[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "1.1"]
[White "Georgiev, Nikolay Zh."]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "1588"]
[BlackElo "1918"]
[PlyCount "74"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Nc3 Bc5 3. Nf3 Nc6 4. Nxe5 Bxf2+ 5. Kxf2 Nxe5 6. d4 Nc6 7. Be3 d6
8. Bc4 Nf6 9. h3 O-O 10. Rf1 Nxe4+ 11. Nxe4 d5 12. Bd3 $146 ({RR} 12. Bxd5 Qxd5
13. Nc3 Qf5+ 14. Kg1 Qg6 15. Kh2 Ne7 16. Bf4 c6 17. Qd2 Bf5 18. Rf2 Rad8 19.
Ne2 Nd5 20. c3 Nxf4 21. Nxf4 Qd6 22. Kg1 Bc8 23. Nd3 f6 24. Re1 Rfe8 25. Rfe2
Rxe2 26. Rxe2 Bf5 {
Kolev,L (1866)-Gelemerov,Y (2036)/Sofia 2016/CBM 171 Extra/1/2 (76)}) 12...
dxe4 13. Bxe4 Qh4+ 14. Kf3 Re8 15. Bxc6 bxc6 16. Qd3 Be6 17. Rf2 Rad8 18. Ke2
c5 19. Kf1 Bxh3 20. Re1 cxd4 21. Bd2 Be6 22. Rf4 Qe7 23. Rxd4 c5 24. Rxd8 Rxd8
25. Qe3 h6 26. b3 Rd5 27. Bc3 Rg5 28. Qf4 Qb7 29. Qe4 Bd5 30. Qe8+ Kh7 31. Re7
Qa6+ 32. Ke1 Rxg2 33. Re2 Rg6 34. a4 Bf3 35. Re3 Qd6 36. Kf2 Qg3+ 37. Kf1 Qg1#
0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "1.2"]
[White "Andreev, Dobrotich"]
[Black "Simeonov, Daniel"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1829"]
[BlackElo "1576"]
[PlyCount "33"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. dxe5 Nxe5 6. Nxe5 Bxb5 7. Nxf7 Qe7 (
{RR} 7... Kxf7 8. Qd5+ Ke7 9. Qxb5 b6 10. Nc3 Nf6 11. Bg5 a6 12. Qf5 Ke8 13.
Rd1 Be7 14. O-O Rf8 15. Bxf6 Bxf6 16. Qxh7 Qe7 17. Nd5 Qf7 18. c3 Rd8 19. Rfe1
Be5 20. Rf1 b5 21. Qf5 Bf6 22. Rfe1 {
Koerbel,T (1309)-Weber,S (1017)/Germany 2016/EXT 2017/1-0 (36)}) 8. Nxh8 Qxe4+
9. Be3 Qxg2 10. Qh5+ $146 ({RR} 10. Kd2 Nf6 11. Nc3 Bc4 ({RR} 11... Ne4+ 12.
Nxe4 Qxe4 13. Qh5+ g6 14. Qxb5+ c6 15. Qxb7 Qd5+ 16. Ke2 Qc4+ 17. Ke1 Rd8 18.
Qb3 Qxb3 19. axb3 Bg7 20. Rxa7 Bxh8 21. Rxh7 Bxb2 22. Rg1 {
1-0 Macedo,M (2112)-Eliezer,E/Joao Pessoa 2010/CBM 137 Extra}) 12. Qg1 Qc6 13.
Ng6 hxg6 14. Qxg6+ Bf7 15. Qf5 d5 16. Rae1 Be7 17. Bg5 Kf8 18. Kc1 Re8 19. Bxf6
Bxf6 20. Rxe8+ Kxe8 21. Re1+ Kd8 22. Qh3 b5 23. Qh8+ Kd7 24. Nxd5 Qxd5 {
Jaumandreu Llopis,A (1553)-Rodriguez Gomez,J (1709)/Madrid 2012/CBM 151 Extra/
0-1 (48)}) 10... Kd7 11. Qxb5+ Ke6 12. Qb3+ Kd7 13. Rf1 Nh6 14. Nc3 Re8 15.
O-O-O Qf3 16. Qb5+ Kd8 17. Rfe1 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "1.3"]
[White "Mladenov, Andrey"]
[Black "Ivanov, Daniel"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1552"]
[BlackElo "1758"]
[PlyCount "52"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. d4 b6 3. Nf3 Bb7 4. Bd3 d5 5. e5 Nd7 ({RR} 5... Qd7 6. Qe2 c5 7. c3
Ne7 8. O-O Nec6 9. Be3 cxd4 10. cxd4 Nb4 11. Bb5 Bc6 12. Nc3 Bxb5 13. Nxb5 a6
14. Nc3 Be7 15. Ng5 Bxg5 16. Bxg5 N4c6 17. Rad1 h6 18. Bh4 g5 19. Bg3 Ne7 20.
f3 {Matlakov,M (2694)-Pridorozhni,A (2556)/St Petersburg 2015/CBM 166 Extra/
1-0 (51)}) 6. O-O c5 ({RR} 6... f6 7. Re1 Ne7 8. exf6 Nxf6 9. Ng5 Bc8 10. Nxe6
Bxe6 11. Rxe6 Kf7 12. Rxf6+ Kxf6 13. Qf3+ Ke6 14. Nc3 c6 15. Bf4 g6 16. Re1+
Kd7 17. Qh3+ Ke8 18. Bxg6+ hxg6 19. Qxh8 Qd7 20. Qf6 Kd8 21. Qxf8+ {
Muhammed,S (1692)-Matsebula,Q (1301)/Baku 2016/EXT 2017/1-0}) 7. c3 Rc8 $146 ({
RR} 7... c4 8. Bc2 g6 ({RR} 8... b5 9. Qe2 Nb6 10. Bg5 Be7 11. Bxe7 Qxe7 12.
Nbd2 Bc6 13. a3 a5 14. Qe3 g6 15. Ng5 h5 16. h3 Nh6 17. Ndf3 O-O-O 18. Nh4 Rdg8
19. f4 a4 20. Rae1 Be8 21. Qg3 Nd7 22. Re2 Nb8 23. Ngf3 {
Colombo Berra,F (2225)-Tugnarelli,J/Mar del Plata 1992/EXT 1998/1/2 (45)}) 9.
a4 Bh6 10. Na3 Bc6 11. Re1 a6 12. Bxh6 Nxh6 13. Qd2 Ng8 14. Qf4 Qe7 15. b3 cxb3
16. Bxb3 h5 17. c4 dxc4 18. Nxc4 Nh6 19. Nd6+ Kf8 20. d5 Bxd5 21. Bxd5 exd5 22.
e6 {Michelberger,T-Bohne,L/Bellheim 1994/GER/1/2}) ({RR} 7... Ne7 8. Bf4 Nc6 9.
Nbd2 a6 10. Rc1 c4 11. Bc2 b5 12. b3 Nb6 13. Re1 a5 14. Ng5 h6 15. Nh3 b4 16.
Nb1 bxc3 17. Nxc3 Bb4 18. Bb1 Qe7 19. Rf1 Ba6 20. Ne2 Ba3 21. Rc2 Bb5 22. Bc1 {
Jansen,P (2070)-Rikumahu,F/Vlissingen 1997/CBM 058 Extra/0-1 (60)}) 8. Bg5 Be7
9. Bxe7 Nxe7 10. Na3 c4 11. Bc2 Bc6 12. Ng5 h6 13. Qh5 g6 14. Qh4 Nf5 15. Bxf5
Qxg5 16. Qxg5 hxg5 17. Bc2 Ke7 18. g3 Rh6 19. Kg2 Rch8 20. Rh1 Rh3 21. Nb1 g4
22. Nd2 g5 23. Nf1 f6 24. exf6+ Nxf6 25. Ne3 e5 26. dxe5 d4+ 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "1.4"]
[White "Kostov, Nikolay"]
[Black "Dimova, Mariya"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1631"]
[BlackElo "1434"]
[PlyCount "77"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. d4 d5 2. e3 Nf6 3. Bd3 Nc6 4. f4 Bg4 5. Nf3 e5 $146 ({RR} 5... e6 6. c3 ({RR
} 6. O-O Ne7 7. c3 Bxf3 8. Rxf3 Nf5 9. Qb3 Qc8 10. c4 Nd6 11. Nd2 Be7 12. Qc2
dxc4 13. Nxc4 Nxc4 14. Qxc4 O-O 15. b4 a5 16. b5 c5 17. Ba3 Rd8 18. dxc5 Nd7
19. Rc1 Nxc5 20. Bxc5 Qxc5 {
Piankov,E (2328)-Danilov,I (2374)/Pedrido 2004/EXT 2005/1/2 (58)}) ({RR} 6.
