nxd4
a6 9. O-O Qc7 10. b3 ({RR} 10. Nd5 Nxd5 11. cxd5 e5 12. Nc2 f5 13. Be3 Nd7 14.
Rc1 Nf6 15. Na3 Qd8 16. Nc4 b5 17. Bb6 Qd7 18. Na5 Ne8 19. Rc6 Bf6 20. Qc2 Bd8
21. Bxd8 Qxd8 22. b4 Bd7 23. Rc3 Ra7 24. Rc1 Rf7 {
Saunders,W (2054)-Camp,S (1681)/Cardiff 2016/CBM 171 Extra/1-0 (34)}) 10... Nc6
11. Be3 h6 $146 ({RR} 11... Rb8 12. Rc1 Bd7 13. Qd2 Nxd4 14. Bxd4 Bc6 15. Nd5
Bxd5 16. cxd5 Qd7 17. e4 Rbc8 18. f4 Qb5 19. Kh2 Nd7 20. Bxg7 Kxg7 21. Qd4+ Kg8
22. e5 Nc5 23. Rc4 Rfd8 24. Rfc1 Qe8 25. h4 Nd7 26. e6 {
Rostgaard,T (2051)-Hansen,H (1832)/Helsingor 2009/CBM 131 Extra/1-0 (55)}) ({RR
} 11... Bd7 12. Rc1 Qa5 ({RR} 12... Qd8 13. Kh2 Nxd4 14. Bxd4 Bc6 15. e4 e6 16.
Re1 Qe7 17. f4 Rac8 18. Qe2 Ng4+ 19. Qxg4 Bxd4 20. e5 Bxc3 21. Rxc3 Bxg2 22.
Kxg2 {1/2 Jovanovic,M (1974)-Jandric,D/Belgrade 2009/CBM 129 Extra}) ({RR} 
12... Nxd4 13. Bxd4 Bc6 14. e4 Rac8 15. Qd2 Qa5 16. Rfd1 Qd8 17. b4 b5 18. cxb5
axb5 19. a4 bxa4 20. b5 Ba8 21. Nxa4 Rxc1 22. Rxc1 Qb8 23. Nb6 e5 24. Be3 Bxe4
25. Bxe4 Nxe4 26. Qd5 Nf6 27. Qc6 {
Schulze,U (2315)-Marceta,M (2142)/Pula 2009/CBM 131 Extra/1-0 (32)}) 13. c5 d5
14. Nxc6 bxc6 15. Bd4 Qc7 16. f4 Nh5 17. Bxg7 Kxg7 18. Qd4+ f6 19. Qf2 e5 20.
e3 f5 21. Na4 Rae8 22. Nb2 Bc8 23. Nd3 e4 24. Ne1 g5 25. Nc2 Re6 26. Kh2 {
Tibensky,R (2425)-Weiss,C (2290)/Linz 1996/EXT 1997/1-0 (56)}) 12. Qd2 Kh7 13.
Rac1 Nxd4 14. Bxd4 Qa5 15. Rfd1 Qh5 16. g4 Qa5 17. Bxf6 Bxf6 18. Nd5 Qa3 19.
Nxf6+ exf6 20. Rc2 Rd8 21. Bd5 Rd7 22. Qe3 (22. Qc3 Kg7 23. h4) 22... Qa5 23.
Qe8 Qc7 24. Rcd2 Re7 25. Qa4 Qc5 26. b4 Qc7 27. Qb3 Be6 28. e3 Rd7 29. e4 Rad8
30. a4 a5 31. Qc3 axb4 32. Qxb4 Qc5 33. Qxc5 dxc5 34. Rb2 f5 35. f3 fxe4 36.
fxe4 h5 37. gxh5 Bxh3 38. hxg6+ Kxg6 39. Rd3 Be6 40. Rb5 Rc7 41. Rdb3 Bxd5 42.
exd5 Rdd7 43. Kf2 Kf5 44. Kf3 Ke5 45. Ke3 f5 46. Rb6 f4+ 47. Kd3 Rf7 48. Re6+
Kf5 49. Rb1 Rf6 50. Rxf6+ Kxf6 51. Ke4 Rh7 52. Rf1 Kg5 53. Rg1+ Kf6 54. Kxf4
Rh2 55. Rf1 Ra2 56. Ke4+ Ke7 57. Ke5 Re2+ 58. Kf4 Ra2 59. Re1+ Kd7 60. Ke5 Rxa4
61. Rh1 Rxc4 62. Rh7+ Ke8 63. Rxb7 Rc1 64. Rc7 Kd8 65. Kd6 c4 66. Ra7 Kc8 $4 (
66... Ke8 $11) 67. Kc6 Kb8 68. Rb7+ Kc8 69. d6 Rd1 70. d7+ Kd8 71. Rb8+ Ke7 72.
Re8+ 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "3.3"]
[White "Tsyntsarski, Boyko"]
[Black "Kosturkov, Krasimir"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1636"]
[BlackElo "1679"]
[PlyCount "51"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Bxf6 gxf6 9. Na3 f5 10. Qh5 Nd4 ({RR} 10... Bg7 11. Bc4 O-O 12. exf5 Nd4 13.
Bd3 e4 14. Bxe4 Bxf5 15. Bxf5 Nxf5 16. Qxf5 Re8+ 17. Kf1 b5 18. Qg4 b4 19. Qxb4
Rb8 20. Qg4 Rxb2 21. h4 h5 22. Qxh5 Bxc3 23. Rh3 Bg7 24. Rg3 Re6 25. Qd5 {
Desideri,R (1843)-Caldeira,T (2058)/Sao Paulo 2014/CBM 158 Extra/1/2 (32)}) 11.
Bc4 Qf6 $146 ({RR} 11... Be6 12. Bxe6 Nxe6 13. Qxf5 Be7 ({RR} 13... Nd4 14. Qh5
({RR} 14. Qh3 b5 15. Nd5 Bg7 16. c3 Ne6 17. Nc2 a5 18. Nce3 Nc5 19. Nf5 Bf8 20.
Qf3 Ra7 21. Rd1 Rg8 22. h4 Ne6 23. g3 h6 24. Qe3 Rb7 25. Nxh6 Rh8 26. Ng4 Be7
27. Qf3 b4 28. O-O Bxh4 {
Csatho,G (1804)-Konya,A (1809)/Hungary 2011/EXT 2013/0-1 (69)}) 14... b5 15.
Nd5 Rb8 16. c3 Nc6 17. Qf5 {
1-0 Petersson,B (1575)-De Winter,E (1823)/Reykjavik 2013/CBM 153 Extra}) 14.