Nbd2 Bb4 7. c3 Bd6 8. Qe2 O-O 9. O-O Re8 10. h3 Bf5 11. e4 dxe4 12. Nxe4 Bxe4
13. Bxe4 Nxe4 14. Qxe4 f5 15. Qe2 a6 16. Re1 Qf6 17. Bd2 h6 18. Rad1 b5 19. a4
bxa4 20. Qc4 Nb8 {Lebel Arias,J (1802)-Aster,M/Baku 2016/CBM 174 Extra/1-0 (78)
}) 6... Bd6 ({RR} 6... Ne4 7. Nbd2 f5 8. Qb3 Nxd2 9. Bxd2 Bxf3 10. gxf3 Rb8 11.
Ke2 Be7 12. Rag1 O-O 13. Rg2 b5 14. Qd1 Na5 15. b3 Rf7 16. h4 c6 17. h5 Nb7 18.
Qg1 Kh8 19. e4 Nd6 20. e5 Nb7 21. Rg6 {Lee,F-Mason,J/London 1899/HCL/1-0 (39)})
7. h3 Bf5 8. Qc2 Ne7 9. g4 Bxd3 10. Qxd3 c6 11. Nbd2 Qc7 12. Ne5 O-O 13. Rg1 c5
14. Nf1 Ne4 15. Bd2 f6 16. Nf3 e5 17. dxe5 fxe5 18. f5 c4 19. Qc2 Nc5 20. O-O-O
{Lee,F-Showalter,J/Cable 1899/EXT 2002/1/2 (48)}) ({RR} 5... Ne4 6. c4 e6 7.
O-O Be7 8. Nc3 Nxc3 9. bxc3 dxc4 10. Bxc4 O-O 11. Rb1 Na5 12. Bd3 c5 13. Qc2 g6
14. Ne5 Bf5 15. e4 f6 16. exf5 fxe5 17. fxg6 exd4 18. Qe2 dxc3 19. Qxe6+ Kh8
20. Qh3 {Schroeder,H-Kunze,K/Leipzig 1951/EXT 2001/1-0}) 6. fxe5 Ne4 7. O-O Be7
8. c4 O-O 9. cxd5 Ng5 10. dxc6 Nxf3+ 11. gxf3 Bh3 12. cxb7 Rb8 13. Nc3 Bh4 14.
f4 g5 15. Qh5 f5 16. Qf3 g4 17. Qd5+ Qxd5 18. Nxd5 Rxb7 19. b3 c6 20. Nf6+ Bxf6
21. exf6 Rxf6 22. Rf2 h5 23. Bb2 h4 24. Bc4+ Kh7 25. d5 Rg6 26. dxc6 Re7 27.
Be5 Rxc6 28. Rd1 g3 29. Rc2 Rg6 30. Rd8 gxh2+ 31. Kxh2 Rxe5 32. fxe5 Rg3 33. e6
Rxe3 34. e7 Bg4 35. e8=Q Rh3+ 36. Kg1 Rg3+ 37. Rg2 Rxg2+ 38. Kxg2 h3+ 39. Kh2
1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "1.5"]
[White "Nenchev, Georgi"]
[Black "Grabchev, Plamen"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1404"]
[BlackElo "1324"]
[PlyCount "69"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. Nf3 b6 2. c4 c5 3. Nc3 Bb7 4. d3 ({RR} 4. g3 Bxf3 5. exf3 Nc6 6. Bg2 g6 7.
O-O Bg7 8. f4 Nh6 9. a3 O-O 10. b4 Rc8 11. Rb1 Nf5 12. Ne4 Ncd4 13. d3 e6 14.
bxc5 bxc5 15. Bd2 d5 16. Nc3 dxc4 17. dxc4 Nd6 18. Qa4 Qe8 {
Nguyen,N (2567)-Kraai,J (2502)/Beijing 2008/CBM 126 Extra/1-0 (39)}) 4... h6
$146 ({RR} 4... e6 5. e4 ({RR} 5. Bf4 Nf6 ({RR} 5... d6 6. e3 Nf6 7. Be2 Be7 8.
h3 h6 9. O-O a6 10. Nd2 O-O 11. Bf3 d5 12. Re1 Bd6 13. cxd5 Bxf4 14. dxe6 Bxf3
15. exf7+ Kh8 16. Qxf3 Ra7 17. exf4 Raxf7 18. Rad1 Nh7 19. g3 g5 20. Qd5 {
Gates,C (1712)-Heredia,J (1778)/Montreal 2013/EXT 2014/0-1 (46)}) 6. e3 Be7 7.
Be2 O-O 8. O-O Nc6 9. h3 Rc8 10. Rc1 d5 11. d4 cxd4 12. cxd5 dxc3 13. dxc6 cxb2
14. cxb7 bxc1=Q 15. Qxc1 Rxc1 16. Rxc1 Bd6 17. Ba6 Bxf4 18. exf4 Qd6 19. Ne5
Nd7 {Cruz Pereyra,A (1947)-Cuellar Elisvan,D (2323)/Cochabamba 2013/CBM 154
Extra/0-1}) 5... Nc6 6. a3 Nge7 7. Bf4 a6 8. Bd6 Ng6 9. Bg3 d6 10. Be2 Be7 11.
h4 O-O 12. h5 Nge5 13. Nxe5 dxe5 14. O-O Bg5 15. f4 exf4 16. Bxf4 Bxf4 17. Rxf4
Ne5 18. Qe1 Qg5 19. Qf2 {
Luca,I (2050)-Pietruszewski,M (2163)/Shrivenham 2016/CBM 174 Extra/0-1 (38)})
5. e3 e6 6. Be2 a6 7. O-O Nc6 8. Ne4 d5 9. Ng3 dxc4 10. dxc4 Qxd1 11. Rxd1 Rd8
12. Rxd8+ Kxd8 13. b3 Be7 14. Bb2 Bf6 15. Bxf6+ Nxf6 16. Rd1+ Ke7 17. a3 Rd8
18. Rxd8 Kxd8 19. Nd2 Ne5 20. Nh5 Nxh5 21. Bxh5 g6 22. Be2 h5 23. e4 Kd7 24. f3
Bc6 25. Kf2 b5 26. h4 bxc4 27. bxc4 f5 28. Nb3 Kd6 29. exf5 exf5 30. Ke3 Ba4
31. Nd2 Bc6 32. Kf4 Nf7 33. g4 fxg4 34. fxg4 hxg4 35. Kxg4 1/2-1/2

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "2.1"]
[White "Gelemerov, Yane"]
[Black "Kostov, Nikolay"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1918"]
[BlackElo "1631"]
[PlyCount "75"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 h6 5. f4 Bb4 6. Nf3 d6 7. O-O Bc5+ ({RR} 
7... O-O 8. Nd5 ({RR} 8. Qe1 Bc5+ 9. Kh1 a6 10. fxe5 dxe5 11. Qg3 Kh7 12. Nd5
Nh5 13. Qe1 Qd6 14. Qh4 Qg6 15. Nxc7 Rb8 16. Nd5 f5 17. Be3 Bd6 18. exf5 Bxf5
19. Qe1 e4 20. Nh4 Qg4 21. Nxf5 Rxf5 22. Rxf5 Ng3+ {
Gazikova,V (2213)-Shivacheva,D (2063)/Khanty-Mansiysk 2016/EXT 2017/1-0 (33)})
8... Bc5+ 9. Kh1 Bg4 {1/2 So,W (2531)-Dao,T (2530)/Manila 2007/CBM 122 Extra})
8. Kh1 Bg4 9. Bb5 $146 ({RR} 9. Na4 Bxf3 10. Rxf3 Nd4 11. Rg3 O-O 12. Nxc5 exf4
13. Nxb7 Qb8 14. Bxf4 g5 15. Bxg5 hxg5 16. Rxg5+ Kh7 17. Qe1 Kh8 18. Qh4+ Nh7
19. Rh5 Qe8 20. Rxh7+ Kg8 21. Rh8+ Kg7 22. Qh6# {
1-0 Witbrodt,J (1668)-Sliwicka,A/Chelmza 2009/EXT 2012}) 9... a6 10. Bxc6+ bxc6
11. fxe5 dxe5 12. Qe1 Bxf3 13. Rxf3 O-O 14. Qg3 Qd6 15. Rf5 Nd7 16. Bd2 Qg6 17.