Nd5 O-O 15. c3 Rc8 16. O-O Kh8 17. Nc2 Ng5 18. Nce3 Rg8 19. Nxe7 Qxe7 20. Nd5
Qd8 21. f4 exf4 22. Rxf4 Rg7 23. Raf1 Ne6 24. Rg4 Rxg4 25. Qxg4 Qg8 26. Qf5 {
Fullana Benito,D (1947)-Santandreu Capo,G (2007)/Palma de Mallorca 2000/EXT
2003/1-0 (58)}) 12. Nd5 Qd8 13. Nb6 Qxb6 14. Qxf7+ Kd8 15. Qf6+ Kc7 16. Qxh8
Be6 17. Qxh7+ Kc6 18. O-O Qxb2 19. Rab1 Qxa3 20. Qxb7+ Kc5 21. Qc7+ Nc6 22.
Qb6+ Kxc4 23. Qxc6+ Qc5 24. Qxa8 Bh6 25. Qxa6+ Kc3 26. Qd3# 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "3.4"]
[White "Anavi, David"]
[Black "Huebner, Thomas"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "1292"]
[BlackElo "1880"]
[PlyCount "56"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. exd5 e4 10. dxc6 exf3 11. Qxf3 Bg4 12. Qe3 Re8 13. d4 Bd6 14. Qd2 Bf4 15.
Re3 Bxe3 16. fxe3 Qd6 $146 ({RR} 16... Be6 17. Qf2 Ne4 18. Qf1 Qf6 19. Qxf6
Nxf6 20. Bxe6 Rxe6 21. Bd2 Rxc6 22. Na3 Ne4 23. Be1 Re8 24. Nc2 a5 25. a4 bxa4
26. Rxa4 Rb6 27. Rxa5 Rxb2 28. Nb4 Rb1 29. Kf1 Nxc3 30. Nc6 h6 31. Ne5 {
Winkler,G-Darazs,Z (2192)/playchess.com INT 2004/EXT 2005/0-1 (39)}) ({RR} 
16... Ne4 17. Qe1 Qg5 ({RR} 17... Be6 18. Bc2 Bd5 19. Nd2 Qg5 20. Nf3 Qh6 21.
a4 Qxc6 22. Ne5 Qh6 23. b3 Bb7 24. c4 f6 25. Nf3 bxc4 26. bxc4 c5 27. d5 f5 28.
Qa5 Qd6 29. Rb1 Bc8 30. Ba3 Rb8 31. Rxb8 Qxb8 32. Bxc5 {
Purgar,I-Jambresic,J/Sibenik 2005/CBM 106 Extra/1/2 (46)}) 18. Nd2 Bh3 19. Qe2
Bxg2 20. Qxg2 Qxe3+ 21. Kh1 Nf2+ 22. Kg1 Nd3+ 23. Kh1 Qe1+ 24. Qf1 Qxf1+ 25.
Nxf1 Re1 26. Kg1 Rae8 27. d5 Nxc1 28. d6 cxd6 29. c7 Ne2+ 30. Kf2 Rxa1 {
0-1 Sauter,H-Boschetti,C (2155)/Mendrisio 1999/EXT 2000}) 17. d5 Re5 18. c4
Rae8 19. Qd4 bxc4 20. Bxc4 Re4 21. Qd3 Qc5 22. Na3 Bf5 23. Qf1 Ng4 24. Qxf5
Rxe3 25. Bxe3 Qxe3+ 26. Kh1 Nf2+ 27. Kg1 Ng4+ 28. Kh1 Nf2+ 1/2-1/2

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.07"]
[Round "3.5"]
[White "Mladenov, Andrey"]
[Black "Stefanov, Georgi"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1589"]
[BlackElo "1262"]
[PlyCount "41"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Qxe4+ 5. Be2 Bc5 6. O-O O-O 7. d4 Bb6 8.
c4 d6 9. Nc3 Qe7 10. Bg5 h6 $146 ({RR} 10... c6 11. Re1 Qd8 12. Ne4 Bf5 13.
Nxf6+ gxf6 14. Bh6 Re8 15. Bd3 Rxe1+ 16. Nxe1 Qd7 17. Qf3 Bxd3 18. Nxd3 {
1-0 Woerl,R (1981)-Schanz,K (1886)/Zirndorf 2002/EXT 2015}) 11. Nd5 Qe6 12.
Nxf6+ gxf6 13. Bxh6 Re8 14. Bd3 Bd7 15. Re1 Qg4 16. Rxe8+ Bxe8 17. Qe2 Nc6 18.
Re1 Bd7 19. d5 Nb4 20. Bb1 Re8 21. Qxe8+ 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "4.1"]
[White "Vasilev, Lyuboslav"]
[Black "Metev, Martin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1813"]
[BlackElo "2062"]
[PlyCount "68"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Qe7 7. Qxe7+ Bxe7
8. Bf4 c6 9. h3 ({RR} 9. O-O O-O 10. Re1 Re8 11. Nbd2 Bg4 12. Ne5 Bh5 13. Re3
Nbd7 14. Nxd7 Nxd7 15. Rae1 Kf8 16. Rxe7 Rxe7 17. Bd6 Rae8 18. f4 Nb6 19. h3 h6
20. Kf2 Nc8 21. Bxe7+ Rxe7 22. Rxe7 Kxe7 23. c3 f6 {
Palkovich,D (2131)-Maratkanov,E (2172)/Voronezh 2016/EXT 2017/1/2 (31)}) 9...
O-O 10. O-O $146 ({RR} 10. Nbd2 Bb4 11. c3 Be7 12. O-O-O Rd8 13. Rdg1 Bd6 14.
Bxd6 Rxd6 15. g4 h6 16. Ne5 Nbd7 17. f3 Re6 18. f4 Nxe5 19. fxe5 Nh7 20. h4 g6
21. Rh2 Bd7 22. Rf2 Rf8 23. Rgf1 Kg7 24. h5 b5 {
Kaufman,E (1412)-Chuchin,S (1124)/Quebec 2008/EXT 2011/1-0 (56)}) 10... Ne4 11.
Nbd2 f5 12. Rfe1 Nd7 13. a3 Re8 14. Rac1 Ndf6 15. c4 Be6 16. cxd5 Bxd5 17. Bc4
Rad8 18. Bc7 Rc8 19. Bf4 Nxd2 20. Nxd2 Bf8 21. Be5 Kf7 22. Re3 Nd7 23. f4 Nxe5
24. Rxe5 g6 25. Rce1 $4 (25. Bxd5+ cxd5 26. Rxc8 Rxc8 27. Nf3 $11) 25... Bg7
26. Rxe8 Rxe8 27. Bxd5+ cxd5 28. Rxe8 Bxd4+ 29. Kf1 Kxe8 30. b3 Be3 31. Nf3
Bxf4 32. Ke2 Ke7 33. Kd3 Kd6 34. a4 Kc5 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "4.2"]
[White "Babatov, Martin"]
[Black "Tsyntsarski, Boyko"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1625"]
[BlackElo "1636"]
[PlyCount "132"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 e5 7. d5 Nbd7 ({RR} 
7... a5 8. Be3) 8. Bd3 Nc5 9. Bc2 a5 10. Be3 ({RR} 10. Bg5 h6 11. Be3 Nh5 12.
Qd2 Nf4 13. Rh2 ({RR} 13. Bxf4 exf4 14. Qxf4 f5 15. exf5 Bxf5 16. Qd2) 13... c6
({RR} 13... f5 14. O-O-O ({RR} 14. exf5 Bxf5 15. Bxf5 gxf5) 14... g5 ({RR} 
14... fxe4 15. Nxe4 Nxe4 16. Bxe4 Bf5 17. Bxf5 Rxf5 18. g3) 15. Bxc5 dxc5 16.
exf5 ({RR} 16. Qe3) 16... Bxf5 17. Bxf5 Rxf5 18. Qe3) ({RR} 13... g5) 14. dxc6
({RR} 14. O-O-O cxd5 15. cxd5 f5) 14... bxc6 15. O-O-O Nb7 16. g3 Ne6 ({RR} 
16... Nxh3 17. Bxh6 ({RR} 17. Rdh1 Bg4 18. Rxh3 ({RR} 18. Bd1 Bxf3 19. Bxf3 Ng5
20. Bg2) 18... Bxf3 19. Bxh6 Bxh1 20. Bxg7 Kxg7 21. Qh6+ Kf6) 17... Bg4 ({RR} 
17... Qf6 18. Ng1) 18. Qe3 Bxf3 ({RR} 18... Qf6 19. Nd2 Bxd1 20. Bxg7 Qxg7 21.
Nxd1) 19. Bxg7 Kxg7 20. Qxf3 Rh8 21. Rdh1 Ng5 22. Qe3 Rxh2 23. Rxh2) 17. Bxh6
Qf6 18. Bxg7 Kxg7 19. Qe3 Nec5 20. Na4 ({RR} 20. Ng5 Be6 21. Nxe6+ fxe6) 20...
Rb8 ({RR} 20... Nxa4 21. Bxa4 Ra6 22. Ng5 Nc5 23. Bc2 Rb6 24. h4) 21. Ng5 Nxa4
22. Bxa4 Bd7 23. h4 ({RR} 23. f4 Nc5) 23... Nc5 24. Bc2 Rh8 {Rogozenco,D (2531)
-Giaccio,A (2505)/Istanbul 2000/EXT 2001/[Rogozenco,D]/1-0 (34)}) 10... b6 ({RR
} 10... Ne8 11. Qd2 f5 12. O-O-O f4 13. Bxc5 dxc5 14. Kb1 Nd6 15. Qe2 Bd7 16.
Nd2 Qf6 17. f3 b6 18. Ba4 Bxa4 19. Nxa4 Rad8 20. Nc3 Rf7 21. Nb5 Nxb5 22. cxb5
Bf8 23. Nc4 Bd6 24. Qd2 Qe7 25. Qc3 {
Alam,M (2097)-Khan,M (1934)/Dhaka 2015/EXT 2017/1/2 (38)}) 11. Qd2 Ba6 12. b3
Qe8 $146 ({RR} 12... Nh5 13. Nh2 Nf4 14. g3 Ng2+ 15. Kf1 Nxe3+ 16. Qxe3 f5 17.
exf5 gxf5 18. Nf3 Qf6 19. Rd1 Bh6 20. Qe2 Rae8 21. Nh4 e4 22. Nb5 Bxb5 23. cxb5
Kh8 24. Ng2 Rg8 25. Nf4 Bxf4 26. gxf4 Qg7 27. Qe3 {
Colpa,H (2043)-Hajdarevic,S (2151)/Kulen Vakuf 2009/CBM 133 Extra/0-1 (37)})
13. Bh6 Kh8 14. Bxg7+ Kxg7 15. g4 b5 16. cxb5 Bxb5 17. Qe3 Na6 18. Nxb5 Qxb5
19. a3 c6 20. dxc6 Qxc6 21. Rc1 Qc5 22. Qxc5 Nxc5 23. Nd2 Rfc8 24. O-O Rc7 25.
f3 Rac8 26. Nc4 d5 27. exd5 Nxd5 28. Rce1 a4 29. Nd2 Nd7 30. Be4 Nf4 31. Kh2
axb3 32. Nxb3 Rc3 33. Rb1 Nc5 34. Nxc5 R8xc5 35. Ra1 Ra5 36. a4 Rc4 37. Rf2
Rcxa4 38. Rxa4 Rxa4 39. g5 Ra1 40. Rd2 Re1 41. h4 Re2+ 42. Rxe2 Nxe2 43. Kh3 f5
44. gxf6+ Kxf6 45. Kg4 h5+ 46. Kh3 Nf4+ 47. Kg3 Ne6 48. Bc6 g5 49. Be8 Ng7 50.
hxg5+ Kxg5 51. Bc6 h4+ 52. Kh3 Nh5 53. Bd7 Nf4+ 54. Kh2 Kf6 55. Bc8 Ke7 56. Ba6
Kd6 57. Bb7 Kc5 58. Be4 Kd4 59. Bc6 Ke3 60. Bb7 Kf2 61. Bc6 Ne6 62. Kh3 Nd4 63.
Bb7 Nxf3 64. Kg4 Nd2 65. Kxh4 e4 66. Bxe4 Nxe4 1/2-1/2

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "4.3"]
[White "Mladenov, Andrey"]
[Black "Anavi, David"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1589"]
[BlackElo "1292"]
[PlyCount "80"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Be7 6. e5 Ne4 7. Re1 d5 8.
exd6 Nxd6 9. Bd5 Bg4 ({RR} 9... O-O 10. Bxc6 bxc6 11. Nxd4 Qd7 12. Nc3 Bf6 13.
Nb3 Qf5 14. Qd3 Qh5 15. Ne4 Nxe4 16. Qxe4 Be6 17. Qxc6 Bd5 18. Qc5 Be5 19. h3
Rae8 20. Bd2 Re6 21. c4 Ba8 22. Bf4 Qg6 23. Bg3 Rfe8 24. Re3 {
Wang,Y (2450)-Wei,Y (2696)/Wuxi 2016/CBM 173 Extra/0-1}) 10. Qe2 $146 ({RR} 10.
Bxc6+ bxc6 11. Qxd4 Bxf3 12. gxf3 O-O 13. Nc3 Bf6 14. Qd3 Rb8 15. Rb1 Re8 16.
Be3 a5 17. b3 g6 18. Ne4 Bg7 19. Rbd1 Nf5 20. Qc4 Qh4 21. Rd7 Re6 22. Rxf7 Rbe8
23. Bg5 Qxg5+ 24. Nxg5 Rxe1+ {
Santiago,G (1714)-Dijkstra,H (1665)/Maastricht 2012/EXT 2013/1-0 (35)}) 10...