Qh3 Rfd8 18. Raf1 f6 19. R1f3 Kf7 20. Rh5 Bf8 21. Be3 Ke8 22. Qe6+ Be7 23. Rhh3
c5 24. Nd5 Qf7 25. Nxc7+ Kf8 26. Qxf7+ Kxf7 27. Nxa8 Rxa8 28. Rf1 Rb8 29. b3
Nf8 30. Rhf3 Nd7 31. h4 Rb7 32. g4 Kg6 33. Kg2 Nb8 34. g5 Kh5 35. gxh6 gxh6 36.
Rg3 Nc6 37. Kh3 Nd4 38. Bxd4 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "2.2"]
[White "Ivanov, Daniel"]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1758"]
[BlackElo "1829"]
[PlyCount "98"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Ne2 Bg4 7. f3 Bh5 8. Nf4
({RR} 8. O-O e6 9. Bf4 ({RR} 9. Bg5 Bd6 10. Bh4 Qb6 11. Qb3 Qc7 12. Bg3 Bg6 13.
Qc2 Bxg3 14. Nxg3 Nxd4 15. Qa4+ Nc6 16. Bxg6 hxg6 17. Nd2 Qb6+ 18. Rf2 O-O 19.
Nb3 Rac8 20. Rd1 Ne5 21. Qd4 Qxd4 22. Nxd4 a6 23. Nb3 Nc4 {
Gyovai,J (1273)-Boa,B (1688)/Hungary 2016/EXT 2017/0-1 (50)}) 9... Bd6 10. Nd2
Bg6 11. Nb3 {1/2 Minasian,A (2597)-Anastasian,A (2574)/Yerevan 2005/CBM 107})
8... Bg6 9. Nxg6 hxg6 10. Be3 $146 ({RR} 10. Qb3 Qd7 11. Be3 e6 12. Nd2 Bd6 13.
O-O-O Rc8 14. Kb1 Rxh2 15. Rxh2 Bxh2 16. Rh1 Bd6 17. g4 Ke7 18. Bg5 Qc7 19. Re1
Bg3 20. Re2 Kd7 21. Bb5 a6 22. Bxc6+ Qxc6 23. Nf1 Bd6 24. Ne3 Rh8 {
Garmannslund,V (1595)-Woldseth,O (1773)/Sotra 2002/EXT 2005/0-1 (31)}) ({RR} 
10. O-O e6 11. f4 Bd6 12. g3 Qc7 13. Kg2 O-O-O 14. Be3 Ne7 15. Qf3 Nf5 16. Bg1
Kb8 17. Nd2 Rh6 18. Rfc1 Rdh8 19. Bxf5 gxf5 20. c4 dxc4 21. Nxc4 Qd7 22. Rc2
Rc8 23. Rac1 Rhh8 24. h3 Rc7 {
Zhou,W (2310)-Liang,C (2560)/Hebei 2001/EXT 2002/1/2 (85)}) ({RR} 10. g4 Qc7
11. Qc2 e6 12. Be3 Bd6 13. h3 O-O-O 14. a4 Bf4 15. Qd2 Bxe3 16. Qxe3 Qg3+ 17.
Qf2 Rxh3 18. Qxg3 Rxg3 19. Kf2 Nh5 20. gxh5 Rg5 21. hxg6 fxg6 22. Nd2 e5 23.
Rag1 Rxg1 24. Rxg1 exd4 {Koutsogiannopoulou,T (1912)-Petrakis,E (1497)/
Heraklion 2015/CBM 167 Extra/1-0 (34)}) 10... Qc7 11. Qb3 O-O-O 12. Nd2 e5 13.
Bb5 exd4 14. cxd4 Na5 15. Qc3 Qxc3 16. bxc3 Bd6 17. Kf2 a6 18. Bd3 Rde8 19.
Rae1 Bxh2 20. Bg5 Rxe1 21. Rxe1 Nh5 22. Nf1 Bd6 23. Be7 Kd7 24. Bxd6 Kxd6 25.
Nd2 Nf4 26. Bf1 Rc8 27. Re3 Ne6 28. g3 Rc6 29. Nb3 Nc4 30. Bxc4 Rxc4 31. Rd3 b6
32. Ke3 Nc7 33. Nc1 Nb5 34. Ne2 Rc8 35. Kd2 Na3 36. Ke3 Rh8 37. f4 Rh1 38. Kf2
Nc4 39. g4 Ra1 40. Rh3 Rxa2 41. Rh7 Ke7 42. Rxg7 Kf8 43. Rh7 Kg8 44. Rh2 a5 45.
Kg3 Rc2 46. Kf3 a4 47. Rh1 a3 48. Ra1 a2 49. g5 Nd2+ 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "2.3"]
[White "Simeonov, Daniel"]
[Black "Nenchev, Georgi"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1576"]
[BlackElo "1404"]
[PlyCount "57"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. Nf3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Be2 Be7 6. O-O O-O 7. c4 Qd8 8. a3
({RR} 8. Nc3 Nbd7 9. h3 b6 10. Be3 Bb7 11. Qc2 Re8 12. Rfd1 Nf8 13. a3 Ng6 14.
Ne5 {1/2 Colovic,D (2318)-Drazic,S (2406)/Novi Sad 2016/CBM 171 Extra}) 8... c5
9. Be3 $146 ({RR} 9. dxc5 Bxc5 10. b4 Be7 11. Bb2 a5 12. b5 Nbd7 13. Nc3 Qc7
14. Qc2 b6 15. Ne4 Bb7 16. Bd3 Nxe4 17. Bxe4 Bxe4 18. Qxe4 Bf6 19. Bxf6 Nxf6
20. Qe2 Rac8 21. Ne5 Nd7 22. Nc6 Nb8 23. Nxb8 Qxb8 {
Foyfopoylos,A (1515)-Vazelakis,D (1950)/Greece 2007/EXT 2008/1/2 (33)}) 9...
Qb6 10. dxc5 Qxb2 11. Bd4 Qxa1 12. Bxa1 Bxc5 13. Bxf6 gxf6 14. Qb3 Nc6 15. Rd1
e5 16. Nc3 Nd4 17. Nxd4 Bxd4 18. Nd5 Kh8 19. Nxf6 Bf5 20. Qxb7 Rad8 21. Qf3 Bg6
22. Nh5 f5 23. Qc6 f4 24. h3 Bc2 25. Rc1 Bf5 26. Bg4 Bb2 27. Qb7 Bd4 28. Qc6
Rd7 29. Bxf5 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "2.4"]
[White "Grabchev, Plamen"]
[Black "Georgiev, Nikolay Zh."]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1324"]
[BlackElo "1588"]
[PlyCount "74"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Bg4 4. Bxf6 ({RR} 4. h3 Bh5 5. e3 e6 6. Bd3 Nbd7 7.
O-O Be7 8. c4 dxc4 9. Bxc4 O-O 10. Nc3 c6 11. Qd3 Bxf3 12. Bxf6 Nxf6 13. e4 Bh5
14. e5 Nd5 15. Qe4 Qd7 16. Bd3 Bg6 17. Qf3 Bxd3 18. Qxd3 Nxc3 {
Turak,L (2500)-Babinszki,M/Hungary 2010/EXT 2011/0-1 (36)}) 4... exf6 5. Nbd2
f5 $146 ({RR} 5... Nd7 6. g3 Bb4 7. c3 Ba5 8. Bg2 O-O 9. O-O c6 10. Rc1 Re8 11.
Re1 Bc7 12. b4 b5 13. a4 a6 14. Ra1 h6 15. Nb3 f5 16. Qc2 f4 17. Qd3 fxg3 18.
fxg3 Qe7 19. Kh1 Nb6 20. Ng1 {
Robert,V (1243)-Markus,M (1357)/Balatonlelle 2016/CBM 173 Extra/1/2 (52)}) 6.
h3 Bh5 7. a3 Bd6 8. e3 O-O 9. Be2 Re8 10. Nh2 Bxe2 11. Qxe2 f4 12. c4 fxe3 13.
fxe3 Qh4+ 14. Kd1 Bf4 15. Qg4 Bg3 16. Qxh4 Bxh4 17. Nhf3 Bf2 18. cxd5 Bxe3 19.