Nb4 11. Bb3 Nc6 12. Bg5 h6 13. Bh4 (13. Bxe7 $142 Qxe7 14. Qd3 Be6 15. Bxe6
fxe6 $14) 13... g5 14. Bg3 O-O 15. Nbd2 Bf6 16. Ne4 Re8 17. Nxf6+ $2 (17. Bxd6
cxd6 18. h3 $11) 17... Qxf6 18. Qd3 Bxf3 (18... Bf5 $142 $17) 19. gxf3 Na5 20.
Bd5 c6 21. Be4 Nxe4 22. fxe4 c5 23. e5 Qe6 24. b3 Nc6 25. Qb5 Qe7 (25... h5 26.
h3 h4 27. Bh2 Qxh3 $19) 26. Qe2 Rad8 27. Qh5 Qe6 28. f4 gxf4 29. Bxf4 Kh7 30.
Kh1 Qd5+ 31. Kg1 Rg8+ 32. Bg3 Rg5 33. Qh4 Nxe5 34. Rxe5 Qxe5 35. Rf1 Qe6 36.
Qf4 Qe3+ 37. Qxe3 dxe3 38. Rxf7+ Rg7 39. Rf1 h5 40. Kh1 e2 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "4.4"]
[White "Huebner, Thomas"]
[Black "Sharkov, Venko"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1880"]
[BlackElo "1701"]
[PlyCount "42"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Bb4+ 5. c3 dxc3 6. bxc3 d5 7. Bb3 $146 ({
RR} 7. exd5 Qe7+ ({RR} 7... Bd6 8. O-O O-O 9. Bg5 h6 10. Bh4 Bf5 11. Nd4 Bh7
12. Qb3 c5 13. Nf3 b6 14. Nbd2 a6 15. a4 Nbd7 16. Rfe1 g5 17. Bg3 Bxg3 18. fxg3
Ne8 19. Ne5 Nxe5 20. Rxe5 Nd6 21. Rae1 Qb8 22. Qd1 {
Kotainy,J (2406)-Zhigalko,A (2555)/Bad Wiessee 2011/EXT 2012/0-1 (41)}) ({RR} 
7... Be7 8. O-O O-O 9. Ba3 Bxa3 10. Nxa3 Bg4 11. Nc2 Nbd7 12. Ne3 Bxf3 13. Qxf3
Ne5 14. Qe2 Nxc4 15. Qxc4 Re8 16. Rfe1 Qd7 17. Qb3 b6 18. c4 Ne4 19. f3 Nc5 20.
Qc3 Re7 21. g4 Rae8 22. Nf5 {
Gomez Latorre,J (1951)-Sanjuan Alentado,E/Valencia 2009/EXT 2011/1-0 (45)}) 8.
Be3 Bc5 ({RR} 8... Bd6 9. O-O O-O 10. Qc2 Bg4 11. Nbd2 Nbd7 12. Rfe1 Qd8 13.
Bb3 Re8 14. Bd4 Bh5 15. Rxe8+ Qxe8 16. Re1 Qf8 17. h3 Bg6 18. Qd1 a6 19. c4 Re8
20. Rxe8 Qxe8 21. Qe1 Qxe1+ 22. Nxe1 Kf8 23. Kf1 {
Ishmukhametov,A-Popov,A (1977)/Vung Tau 2008/EXT 2009/1/2 (42)}) 9. O-O Bxe3
10. Re1 O-O 11. Rxe3 Qc5 12. Qd4 Qxd4 13. Nxd4 Nbd7 14. Bb3 Nc5 15. c4 Bd7 16.
Nc3 a6 17. Bc2 Rae8 18. Rae1 Rxe3 19. Rxe3 Re8 20. Nb3 Rxe3 21. fxe3 Nxb3 {
Webb,M (1973)-Mihasi,E/Ohrid 2009/CBM 133/1-0 (40)}) ({RR} 7. Qa4+ Bd7 8. Qxb4
Nc6 9. Qxb7 Na5 10. Qb4 Nxc4 11. exd5 Qe7+ 12. Qxe7+ Kxe7 13. Na3 Nxa3 14.
Bxa3+ Kd8 15. O-O Nxd5 16. Ng5 Re8 17. Nxf7+ Kc8 18. c4 Nc3 19. f4 Re2 20. Rf2
Rb8 21. Ne5 Bf5 {Li,R (2535)-Boor,C (2307)/Dayton 2016/CBM 173 Extra/1-0 (55)})
7... Ba5 8. e5 Ne4 9. Qd3 c6 10. Ba3 Bf5 11. Qe3 Bb6 12. Nd4 Bg6 13. O-O Nd7
14. Qe2 Ndc5 15. Kh1 Qh4 16. Nf3 Qh5 17. Bc2 Ng5 18. e6 fxe6 19. Re1 Nxf3 20.
gxf3 O-O-O 21. Bb3 Bc7 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "4.5"]
[White "Tsenkov, Tsenko"]
[Black "Stefanov, Georgi"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1540"]
[BlackElo "1262"]
[PlyCount "90"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Nc3 cxd5 5. cxd5 Nxd5 6. Bb5+ Bd7 7. Qa4 Nxc3
({RR} 7... Nc7 8. Bxd7+ Qxd7 9. Qb3 Nc6 10. Nf3 e6 11. O-O Be7 12. d4 Na5 13.
Qc2 Na6 14. Qd1 Bf6 15. Bg5 Bxg5 16. Nxg5 h6 17. Nf3 Rd8 18. Re1 O-O 19. d5 Nc7
20. dxe6 Nxe6 21. Qc2 Nd4 22. Nxd4 {
Yazar,O (1285)-Ozenc,B (1491)/Manavgat 2016/CBM 170 Extra/0-1 (75)}) 8. Bxd7+
Qxd7 9. Qxd7+ Nxd7 10. bxc3 $146 ({RR} 10. dxc3 O-O-O 11. Nf3 h6 12. Be3 e6 13.
O-O-O Bc5 14. Rd2 Bxe3 15. fxe3 Nc5 16. Rhd1 Ne4 17. Rxd8+ Rxd8 18. Rxd8+ Kxd8
19. Kc2 Ke7 20. Kd3 Nc5+ 21. Kd4 Nd7 22. c4 Kd6 23. b4 b6 24. a4 a5 {
Farinas Lucas,J (1875)-Gonzalez Rodriguez,M/Madrid 2004/EXT 2005/0-1 (49)})
10... e5 11. Ne2 Be7 12. d4 exd4 13. cxd4 Nf6 14. O-O O-O 15. Rb1 b6 16. Be3
Nd5 17. Ng3 f5 18. Bd2 g6 19. Ne2 Bf6 20. Rfd1 Rfd8 21. Be1 Rac8 22. Rbc1 Re8
23. Kf1 Kf7 24. h3 Ke6 25. Nc3 Nxc3 26. Bxc3 Kd5 27. Bb2 Rxc1 28. Bxc1 Re4 29.
f3 Rxd4 30. Ke2 Rxd1 31. Kxd1 Kc4 32. Kc2 b5 33. a3 g5 34. Bd2 f4 35. Bb4 Bd8
36. Kd2 a5 37. Bf8 b4 38. axb4 axb4 39. Bg7 b3 40. Kc1 Kd3 41. h4 Ke2 42. hxg5
Bxg5 43. Be5 Kf2 44. Kb2 Kxg2 45. Kxb3 Kxf3 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "5.1"]
[White "Anavi, David"]
[Black "Metev, Martin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1292"]
[BlackElo "2062"]
[PlyCount "110"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nge7 7. Bd3 Bd7 8. Bc2
cxd4 9. cxd4 Nf5 10. Bxf5 exf5 11. Nc3 Be6 12. O-O Be7 13. b3 $146 ({RR} 13. b4
O-O 14. Ng5 Qxd4 15. Qxd4 Nxd4 16. Rd1 Nb3 17. Nxe6 fxe6 18. Rb1 Nxc1 19. Rbxc1
a6 20. Na4 Rac8 21. Nb6 Rxc1 22. Rxc1 Bg5 23. Rc7 Rf7 24. Rc8+ Rf8 25. Rc7 Rf7
26. Nd7 h6 27. Rxb7 Re7 {
Somova,N (1963)-Kahancova,I (1634)/Sibenik 2007/CBM 120 Extra/1-0 (36)}) ({RR} 
13. Na4 Qd8 14. b4 O-O 15. Be3 b6 ({RR} 15... Rc8 16. Rc1 Nb8 17. Qd3 Qe8 18.
Nb2 Qd7 19. Nd2 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Qxc8 22. Nb3 b6 23. Nd1 a6 24. Bd2
h6 25. g3 Kf8 26. Ne3 g6 27. Nc1 Nd7 28. a4 Kg7 29. Ne2 Qb7 30. b5 {
Nitish,B (2269)-Lkhamsuren,U (2123)/Prague 2016/CBM 173 Extra/1-0 (85)}) 16.
Qd2 Qd7 17. Nb2 Rfc8 18. Nd3 Rc7 19. Nf4 Rac8 20. Nh5 Qd8 21. Rfc1 Nb8 22. Rxc7
Rxc7 23. Bg5 Bxg5 24. Nxg5 h6 25. Nf3 Nd7 26. h4 Qc8 27. Ne1 Rc4 {
Vitiugov,N (2721)-Werle,J (2555)/Karlsruhe 2016/CBM 171 Extra/1-0 (37)}) ({RR} 
13. Ne2 h6 14. Nf4 O-O 15. b3 Rac8 16. Bb2 Na5 17. Nd2 Rc7 18. Nd3 Rfc8 19. b4
Nc4 20. Nxc4 Rxc4 21. Nc5 Bxc5 22. dxc5 Qb5 23. Rc1 a5 24. Rxc4 Qxc4 25. Qd2
axb4 26. axb4 Ra8 27. Rc1 Qb5 {
Kopaloff,L (1479)-Caliskan,S (1645)/Prague 2016/CBM 174 Extra/0-1 (45)}) 13...
O-O 14. Na4 Qc7 15. Re1 b5 16. Nc5 Nxd4 17. Nxd4 Bxc5 18. Qd3 Qb6 19. Be3 f4
20. Nxe6 fxe3 21. Nxc5 exf2+ 22. Kxf2 Qxc5+ 23. Kf1 Rae8 24. Rec1 Qe7 25. Qxd5
Qxe5 26. Qxe5 Rxe5 27. Re1 Rfe8 28. Rxe5 Rxe5 29. Rd1 g6 30. Kf2 Kg7 31. Rd7 a6
32. Ra7 Re6 33. Kf3 Rc6 34. Ke4 Rc3 35. Rxa6 Rxb3 36. Rb6 h5 37. h3 Kh6 38. Kf4
h4 39. Rb7 Rg3 40. Rxb5 Rxg2 41. Rb3 g5+ 42. Kf5 Rg3 43. Rb2 Rf3+ 44. Ke4 Rxa3
45. Rh2 Kg6 46. Ke5 f6+ 47. Ke4 f5+ 48. Ke5 Re3+ 49. Kd4 f4 50. Rh1 Kf5 51. Rh2
Re8 52. Kd3 f3 53. Rf2 Kf4 54. Rh2 Rd8+ 55. Kc2 Kg3 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "5.2"]
[White "Tsyntsarski, Boyko"]
[Black "Vasilev, Lyuboslav"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1636"]
[BlackElo "1813"]
[PlyCount "83"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5
8. Qxd8+ Kxd8 9. Bg5+ Ke8 10. Rd1 Be6 11. Nd4 Nxd4 12. Rxd4 h6 13. Bh4 g5 14.
Bg3 Rd8 $146 ({RR} 14... Bc5 15. Rd2 Ke7 16. Nc3 Bb4 17. Rad1 Bxc3 18. bxc3
Rad8 19. a3 Rxd2 20. Rxd2 Rd8 21. Rxd8 Kxd8 22. Kf1 Bf5 23. Ke2 Bxc2 24. f4 Kd7
25. Kf3 Ke6 26. fxg5 hxg5 27. Kg4 Be4 28. Kxg5 Bxg2 29. h4 {
Georgiev,N (1506)-Kostov,N (1756)/Sofia 2016/CBM 171 Extra/1/2 (48)}) 15. Rxd8+
Kxd8 16. Nc3 Bf5 17. Rd1+ Kc8 18. Rd2 Bb4 19. a3 Bxc3 20. bxc3 Rd8 21. Rxd8+
Kxd8 22. Kf1 Kd7 23. Ke2 Bxc2 24. Ke3 Ke6 25. Kd4 b6 26. f4 Bb3 27. h4 c5+ 28.
Ke3 gxf4+ 29. Bxf4 h5 30. Bg5 Kxe5 31. Bf4+ Kd5 32. Bxc7 f5 33. g3 Bc2 34. Kd2
Be4 35. Kc1 Kc4 36. Kb2 b5 37. Be5 a6 38. Bd6 Kd5 39. Be7 c4 40. Bd8 Bd3 41.
Bc7 Ke4 42. Bf4 1/2-1/2

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "5.3"]
[White "Sharkov, Venko"]
[Black "Babatov, Martin"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1701"]
[BlackElo "1625"]
[PlyCount "60"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 c6 2. c4 Nf6 3. g3 d5 4. Bg2 Bf5 5. O-O e6 6. b3 Be7 7. Bb2 Nbd7 8. d3
O-O 9. Nh4 ({RR} 9. Qc2 Rc8 10. Nc3 Qc7 11. Nh4 Bg4 12. f4 Bh5 13. e4 Ng4 14.