Re1 Nd7 20. Nc4 Bf4 21. Nfe5 Nf6 22. d6 b5 23. d7 Re7 24. Na5 Bxe5 25. Rxe5
Rxe5 26. dxe5 Nxd7 27. Nc6 a6 28. Kd2 Re8 29. Re1 Re6 30. Rc1 Nxe5 31. Nxe5
Rxe5 32. Rxc7 g6 33. b4 Kg7 34. Rc5 Rxc5 35. bxc5 Kf6 36. Kd3 Ke5 37. c6 Kd6
0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "2.5"]
[White "Dimova, Mariya"]
[Black "Mladenov, Andrey"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1434"]
[BlackElo "1552"]
[PlyCount "74"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 ({RR} 4... g6 5. Nbd2 Bg7 6. a3 O-O 7.
Be2 d5 8. O-O Qc7 ({RR} 8... c4 9. exd5 cxd3 10. dxc6 dxe2 11. Qxe2 bxc6 12.
Re1 Nd5 13. Ne4 Qb6 14. c4 Ba6 15. Qc2 Nc7 16. Rb1 Ne6 17. Be3) 9. Re1 Rd8 ({RR
} 9... b6 10. Bf1 dxe4 11. dxe4 Bb7 12. Qc2 Rad8 13. b4 cxb4 14. cxb4 Rc8 15.
Rb1) 10. Bf1 e5 11. b4 c4) 5. e5 ({RR} 5. Nbd2 Bg4 ({RR} 5... e5 6. a3 Be7 7.
b4 a6 8. Be2 O-O 9. O-O Bg4 10. Bb2 Qc7 11. Re1 dxe4 12. dxe4 Rad8 13. Qc2 Nh5
14. Nc4) 6. Be2 e6 7. O-O Be7 8. Re1 O-O 9. Qc2 Qc7 10. Nf1 Rad8 ({RR} 10... c4
11. exd5 ({RR} 11. dxc4 dxe4 12. Ng5 Bf5 13. Ng3 Bd6 ({RR} 13... e3 14. Nxf5
exf2+ 15. Kxf2 exf5 16. Qxf5 Qxh2)) 11... cxd3 12. Bxd3 Bxf3 13. dxc6 Bxc6) 11.
Bg5 d4 12. N1d2 ({RR} 12. c4 Nxe4 13. Bxe7 Qxe7 14. dxe4 d3 15. Bxd3 Nb4) 12...
h6 13. Bh4 ({RR} 13. Bxf6 Bxf6 14. Nxd4 ({RR} 14. c4) ({RR} 14. cxd4 Bxf3 15.
Nxf3 Nxd4 16. Nxd4 Bxd4) 14... cxd4 15. Bxg4 dxc3 16. bxc3 Nb4) 13... dxc3 14.
bxc3 Nh5 15. Bxe7 Qxe7 16. g3 ({RR} 16. h3 Bxf3 17. Nxf3 Nf4) 16... Nf6 17.
Reb1 ({RR} 17. Rab1) ({RR} 17. e5 Nd7 18. d4 ({RR} 18. Bf1 f6 19. exf6 ({RR} 
19. Nh4 Ndxe5 20. f4 g5 21. fxe5 gxh4 22. exf6 Qxf6 23. Ne4 Qf5) 19... Qxf6 20.
Re4 Bf5 21. Re3 Nb4 22. Qb2 Nd5) 18... Nb6 19. Nb3 Bxf3 20. Bxf3 cxd4 21. cxd4
({RR} 21. Bxc6 d3) 21... Nxd4 22. Nxd4 Rxd4) 17... b6 18. Bf1 Nd7 19. a4 Qf6 {
Hickl,J (2565)-Hracek,Z (2605)/Bad Homburg 1997/CBM 060/[Har Zvi]/0-1 (37)} ({
RR} 19... Nde5 20. Nxe5 Nxe5 21. a5)) 5... Nd7 6. d4 e6 7. Bd3 ({RR} 7. Be3 Qb6
8. b3 cxd4 9. cxd4 Bb4+ 10. Ke2 f6 11. a3 Qa6+ 12. Qd3 Qxd3+ 13. Kxd3 fxe5 14.
Ng5 exd4 15. Bxd4 Nde5+ 16. Bxe5 Nxe5+ 17. Kc2 Be7 18. Bb5+ Bd7 19. Bxd7+ Kxd7
20. f4 Rac8+ 21. Kd2 Bxg5 {Ossa Ramirez,J (1697)-Munoz Galvez,J (2347)/
Villamaria 2016/CBM 173 Extra/0-1 (31)}) 7... cxd4 $146 ({RR} 7... Qb6 8. Bc2
cxd4 ({RR} 8... f6 9. O-O cxd4 10. cxd4 Be7 11. Nc3 a6 12. a3 Qc7 13. Bf4 fxe5
14. Nxe5 Ndxe5 15. Qh5+ Kd7 16. dxe5 Qd8 17. Nxd5 g6 18. Qh3 Nd4 19. Rad1 Ke8
20. Bxg6+ Kf8 21. Bh6+ Kg8 22. Bh5 Bg5 23. Nf6+ {
Corroto Jimenez,J (2051)-Baeza Escudero,J (1885)/Madrid 2007/EXT 2009/1-0}) 9.
cxd4 Nb4 10. O-O ({RR} 10. Nc3 Qa6 11. Bb1 Nb6 12. a3 Bd7 13. Ng1 Rc8 14. Nge2
Na8 15. O-O Nc7 16. Be3 b6 17. Qd2 Nc6 18. Bd3 Qb7 19. b4 a6 20. f4 g6 21. g4
h5 22. f5 gxf5 23. gxf5 Rg8+ 24. Kh1 exf5 {
Erkelenz,R (1943)-Naundorf,M (2026)/Dortmund 2004/EXT 2006/1-0 (51)}) 10...
Nxc2 11. Qxc2 Be7 12. Nc3 O-O 13. Rd1 Re8 14. Ne2 Nf8 15. b3 Bd7 16. Bb2 Ng6
17. Qd2 Rac8 18. Rac1 Qa6 19. Ba1 Ba3 20. Bb2 Bb5 21. Re1 Bxe2 22. Rxe2 {
Haddad,J-Tabbane,N/Buenos Aires 1978/EXT 2000/0-1 (34)}) 8. Bb5 dxc3 9. bxc3
Be7 10. Bf4 Qb6 11. Ba4 Qb2 12. O-O b5 13. Bb3 Qxa1 14. Qc2 b4 15. Ba4 Bb7 16.
a3 a5 17. Nfd2 bxa3 18. Nxa3 Qxa3 19. Be3 Nc5 20. Bb3 Nxb3 21. Nxb3 Qa4 22. f4
Qe4 23. Qd2 a4 24. Nc5 Bxc5 25. Bxc5 Kd7 26. Re1 Qc4 27. Qe3 a3 28. f5 a2 29.
fxe6+ fxe6 30. Ra1 Rhf8 31. Bxf8 Rxf8 32. Qb6 Rf1+ 33. Rxf1 Qxf1+ 34. Kxf1
a1=Q+ 35. Kf2 Qa6 36. Qc5 Qa7 37. Qxa7 Nxa7 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "3.1"]
[White "Andreev, Dobrotich"]
[Black "Gelemerov, Yane"]
[Result "1/2-1/2"]
[ECO "C64"]
[WhiteElo "1829"]
[BlackElo "1918"]
[PlyCount "116"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. d3 d6 5. Be3 Bxe3 $146 ({RR} 5... Bb6 6. h3 (
{RR} 6. Bxb6 axb6 7. d4 exd4 8. Qxd4 Nf6 9. e5 dxe5 10. Qxe5+ Be6 11. Nc3 O-O
12. Bxc6 bxc6 13. O-O Re8 14. Rfd1 Qc8 15. Qd4 h6 16. a3 Bg4 17. Rd3 Bf5 18.
Rd2 Ne4 19. Nxe4 Rxe4 20. Qc3 Qe6 {
Langrock,H (2398)-Stocek,J (2559)/Rakovnik 2008/CBM 125 Extra/0-1 (54)}) ({RR} 
6. Nbd2 Nf6 ({RR} 6... Nge7 7. c3 O-O 8. Nc4 Bxe3 9. Nxe3 a6 10. Ba4 Bd7 11.
O-O Kh8 12. Nh4 g6 13. d4 Nc8 14. Nf3 Nb6 15. Bc2 f6 16. Qe2 Qe8 17. Rfe1 Qf7
18. Rad1 Rae8 19. d5 Ne7 20. Rd2 f5 21. Ng5 {
Dos Santos,N-Rios Filho,H (2168)/Rio de Janeiro 2014/CBM 158 Extra/0-1 (44)})
7. Qe2 O-O 8. h3 Bd7 9. Nc4 Nd4 10. Bxd4 Bxb5 11. Bxb6 axb6 12. O-O Re8 13. Ne3
d5 14. c4 dxc4 15. dxc4 Bc6 16. Rfd1 Qc8 17. Nd5 Bxd5 18. cxd5 Ra4 19. Nd2 Qd7
20. Nc4 b5 {
Suliborski,J (2092)-Stepien,J (1946)/Krakow 2016/CBM 170 Extra/0-1 (59)}) ({RR
} 6. c3 Nf6 7. h3 O-O 8. O-O Ne7 9. Nbd2 c6 10. Ba4 Ng6 11. d4 Qe7 12. Bc2 Rd8
13. Qe2 Nh5 14. Rfd1 Nhf4 15. Qf1 Qf6 16. Kh2 Be6 17. dxe5 dxe5 18. Ng1 Rd7 19.
a4 Rad8 20. Ndf3 Ne7 {Nedsevedski,G-Bogoljubow,E/Tallinn 1930/EXT 2016/1-0 (46)
}) 6... f5 7. exf5 Bxf5 8. Bxb6 axb6 9. d4 exd4 10. O-O Nge7 11. Nxd4 O-O 12.
Nxf5 Rxf5 13. Bd3 Rf6 14. Nc3 Qd7 15. Qd2 Raf8 16. Rae1 Kh8 17. Re3 Ne5 18. Rg3
Nf5 19. Bxf5 Rxf5 20. Nd1 {Duras,O-Prokes,L/Prague 1905/EXT 1999/1-0 (45)}) 6.
fxe3 Nf6 7. O-O O-O 8. Qe1 Ne7 9. Nbd2 Ng6 10. Nh4 Nxh4 11. Qxh4 Be6 12. Rf3
Ng4 13. Qg3 Qe7 14. Raf1 Nh6 15. d4 Rad8 16. d5 Bc8 17. Be2 f5 18. Bd3 fxe4 19.
Rxf8+ Rxf8 20. Rxf8+ Qxf8 21. Bxe4 Ng4 22. h3 Nf6 23. Qf3 b5 24. c3 Bb7 25. b3
g6 26. g4 Qf7 27. c4 Kg7 28. g5 Nxe4 29. Qxf7+ Kxf7 30. Nxe4 bxc4 31. bxc4 Ba6
32. Nd2 Bc8 33. h4 Bf5 34. e4 Bg4 35. c5 Ke7 36. Kf2 Bd1 37. Ke3 Bc2 38. Nc4
Bb1 39. a3 Ba2 40. Na5 dxc5 41. Nc6+ Kd6 42. Nxa7 Bc4 43. a4 Bb3 44. a5 Bc4 45.
Nc6 Bb5 46. Na7 Ba6 47. Kd2 Bf1 48. Nc6 Bb5 49. Nb8 c6 50. a6 Bxa6 51. Nxa6
cxd5 52. exd5 Kxd5 53. Ke3 e4 54. Nc7+ Ke5 55. Ne8 Kf5 56. Nf6 h6 57. Nxe4 hxg5
58. hxg5 c4 1/2-1/2

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "3.2"]
[White "Georgiev, Nikolay Zh."]
[Black "Ivanov, Daniel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1588"]
[BlackElo "1758"]
[PlyCount "66"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Qb6 5. Bd3 Nc6 6. O-O cxd4 7. a3 ({RR} 7. Re1
Bd7 8. a3 a5 9. Ng5 Be7 10. Qh5 g6 11. Qf3 Nxe5 12. Rxe5 f6 13. c4 dxc4 14.
Bxc4 Qc7 15. Re1 Qxc4 16. Nd2 Qa6 17. Nde4 h6 18. Nh3 e5 19. Qg3 Kf7 20. Bd2
Qe6 21. f4 f5 {Felgaer,R (2509)-Giaccio,A (2517)/Pinamar 2002/CBM 088/1-0 (37)}
) 7... Bd7 ({RR} 7... g6 8. b4 Bg7 9. Re1 a6 10. Bb2 Bd7 11. Nbd2 Nge7 12. Nb3
O-O 13. Nbxd4 a5 14. b5 Na7 15. a4 Nf5 16. Nb3 Rac8 17. Qd2 Qd8 18. Qxa5 Qxa5
19. Nxa5 b6 20. Nb3 Rc7 21. g4 Nh6 22. g5 {
Villavieja,B (2094)-Hughey,L (1599)/Edmonton 2016/EXT 2017/1-0 (58)}) 8. Nbd2
a5 9. Re1 Be7 $146 ({RR} 9... Nge7 10. a4 Ng6 11. Nb3 Bb4 12. Bd2 O-O 13. Bxb4
Qxb4 14. Bxg6 fxg6 15. Nfxd4 Nxd4 16. Qxd4 Rfc8 17. Qxb4 axb4 18. Nd4 Rxa4 19.
Rxa4 Bxa4 20. Nxe6 Rxc2 21. Nf4 d4 22. h4 Rxb2 23. e6 Rc2 24. Re4 {
Darchia,D (2040)-Kasanicky,R/Bratislava 1993/EXT 1997/1-0 (35)}) 10. Nf1 f5 11.
exf6 Nxf6 12. Ng3 O-O 13. b3 Bd6 14. Bb2 e5 15. Bf1 Rae8 16. c4 dxc3 17. Bxc3
Bc5 18. Ra2 Kh8 19. Ree2 d4 20. Ba1 Bg4 21. Ne4 Nxe4 22. Rxe4 Bf5 23. Re1 e4
24. Nd2 e3 25. Nc4 Qc7 26. Rae2 exf2+ 27. Rxf2 Rxe1 28. Qxe1 d3 29. Ne3 Qe7 30.
Rf3 Re8 31. Kf2 Bg6 32. a4 Nb4 33. Bc3 Nc2 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "3.3"]
[White "Kostov, Nikolay"]
[Black "Simeonov, Daniel"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1631"]
[BlackElo "1576"]
[PlyCount "93"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. d4 g6 2. c4 Bg7 3. Nc3 c6 4. e4 d6 5. Be3 e6 ({RR} 5... Qc7 6. Qd2 ({RR} 6.
Nf3 Bg4 7. Be2 Nd7 8. Ng1 Bxe2 9. Ngxe2 Ngf6 10. f3 O-O 11. Qd2 e5 12. d5 cxd5
13. cxd5 a6 14. O-O b5 15. Rac1 {
1/2 Schein,K (2189)-Leitner,K (2153)/Austria 2016/EXT 2017}) 6... e5 7. O-O-O
a6 8. f4 f6 9. Nf3 Bg4 10. Be2 Bxf3 11. Bxf3 Nd7 12. dxe5 dxe5 13. Bg4 Rd8 14.
Rhf1 Nh6 15. Bxd7+ Rxd7 16. Qxd7+ Qxd7 17. Rxd7 Kxd7 18. fxe5 fxe5 19. Na4 Rf8
20. Rd1+ {Matsuura,E (2473)-Pelikian,J (2407)/Sao Paulo 2004/CBM 100 Extra/1/2}
) 6. Qd2 b6 7. Nf3 $146 ({RR} 7. Bd3 Ne7 8. Nge2 a5 9. Bh6 O-O 10. Bxg7 Kxg7
11. h4 f5 12. h5 Rh8 13. hxg6 hxg6 14. O-O-O Ng8 15. Rxh8 Kxh8 16. exf5 exf5
17. g4 Qf6 18. g5 Qe7 19. Qf4 Ra7 20. Rh1+ Kg7 21. Qh4 Kf8 {
Nemec,J (1730)-Groll,Z/Klatovy 2000/EXT 2003/1-0 (33)}) 7... Bb7 8. g4 Nd7 9.