Nd1 Bxh4 15. gxh4 dxe4 16. dxe4 e5 17. Qc3 Qb6+ 18. Kh1 Qd8 19. Qg3 f5 20. exf5
Rxf5 21. fxe5 Rxf1+ 22. Bxf1 Ndxe5 23. h3 Qd2 {
Burmakin,V (2625)-Strunski,A (2275)/Schwaebisch Gmuend 2009/CBM 128 Extra/1-0})
9... Bg6 10. Nxg6 hxg6 11. Nd2 e5 $146 ({RR} 11... Nh5 12. Qc2 Rc8 13. e4 dxc4
14. Nxc4 Nhf6 15. d4 Qc7 16. Rfd1 b5 17. Ne3 c5 18. Rac1 Qb8 19. d5 e5 20. a4
a6 21. axb5 axb5 22. Bh3 Bd6 23. Ng4 Rcd8 24. Nxf6+ gxf6 25. Ba3 b4 26. Bb2 {
Rat,D (2329)-Papp Zoltan,C (2208)/Hungary 2007/EXT 2008/1/2 (31)}) ({RR} 11...
Qb6 12. Qc2 Rfd8 13. Rac1 a5 14. a3 Bc5 15. e3 d4 16. e4 g5 17. h3 e5 18. Nf3
Nh7 19. Rb1 f6 20. Bc1 Be7 21. h4 g6 22. hxg5 Nxg5 23. Bxg5 fxg5 24. Bh3 Qc7
25. Qd2 Kg7 26. Nxg5 {
Sviridov,V (2517)-Vasilyev,V (2307)/Kolomna 2016/CBM 174/1-0 (47)}) ({RR} 11...
a5 12. d4 Bd6 13. e4 Bb8 14. cxd5 exd5 15. e5 Ne8 16. Ba3 Ba7 17. Bxf8 Bxd4 18.
Ba3 Bxa1 19. Qxa1 Nc7 20. Bb2 Ne6 21. Nf3 Ndc5 22. Nd4 Qc7 23. Nxe6 Nxe6 24.
Qc1 Rd8 25. Rd1 Qb6 26. Bh3 {
Vrtal,J (2057)-Laurincova,K (1739)/Stare Mesto 2015/EXT 2016/1-0}) ({RR} 11...
Qa5 12. cxd5 cxd5 13. e4 Ba3 14. Bxa3 Qxa3 15. exd5 Nxd5 16. Nc4 Qa6 17. Qd2
N7f6 18. Rac1 Rac8 19. Rc2 b5 20. Ne5 Rxc2 21. Qxc2 Rc8 22. Qd2 Qd6 23. d4 Qc7
24. Rd1 Qc2 25. Nd3 Rc3 26. Bf3 {
Wimmer,M (2116)-Contos,V (2105)/Czechia 2012/EXT 2013/1/2 (50)}) 12. e3 Bd6 13.
Rc1 Rc8 14. Qc2 Qe7 15. Rfe1 Rfe8 16. Qb1 Bb8 17. Qa1 Nc5 18. Ba3 Bd6 19. Bxc5
Bxc5 20. d4 Bb4 21. Red1 exd4 22. Qxd4 Bc5 23. Qh4 Ba3 24. Rc2 dxc4 25. Nxc4
Bc5 26. Rcd2 Rcd8 27. Qg5 Rxd2 28. Rxd2 Bb4 29. Rd3 Rd8 30. Qe5 Rxd3 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "5.4"]
[White "Stefanov, Georgi"]
[Black "Huebner, Thomas"]
[Result "0-1"]
[ECO "C31"]
[WhiteElo "1262"]
[BlackElo "1880"]
[PlyCount "28"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. f4 d5 3. exd5 c6 4. fxe5 (4. Nc3 $142) 4... Qh4+ 5. g3 Qe4+ 6. Qe2
Qxh1 7. Nf3 Bh3 $146 ({RR} 7... Bg4 8. Kf2 Qxf3+ ({RR} 8... Bc5+ 9. d4 Bxd4+
10. Nxd4 Bxe2 {
0-1 Vavrinkova,A (1284)-Stastna,M (1119)/Kouty nad Desnou 2014/EXT 2015}) 9.
Qxf3 Bxf3 10. Kxf3 cxd5 11. d4 Nc6 12. c3 f6 13. Bb5 fxe5 14. Bxc6+ bxc6 15.
dxe5 Bc5 16. b4 Bb6 17. Bf4 Ne7 18. Nd2 O-O 19. h4 Ng6 20. Re1 Rae8 21. Kg4 h5+
22. Kg5 {Acunzo,D (1745)-Swannie,D (1947)/Liscate 2011/EXT 2014/0-1}) 8. dxc6
Nxc6 9. e6 Qxf1+ 10. Qxf1 Bxf1 11. Kxf1 fxe6 12. d4 Nf6 13. Na3 h6 14. Bd2
O-O-O 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "5.5"]
[White "Tsenkov, Tsenko"]
[Black "Mladenov, Andrey"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1540"]
[BlackElo "1589"]
[PlyCount "91"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Bc4 Nf6 3. Nc3 d6 4. Nf3 e6 5. e5 dxe5 6. Nxe5 Be7 7. Bb5+ Nbd7 8.
d3 O-O 9. Nxd7 Bxd7 10. Bxd7 Qxd7 11. O-O a6 $146 ({RR} 11... b6 12. Qf3 h6 13.
Bf4 b5 14. Rad1 b4 15. Ne4 Nxe4 16. dxe4 Qa4 17. Qg3 Bg5 18. Bxg5 hxg5 19. Qxg5
Qxc2 20. Qe5 Rfd8 21. Rxd8+ Rxd8 22. Qh5 Qxe4 23. h3 Rd2 24. Qxc5 Rxb2 25. Qc8+
Kh7 26. f3 {Szabo,M-Carjan,I/Buzias 2002/EXT 2008/0-1}) 12. Qf3 Nd5 13. Nxd5
exd5 14. Re1 Bf6 15. c3 Rfe8 16. Bd2 Rad8 17. Rab1 c4 18. d4 b5 19. a3 a5 20.
Kf1 b4 21. Rxe8+ Rxe8 22. axb4 axb4 23. h3 Qa4 24. Qd1 Qxd1+ 25. Rxd1 Ra8 26.
Rb1 b3 27. Ke2 Kf8 28. f4 Ke7 29. Kf3 g6 30. Kg4 h5+ 31. Kf3 Ra2 32. g4 hxg4+
33. hxg4 Kd6 34. f5 Kc6 35. g5 Be7 36. f6 Bd6 37. Bf4 Bf8 38. Bd2 Ra8 39. Re1
Kd7 40. Bf4 Ra2 41. Re2 Ba3 42. Bc1 Ra1 43. Re1 Bxb2 (43... Rxc1 $1 44. Rxc1
Bxb2 45. Rh1 Bxc3 46. Ke3 Bb4 $19) 44. Re7+ Kc6 45. Bxb2 Ra2 (45... Rb1 $1 46.