O-O-O Qc7 10. Kb1 O-O-O 11. h4 h6 12. Rc1 Kb8 13. Be2 Ne7 14. Bf4 e5 15. Bg3
Ka8 16. b4 f5 17. gxf5 gxf5 18. Rhg1 Bf6 19. d5 Nf8 20. dxc6 Bxc6 21. Nd5 Bxd5
22. cxd5 Qd7 23. Bd3 fxe4 24. Bxe4 Nfg6 25. Qd3 Nf4 26. Bxf4 exf4 27. Nd4 Qa4
28. Qb3 Qxb3+ 29. Nxb3 Kb7 30. h5 Rhg8 31. Nd2 Bd4 32. Rxg8 Rxg8 33. Nc4 Nc8
34. Bf5 Be5 35. f3 Ne7 36. Be6 Rg2 37. Nxe5 dxe5 38. d6 Nc6 39. Bd5 Rd2 40.
Bxc6+ Kc8 41. d7+ Kd8 42. Rg1 Kc7 43. b5 e4 44. Bxe4 Rxd7 45. Rg6 Kd8 46. Rxh6
Rf7 47. Rh7 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "3.4"]
[White "Mladenov, Andrey"]
[Black "Grabchev, Plamen"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1552"]
[BlackElo "1324"]
[PlyCount "43"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 b6 2. d4 Bb7 3. Nc3 Nf6 4. Bd3 ({RR} 4. f3 e6 5. Bd3 c5 6. Nge2 Nc6 7.
Be3 d5 8. dxc5 Bxc5 9. Bxc5 bxc5 10. exd5 exd5 11. O-O O-O 12. a3 Ne7 13. b3
Qc7 14. Bb5 a6 15. Ba4 d4 16. Nb1 Nfd5 17. Re1 Ne3 18. Qd3 N7f5 {
Rahulan,T (1378)-Hymer,B (1877)/Bournemouth 2016/CBM 173 Extra/0-1 (38)}) 4...
h6 $146 ({RR} 4... g6 5. Nf3 Bg7 6. O-O d5 7. e5 Ne4 8. Re1 f5 9. exf6 Nxf6 10.
Bg5 Nc6 11. Re6 Qd7 12. Qe2 O-O-O 13. Bxf6 Bxf6 14. Bb5 Kb8 15. Re1 Rde8 16. h3
h5 17. a3 g5 18. Qd3 g4 19. hxg4 {
Awat,A-Abur Amolo,L/Turin 2006/CBM 112 Extra/1/2}) ({RR} 4... a6 5. Nf3 g6 6.
O-O d6 7. Re1 h6 8. e5 Nd5 9. e6 f5 10. Nh4 Qc8 11. Nxg6 Rg8 12. Nxd5 Bxd5 13.
Qh5 Kd8 14. Qxf5 c6 15. c4 Bxg2 16. Kxg2 Kc7 17. Bf4 Qe8 18. Bg3 c5 19. dxc5 {
Bui,V (2448)-Dang,T (2261)/Dong Nai 1995/EXT 2011/1-0}) ({RR} 4... d5 5. exd5 (
{RR} 5. e5 Ne4 6. Nge2 Nxc3 7. Nxc3 e6 8. O-O f6 9. Qh5+ Kd7 10. Nb5 Be7 11.
Qf7 Qf8 12. Qxf8 Bxf8 13. exf6 gxf6 14. Bf4 Bd6 15. Bh6 Nc6 16. Bg7 Rhg8 17.
Bxf6 Raf8 18. Nxd6 Kxd6 19. Bh4 Rf4 {
Guglia,G (1500)-De Dominicis,A (1453)/Ceriano Laghetto 2008/EXT 2010/1-0 (34)})
5... Nxd5 6. Nxd5 Qxd5 7. Nf3 Qh5 8. Be2 e6 9. Bf4 Bd6 10. Ng5 Qh6 11. Bf3 Bxf4
12. Bxb7 Qxg5 13. Bxa8 c6 14. Qf3 Kd7 15. O-O Qh6 16. g3 Bd6 17. c4 f5 18. d5
f4 19. Bxc6+ {Zaleski,J-Bekker,B/Warsaw 1959/EXT 2002/1-0 (33)}) 5. Nf3 e6 6.
O-O c5 7. e5 Nd5 8. Nxd5 Bxd5 9. c4 Bxf3 10. Qxf3 Nc6 11. Be4 Nxd4 12. Qa3 a5
13. Bxa8 Nc2 14. Qc3 Nxa1 15. Be4 Be7 16. Be3 Bg5 17. Rxa1 f6 18. Bg6+ Kf8 19.
exf6 Bxf6 20. Qd2 Bg5 21. Rd1 Qf6 22. Bb1 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.04"]
[Round "3.5"]
[White "Nenchev, Georgi"]
[Black "Dimova, Mariya"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1404"]
[BlackElo "1434"]
[PlyCount "117"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Bc5 4. e3 Nf6 5. Nxe5 ({RR} 5. a3 d6 6. b4 Bb6 7.
Be2 a5 8. Rb1 e4 9. Ng5 Bf5 10. Qc2 axb4 11. axb4 Qe7 12. Nd5 Nxd5 13. cxd5
Qxg5 14. dxc6 Qxg2 15. Rf1 bxc6 16. Qxc6+ Ke7 17. Bb2 Bd7 18. Qd5 Be6 19. Qh5
Qg6 {Petursson,M (2520)-Teske,H (2475)/Berlin 2015/CBM 168 Extra/0-1}) ({RR} 5.
d4 Bb4 6. Qc2 d6 7. a3 Bxc3+ 8. Qxc3 Bf5 9. dxe5 Ne4 10. Qb3 Rb8 11. Be2 dxe5
12. O-O O-O 13. Rd1 Qf6 14. Bd2 Rfd8 15. Bc3 b6 16. Rxd8+ Rxd8 17. Rd1 Rxd1+
18. Qxd1 Qd8 19. Bxe5 Qxd1+ {
Vatutin,P (1390)-Dolonov,I/Ulyanovsk 2016/CBM 170 Extra/1-0 (52)}) 5... O-O
$146 ({RR} 5... Nxe5 6. d4 Bxd4 ({RR} 6... Qe7 7. dxc5 Qxc5 8. Qd4 Qxd4 9. exd4
Nc6 10. Nb5 Kd8 11. d5 Re8+ 12. Be2 Nb4 13. Kd1 Ne4 14. Be3 d6 15. Nd4 Nc5 16.
a3 Nba6 17. b4 Ne4 18. Rc1 Bd7 19. Bd3 Ba4+ 20. Ke2 Nf6 21. f3 {
Nadasi,E-Galko,A (1849)/Hungary 2007/EXT 2009/1-0}) 7. exd4 Nc6 8. Be3 O-O 9.
Be2 d5 10. O-O dxc4 11. Bxc4 Ng4 12. h3 Nf6 13. Bd3 Kh8 14. Ne2 b6 15. Rc1 Ne7
16. Qc2 Nfd5 17. Ng3 f5 18. Bg5 h6 19. Bxe7 Qxe7 20. Qc6 {
Hotchkin,W-Bixby,G/USA 1874/EXT 2015/1-0 (32)}) ({RR} 5... Bxe3 6. dxe3 Nxe5 7.
Be2 O-O 8. b3 d6 9. Bb2 Nfg4 10. h3 Qh4 11. g3 Qh6 12. Nd5 Re8 13. Bxe5 Nxe5
14. Nxc7 Bf5 15. Nxe8 Rxe8 16. Qd4 Nc6 17. Qf4 Qe6 18. g4 Bg6 19. Rd1 Ne5 20.
h4 {Skypala,O (1538)-Vantuch,L (1602)/Kouty nad Desnou 2015/EXT 2017/1-0 (48)})
6. Nxc6 bxc6 7. d4 Be7 8. Be2 d5 9. O-O Bf5 10. c5 h6 11. Bd3 Bg4 12. Qc2 Qd7
13. Bd2 Kh8 14. Rae1 Rg8 15. f3 Bh5 16. Bf5 Qd8 17. g4 g6 18. Bd3 Qd7 19. h3
Rg7 20. Re2 Rag8 21. Rg2 Bxg4 22. fxg4 h5 23. Be2 Qe6 24. Rf4 Nh7 25. e4 Ng5
26. Kh2 dxe4 27. Nxe4 Nxh3 28. Bc4 Qd7 29. Rxf7 Rxf7 30. Bxf7 Rg7 31. Bb3 hxg4
32. d5 Qf5 33. Ng3 Qf3 34. Bc3 Bf6 35. Qe2 Nf4 36. Qxf3 gxf3 37. Bxf6 Nxg2 38.