Re2 Rg1 47. Rg2 Rf1+ 48. Rf2 Rg1 49. Kf4 Kb5 50. Ke5 Kc6 51. Kf4 $11) 46. Re2
$138 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "6.1"]
[White "Metev, Martin"]
[Black "Huebner, Thomas"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2062"]
[BlackElo "1880"]
[PlyCount "41"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re1 Qh4
15. g3 Qh3 16. Qf3 Bg4 17. Qxd5 Rae8 18. Be3 Re6 19. Nd2 Rfe8 20. a4 f5 $146 ({
RR} 20... bxa4 21. Rxa4 Rh6 ({RR} 21... Kh8 22. Nf3 f6 23. Raa1 Re4 24. Nd2 Bb8
25. Qc6 R8e6 26. Qd5 f5 27. f4 {1/2 Calzetta Ruiz,M-Gutierrez,C/Oviedo 1992/TD}
) 22. Qg2 Qh5 23. Rea1 Rhe6 24. Rxa6 Bh3 25. Qf3 Bg4 26. Qb7 Bh3 27. Ra7 Bf4
28. Nf1 Bxe3 29. fxe3 Bf5 30. R1a5 Qg6 31. Ra8 Be4 32. Rxe8+ Rxe8 33. Re5 f6
34. Qb3+ Kh8 35. Rxe8+ {Martinez de Negri,A (2137)-Cristal,A (1794)/Villa
Martelli 2015/EXT 2017/1-0 (37)}) 21. Bf4 1-0

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "6.2"]
[White "Babatov, Martin"]
[Black "Vasilev, Lyuboslav"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1625"]
[BlackElo "1813"]
[PlyCount "122"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 c6 3. Bf4 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Nf3 Nh5 7. Be5 ({RR} 7.
Bg5 Be7 8. Bxe7 Qxe7 9. Bd3 O-O 10. Qc2 Nhf6 11. cxd5 exd5 12. g4 Re8 13. h3
Nb6 14. O-O-O Be6 15. Ng5 h6 16. Nxe6 Qxe6 17. Bf5 Qe7 18. h4 Ne4 19. Bxe4 dxe4
20. g5 h5 21. g6 Nd5 {
Grischuk,A (2792)-Carlsen,M (2881)/Dubai 2014/CBM 160 Extra/1/2 (56)}) 7...
Nxe5 ({RR} 7... Be7 8. Bd3 O-O 9. Qc2 g6 10. h4 f5 11. O-O-O Nhf6 12. h5 Nxh5
13. g4 Ng7 14. Rh6 Nxe5 15. Nxe5 Bf6 16. f4 Bxe5 17. dxe5 Bd7 18. Qh2 Kf7 19.
gxf5 exf5 20. Rxh7 Rh8 21. Rg1 {
1-0 Erdos,V (2579)-Kovacevic,B (2490)/Prague 2016/CBM 173 Extra}) 8. Nxe5 Nf6
9. c5 Be7 $146 ({RR} 9... Qc7 10. Bd3 Bxc5 11. Nxf7 Qxf7 12. dxc5 O-O 13. O-O
e5 14. f3 Qe7 15. b4 a5 16. a3 Be6 17. Qc2 Qc7 18. Na4 axb4 19. axb4 e4 20.
fxe4 Ng4 21. Rxf8+ Rxf8 22. g3 Rf2 23. Qxf2 Nxf2 24. Kxf2 {
Alkon,G-Rzoczek,C (1589)/Dortmund 2005/EXT 2007/0-1 (42)}) 10. b4 Bd7 11. Bd3
b6 12. O-O O-O 13. Qc2 h6 14. Rfb1 b5 15. a4 a6 16. axb5 axb5 17. Ra2 Qc7 18.
Rba1 Qb7 19. Qb2 Rxa2 20. Qxa2 Rb8 21. Qa7 g6 22. Qxb7 Rxb7 23. Ra6 Rc7 24. Ne2
Kg7 25. Nc1 Bd8 26. Nb3 Rc8 27. Ra7 Be8 28. Nxg6 Nd7 29. Nf4 e5 30. Ne2 e4 31.
Bc2 f5 32. Na5 Kf6 33. Nf4 Nf8 34. Bd1 Ne6 35. Nxe6 Kxe6 36. g4 Bc7 37. gxf5+
Kxf5 38. h3 h5 39. Ra6 Bb8 40. Kh1 Kg5 41. Be2 Kh4 42. Bf1 Bd7 43. Ra8 Rf8 44.
Bg2 Bd6 45. Rxf8 Bxf8 46. Kh2 Be7 47. Nb7 Bc8 48. Na5 Bd7 49. Nb7 Be8 50. f3
exf3 51. Bxf3 Bg5 52. e4 dxe4 53. Bxe4 Bf4+ 54. Kg2 Bd7 55. Nd8 Bxh3+ 56. Kh1
Kg3 57. Nxc6 h4 58. d5 Bf1 59. Nd4 h3 60. Nf5+ Kf2 61. Nh4 Bg3 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "6.3"]
[White "Mladenov, Andrey"]
[Black "Tsyntsarski, Boyko"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1589"]
[BlackElo "1636"]
[PlyCount "50"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Be7 7. Bd3 O-O 8. O-O
dxc4 9. Bxc4 Nd5 $146 ({RR} 9... h6 10. a4 Nc6 11. h3 Nb4 12. Bf4 Nbd5 13. Bh2
Nxc3 14. bxc3 Bd7 15. Ne5 Rc8 16. Qb3 Bc6 17. Nxc6 Rxc6 18. Bd3 Rb6 19. Qc2 Bd6
20. Be5 g6 21. Bxf6 Qxf6 22. Be4 Bc7 23. Rab1 Rxb1 24. Rxb1 {
Stevens,B-Santasiere,A/New Orleans 1954/EXT 2010/1/2 (47)}) ({RR} 9... Bd7 10.
Ne5 Bc6 11. Re1 Bd5 12. Nxd5 Nxd5 13. Qb3 Nc6 14. Nxc6 bxc6 15. Bxd5 cxd5 16.
Bf4 Bf6 17. Red1 Qb6 18. Qxb6 axb6 19. a3 Rfc8 20. Rac1 Rxc1 21. Bxc1 Rc8 22.
Be3 Rc2 23. Rb1 Kf8 24. Kf1 {Kharlov,A (2613)-Shipov,S (2588)/
chessassistantclub.com INT 2004/CBM 104 Extra/1/2 (38)}) ({RR} 9... b6 10. Bf4
({RR} 10. Qe2 Bb7 11. Rd1 Nd5 12. Ne5 Nxc3 13. bxc3 Nc6 14. Rd3 Na5 15. Rh3
Nxc4 16. Nxc4 Qd5 17. Ne3 Qe4 18. f3 Qc6 19. Bd2 f5 20. f4 Rf6 21. Rg3 Qe4 22.