Bxg7+ Kxg7 39. Bd1 Ne1 40. d6 cxd6 41. cxd6 Kf7 42. Kg1 f2+ 43. Kxf2 Nd3+ 44.
Ke3 Nxb2 45. Bb3+ Ke8 46. Kd4 a5 47. Kc5 a4 48. Be6 Nd3+ 49. Kxc6 Kd8 50. Ne4
Ne5+ 51. Kb5 a3 52. Kb4 Nd3+ 53. Kxa3 Nf4 54. Bg4 Nd5 55. Kb3 Nb6 56. a4 Nc8
57. Bxc8 Kxc8 58. Kc4 Kd7 59. Kd5 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "4.1"]
[White "Gelemerov, Yane"]
[Black "Mladenov, Andrey"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1918"]
[BlackElo "1552"]
[PlyCount "33"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nf6 6. Bc4 e6 7. d3 Be7 8. O-O
O-O 9. Ne5 Nbd7 10. Qe2 a6 11. a4 Qc7 $2 $146 {Äèàãðàììà #} ({RR} 11... Nb6 12.
Bb3 Nbd5 13. Bd2 Qc7 14. a5 Bd6 15. Rae1 b6 16. axb6 Qxb6 17. Nc4 Qc7 18. g3
Bb7 19. Ne4 Be7 20. Ba5 Qb8 21. f5 exf5 22. Rxf5 Bc8 23. Nxf6+ Nxf6 24. Re5 Bd6
25. Nxd6 Qxd6 26. Bc3 {
Cruz,A (2244)-Andrade,M (2157)/Santa Cruz 2003/EXT 2004/1/2 (49)}) (11... Nxe5
$142 $11) 12. Bd2 (12. Nxf7 Kxf7 13. Bxe6+ Ke8 14. Re1 $16) 12... b6 $2 (12...
Bd6 $142 $11) 13. Rae1 (13. Nxf7 Kxf7 14. Rae1 $16) 13... Re8 $4 {Äèàãðàììà #}
(13... Bd6 $142 $14) 14. Nxf7 Kxf7 15. Qxe6+ Kg6 16. Qf7+ Kh6 17. f5+ 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "4.2"]
[White "Kostov, Nikolay"]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1631"]
[BlackElo "1829"]
[PlyCount "116"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. a3 c6 5. cxd5 exd5 6. Bg5 Be7 7. e3 O-O 8. Nc3
Nbd7 9. Bd3 Re8 10. O-O Ne4 11. Bxe7 Qxe7 12. Qc2 Nf8 13. Bxe4 dxe4 14. Nd2 Bf5
({RR} 14... f5 15. Rac1 Ng6 16. g3 Qg5 17. Rce1 Be6 18. f4 Qg4 19. Qd1 Qh3 20.
Qe2 Rad8 21. b4 b6 22. Nc4 h5 23. Ne5 Nxe5 24. fxe5 c5 25. bxc5 bxc5 26. d5
Rxd5 27. Nxd5 Bxd5 28. Qb5 Bf7 29. Qxc5 {
Dimitrov,M (2067)-Hristov,A (2272)/Sunny Beach 2009/CBM 130 Extra/1-0 (51)})
15. b4 a6 $146 ({RR} 15... Qe6 16. Ne2 Rad8 17. Nb3 Nd7 18. Na5 Rb8 19. Rac1
Nb6 20. Nb3 Nd5 21. Nc3 Nxc3 22. Qxc3 Qg6 23. Kh1 Qh5 24. f3 exf3 25. gxf3 Bh3
26. Rf2 Qh4 27. Qd2 Rbd8 28. Rg1 Re7 29. Rg3 f6 30. Re2 {
Lieb,H (2275)-Behrhorst,F (2320)/Germany 1985/GER-chT/1/2 (51)}) 16. Nc4 Qg5
17. Kh1 Re6 18. Qd2 Rh6 19. f4 Qh5 20. g3 Nd7 21. Ne5 Nf6 22. Qe2 Qh3 23. Kg1
Ng4 24. Nxg4 Bxg4 25. Qf2 f5 26. Na4 Qh5 27. Nb6 Rd8 28. Nc4 Be2 29. Rfc1 Bxc4
30. Rxc4 Qf7 31. Rc5 Rhd6 32. Rac1 g6 33. Qc2 Qe6 34. Qc4 Kf7 35. Qxe6+ Kxe6
36. a4 Kd7 37. b5 axb5 38. axb5 Ra8 39. bxc6+ Rxc6 40. Rxc6 bxc6 41. Rc2 Kd6
42. Kf2 Ra5 43. h4 Kd5 44. Rb2 c5 45. dxc5 Rxc5 46. Rd2+ Kc4 47. Rc2+ Kb4 48.
Rd2 Kc3 49. Ra2 Rb5 50. h5 Rb2+ 51. Rxb2 Kxb2 52. g4 Kc2 53. hxg6 hxg6 54. gxf5
gxf5 55. Ke2 Kc3 56. Ke1 Kd3 57. Kf2 Kd2 58. Kf1 Kxe3 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "4.3"]
[White "Ivanov, Daniel"]
[Black "Nenchev, Georgi"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1758"]
[BlackElo "1404"]
[PlyCount "117"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qc7 ({RR} 4... Qa5 5. dxc5 Qc7 6. Nf3 Bxc5 7.
Bd3 Nc6 8. Bf4 Nge7 9. Bg3 Bd7 10. Nbd2 a6 11. O-O Ng6 12. Re1 Nce7 13. Nb3 Ba7
14. h4 Nc6 15. h5 Nge7 16. Bh4 h6 17. Rc1 Qb6 18. Qd2 Na5 19. Nxa5 {
Khairullin,I (2544)-Isaev,Y (2328)/Moscow 2008/CBM 122 Extra/1-0 (35)}) 5. a3
$146 ({RR} 5. Nf3 a6 ({RR} 5... Ne7 6. a3 Bd7 7. Be2 Nbc6 8. b4 cxd4 9. cxd4
Rc8 10. O-O a6 11. Bb2 Ng6 12. g3 Na7 13. Nc3 Be7 14. h4 f5 15. Rc1 Qd8 16. Na4
Rxc1 17. Bxc1 Bb5 18. Bxb5+ Nxb5 19. Ng5 Qc8 20. Nc5 {
Giesen,D-Boehm,S/Marbach 1973/EXT 2009/0-1 (51)}) 6. Be2 b5 7. O-O c4 8. a3 Ne7
9. Bg5 Ng6 10. b4 Be7 11. Bxe7 Qxe7 12. Nbd2 Bb7 13. g3 O-O 14. h4 Re8 15. Ng5
h6 16. Nh3 Nd7 17. Bh5 Nh8 18. f4 g6 19. Bf3 Nb6 {
Kosturkov,K (1650)-Nenchev,G (1462)/Teteven 2016/CBM 173 Extra/1-0 (41)}) ({RR
} 5. f4 cxd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 Ne7 9. Nc3 a6 10. Rc1 Nbc6 11.
Nf3 Bd7 12. Bd3 Qa5 13. O-O Nf5 14. Kh1 O-O 15. g4 Nfe7 16. Ng5 g6 17. f5 exf5
18. gxf5 Nxf5 19. Bxf5 Bxf5 {Sanchez Montesdeoca,I (1710)-Aleman Alamo,N (1694)
/Galdar 2010/CBM 139 Extra/1-0}) 5... a6 6. Nf3 b5 7. Be3 Bb7 8. Bd3 Nd7 9.