Qf3 Qxf3 23. gxf3 Rc8 24. Nd1 Rh6 {
Szily,J-Karaklajic,N/Bad Liebenstein 1963/EXT 2000/0-1 (37)}) ({RR} 10. Qc2 Nc6
11. Re1 Nd5 12. Ne4 Rb8 13. a4 Na5 14. Be2 Nb7 {
1-0 Geisler,R-Klank,R/Detmold 1972/EXT 2001}) 10... Bb7 11. Be2 Nc6 12. a3 Rc8
13. Rc1 Nd5 14. Nxd5 Qxd5 15. Bc4 Qf5 16. Be3 Na5 17. Bd3 Rxc1 18. Bxc1 Be4 19.
Bxe4 Qxe4 20. Re1 Qd5 21. Re5 Qc4 22. Re2 Rc8 23. Be3 Bf6 24. h3 {
Demirkilic,K (1583)-Karasu,T/Manavgat 2016/CBM 170 Extra/0-1 (70)}) 10. Nxd5
exd5 11. Bd3 Nc6 12. h3 Bf6 13. Bf4 Qb6 14. Qc2 g6 15. Bd6 Nxd4 16. Nxd4 Qxd6
17. Nb5 Qd8 18. Nc7 Rb8 19. Rad1 Bxh3 20. gxh3 Rc8 21. Rc1 Be5 22. Qa4 Bxc7 23.
Qxa7 Qg5+ 24. Kh1 Qf4 25. Rxc7 Rxc7 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "6.4"]
[White "Sharkov, Venko"]
[Black "Stefanov, Georgi"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1701"]
[BlackElo "1262"]
[PlyCount "66"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 Nc6 2. e4 e5 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 Nxc6 8.
Bc4 Nd5 9. Nxf7 Kxf7 10. Qf3+ Qf6 11. Qxd5+ $146 ({RR} 11. Bxd5+ Ke8 ({RR} 
11... Ke7 12. Qxf6+ gxf6 13. Nc3 Bf5 14. d3 Rd8 15. Be3 a6 16. Bc5+ Ke8 17.
Bxf8 Rxf8 18. Bxc6+ bxc6 19. Ne4 Rg8 20. Nxf6+ Kf7 21. Nxg8 Rxg8 22. g3 e4 23.
d4 Re8 24. O-O-O Be6 25. a3 Rc8 26. Rhe1 {
Krys,J-Karbusicky,O/Czechia 2001/EXT 2003/1-0 (33)}) 12. Bxc6+ Qxc6 13. Qxc6+
bxc6 14. O-O Bd6 15. Re1 Kf7 16. b3 Re8 17. d3 Bf5 18. f3 Bc5+ 19. Kh1 Bd4 20.
c3 Bb6 21. Be3 Bxd3 22. Bxb6 axb6 23. Nd2 Re7 24. Ne4 Bxe4 25. Rxe4 c5 {
Klink,E (1512)-Garamow,A (1273)/Rotenburg 2008/EXT 2009/1-0 (58)}) 11... Be6
12. Qxe6+ Qxe6 13. Bxe6+ Kxe6 14. c3 Bc5 15. O-O Rhf8 16. b4 Bb6 17. a4 a6 18.
Ba3 Rf5 19. c4 a5 20. b5 Nb4 21. Nc3 Nd3 22. Nd5 Bd4 23. Nc7+ Kd7 24. Nxa8 Nxf2
25. g3 Bxa1 26. Rxf2 Bd4 27. Kg2 Rxf2+ 28. Kh3 Rxd2 29. c5 Ra2 30. Nb6+ Kc7 31.
Nc4 b6 32. c6 Bc5 33. Bb2 e4 0-1

[Event "178th open MGU 7-8 January 2017"]
[Site "Sofia"]
[Date "2017.01.08"]
[Round "6.5"]
[White "Anavi, David"]
[Black "Tsenkov, Tsenko"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1292"]
[BlackElo "1540"]
[PlyCount "50"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. c3 g6 3. d4 b6 4. Be3 ({RR} 4. Nf3 Bb7 5. Bd3 Bg7 6. d5 d6 7. c4
Nd7 8. O-O Ngf6 9. h3 O-O 10. Nc3 Ne5 11. Nxe5 dxe5 12. a3 Ne8 13. b4 Nd6 14.
Be3 cxb4 15. axb4 Nxc4 16. Bxc4 Qc7 17. Qe2 Rfc8 18. Ba6 f5 {
Gavrilov,A (2440)-Abou el Zein,E (2351)/Pardubice 1999/EXT 2000/1-0}) 4... cxd4
$146 ({RR} 4... d6 5. Bc4 e6 6. Nf3 Bb7 7. Nbd2 Nd7 8. O-O Bg7 9. Bf4 Qc7 10.
Ng5 Ngf6 11. Bxe6 O-O 12. Bxd7 Qxd7 13. d5 Nh5 14. Be3 h6 15. Nh3 Rae8 16. f3
Bxd5 17. Bxh6 Bxh6 18. exd5 Nf4 19. Nxf4 {
Kovacs,G (1949)-Safar,I (1728)/Budapest 2015/CBM 167 Extra/1-0 (57)}) ({RR} 
4... Qc7 5. Nd2 ({RR} 5. d5 Bg7 6. h3 Nf6 7. Nd2 O-O 8. Bc4 e6 9. Ne2 exd5 10.
Bxd5 Nxd5 11. exd5 Re8 12. O-O d6 13. Ng3 Nd7 14. Nf3 Nf6 15. Qd3 a5 16. Rfe1
a4 17. Bg5 Bd7 18. Qd2 b5 19. a3 Rab8 {
Sercer,Z (2101)-Zrilic,B (1968)/Croatia 2010/EXT 2012/0-1 (48)}) 5... Bg7 6.
Rc1 Nf6 7. Bc4 Bb7 8. f3 O-O 9. Ne2 d5 10. Bd3 e5 11. O-O Nbd7 12. Ng3 Rae8 13.
Bb5 a6 14. Bxd7 Nxd7 15. Bf2 Qd6 16. dxc5 Nxc5 17. Nc4 Qc7 18. exd5 Nd7 19. b3
{Smutny,J (2188)-Mudra,T (2182)/Czechia 2011/EXT 2012/1-0 (47)}) 5. cxd4 Bg7 6.
Nc3 Bb7 7. Nf3 e6 8. Rc1 a6 9. Qb3 Ne7 10. d5 b5 11. d6 Nec6 12. Bd3 O-O 13.
O-O Ne5 14. Be2 Nbc6 15. Qd1 Nxf3+ 16. Bxf3 Ne5 17. b3 Rc8 18. Bd2 Rc6 19. Be2
Rxd6 20. f4 Qb6+ 21. Kh1 Nd3 22. Bxd3 Rxd3 23. e5 Qd4 24. Rc2 f6 25. Qe2 fxe5
0-1