Nbd2 c4 10. Bc2 Ne7 11. Ng5 Ng6 12. h4 h6 13. Nxe6 Qc6 14. Nf4 Nxf4 15. Bxf4
Be7 16. Qg4 Kf8 17. Bf5 Bc8 18. h5 Nb6 19. Bxc8 Qxc8 20. Qf3 Qf5 21. Rc1 Qd3
22. Qxd3 cxd3 23. Nf3 Nc4 24. Rb1 a5 25. Nd2 Ra6 26. Rh3 Bg5 27. Bxg5 hxg5 28.
g4 f6 29. Rxd3 Re6 30. Nxc4 bxc4 31. Re3 a4 32. Kd2 Ke7 33. exf6+ gxf6 34. Rbe1
Rxe3 35. Rxe3+ Kf7 36. Rf3 Ke6 37. Rf5 Rb8 38. Kc2 Rg8 39. f4 gxf4 40. Rxf4 Rg7
41. Kd1 Rb7 42. Rf2 Rg7 43. Rg2 Rg8 44. Ke2 Rg7 45. Kf3 Rg8 46. Kf4 Rg7 47. h6
Rh7 48. g5 fxg5+ 49. Kxg5 Rh8 50. Rf2 Rg8+ 51. Kh5 Rh8 52. Rf4 Ke7 53. Rf5 Ke6
54. Re5+ Kd6 55. Kg6 Rg8+ 56. Kf7 Rg2 57. Re6+ Kc7 58. h7 Rf2+ 59. Kg7 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "4.4"]
[White "Dimova, Mariya"]
[Black "Georgiev, Nikolay Zh."]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1434"]
[BlackElo "1588"]
[PlyCount "84"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d3 ({RR} 4. exf5 d5 ({RR} 4... e4 5. Nd4 Nf6 6.
d3 Nxd4 7. cxd4 d5 8. dxe4 dxe4 9. Bc4 Bb4+ 10. Nc3 c5 11. Qa4+ Bd7 12. Qb3 Qe7
13. dxc5 Bxc5 14. Qxb7 Rc8 15. Bb5 O-O 16. Bxd7 Nxd7 17. O-O e3 18. Bxe3 Bxe3
19. fxe3 {Pal,M (2061)-Morvay,M (2147)/Hunagry 2015/CBM 170 Extra/1/2 (48)}) 5.
Bb5 Qf6 6. O-O Bd6 7. d4 e4 8. Ne5 Nge7 9. Qh5+ g6 10. Qg5 Qxf5 11. Nxc6 bxc6
12. Be2 O-O 13. Na3 Bd7 14. Nc2 Qxg5 15. Bxg5 Nf5 16. f3 h6 17. Bd2 Kg7 18.
fxe4 dxe4 {
Danielsen,H (2510)-Saduakassova,D (2340)/Helsingor 2013/CBM 155 Extra/1-0 (42)}
) 4... d5 5. Qc2 $146 ({RR} 5. Nbd2 Nf6 6. Qa4 Bc5 7. Nxe5 O-O 8. Nxc6 Qe8 9.
e5 bxc6 10. d4 Bb6 11. f4 Bd7 12. Qd1 Ne4 13. Nf3 c5 14. Be3 cxd4 15. Bxd4 c5
16. Be3 Bc6 17. Be2 Rd8 18. O-O Ba4 19. Qc1 Kh8 {
Claverie,R (2274)-Sapienza,J (2287)/Buenos Aires 2001/EXT 2002/0-1}) ({RR} 5.
Bg5 Be7 6. Bxe7 Ngxe7 7. Nbd2 O-O 8. b4 Ng6 9. exd5 Qxd5 10. Qb3 Qxb3 11. axb3
Nd8 12. h4 Nf7 13. h5 Nf4 14. Nc4 Re8 15. O-O-O b5 16. Na5 a6 17. g3 Nd5 18.
Kb2 Bd7 19. Bg2 Rab8 {
Schlag,F-Baumgartner,H (2295)/Bad Wildbad 1997/EXT 1999/0-1 (69)}) ({RR} 5. Qb3
Nf6 6. Bg5 dxe4 7. dxe4 fxe4 8. Nfd2 Bd6 9. Nxe4 Ke7 10. Nbd2 h6 11. Bxf6+ gxf6
12. O-O-O Rb8 13. Nc4 Be6 14. Qc2 Qg8 15. Nexd6 cxd6 16. Nxd6 Bxa2 17. Nf5+ Kf8
18. Rd6 Qg5+ 19. Ne3 Bf7 {
Zunker,R (2118)-Weber,G (1698)/Bad Bevensen 2010/EXT 2012/1-0}) 5... Nf6 6. Bg5
Be7 7. Bxf6 Bxf6 8. Nbd2 Be6 9. Be2 O-O 10. h4 Kh8 11. Ng5 Bxg5 12. hxg5 Qxg5
13. g3 fxe4 14. dxe4 d4 15. O-O-O Rxf2 16. Rh5 Qe3 17. Rhh1 Rxe2 18. Rhf1 dxc3
19. Qxc3 Qxc3+ 20. bxc3 Rd8 21. Nf3 Rxd1+ 22. Rxd1 h6 23. Nh4 Rxa2 24. Ng6+ Kg8
25. Rd3 Rf2 26. Kd1 Bg4+ 27. Kc1 Rf3 28. Kc2 Rxd3 29. Kxd3 Kf7 30. Nh4 g5 31.
Ng2 b5 32. Ne3 Be6 33. Nd5 Bxd5 34. exd5 b4 35. dxc6 bxc3 36. Kxc3 h5 37. Kb4
h4 38. gxh4 gxh4 39. Ka5 h3 40. Ka6 Ke6 41. Kb7 Kd6 42. Kxa7 h2 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "5.1"]
[White "Ivanov, Daniel"]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1758"]
[BlackElo "1918"]
[PlyCount "128"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bb5 a6 5. Bxc6 dxc6 6. h3 ({RR} 6. Qe2 f6 7.
d3 Ne7 8. Be3 Bxe3 9. Qxe3 Bg4 10. h3 Bxf3 11. Qxf3 Qd6 12. Qe3 c5 13. Ne2
O-O-O 14. O-O-O Qb6 15. Kb1 Rd6 16. Rd2 Rhd8 17. Rhd1 a5 18. c3 Nc6 19. g3 a4
20. Nc1 Qa7 {Knazovcik,L (2260)-Efler,D (2340)/Prague 1992/TD/1-0 (43)}) 6...
Qd6 ({RR} 6... Ne7 7. d3 Ng6 8. O-O h6 9. Ne2 Qe7 10. c3 Bb6 11. Qc2 Nh4 12.
Nxh4 Qxh4 13. d4 g5 14. dxe5 g4 15. g3 Qh5 16. h4 Qxe5 17. Bf4 Qe7 18. Rfe1 Bd7
19. Rad1 O-O-O 20. Nd4 Rde8 21. Qc1 {Paredes Bustamante,P (2096)-Franco
Valencia,A (2197)/Lima 2016/CBM 171 Extra/0-1 (50)}) 7. d3 Bd7 $146 ({RR} 7...
Be6 8. Ne2 O-O-O 9. c3 Nf6 10. Bg5 h6 11. Bxf6 gxf6 12. d4 exd4 13. cxd4 Bb4+
14. Nc3 Rhg8 15. g4 Rge8 16. Nh2 Bc4 17. f3 Qg3+ 18. Kd2 Rxd4+ 19. Kc2 Qf2+ 20.
Ne2 Rxd1 21. Raxd1 Qxe2+ 22. Kc1 {
Kamendoliev,J-Velkovski,K/Struga 2011/CBM 144 Extra/0-1}) 8. Qe2 Qg6 9. Nh4 Qf6
10. Nf3 Qg6 11. Nh4 Qe6 12. Be3 Bd6 13. Nf5 Qf6 14. g4 Bxf5 15. exf5 Bb4 16.
Bd2 O-O-O 17. Ne4 Qe7 18. O-O-O Nf6 19. Bg5 Rd5 20. Bxf6 gxf6 21. c3 Bd6 22.
Kb1 Rd8 23. Qc2 Rd7 24. Qa4 Qd8 25. a3 Be7 26. Qc4 c5 27. a4 c6 28. Qa2 b6 29.
Rhe1 Kb7 30. Kc2 a5 31. Qb3 Ka6 32. c4 Rd4 33. Ng3 Rf4 34. Ne4 Bf8 35. Qc3 Rd4
36. Re2 h5 37. Rg1 Bh6 38. Rg3 hxg4 39. hxg4 Bg5 40. f3 Qh8 41. Reg2 Qh4 42.
Nf2 Qh6 43. Rh3 Qf8 44. Ne4 Qe7 45. Rgh2 Rd8 46. Re2 Re8 47. Rf2 Qd8 48. Rh5
Rh8 49. Rxh8 Qxh8 50. Nxg5 fxg5 51. Qd2 Qh3 52. Qe2 f6 53. Kd2 Qg3 54. Kc2 Kb7
55. Kc3 b5 56. axb5 cxb5 57. Qe3 b4+ 58. Kb3 Kb6 59. Rf1 Qh3 60. Qe2 Rd4 61.
Qd1 Qh7 62. Rh1 Qd7 63. Ka2 Rxd3 64. Qc2 b3+ 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "5.2"]
[White "Andreev, Dobrotich"]
[Black "Dimova, Mariya"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1829"]
[BlackElo "1434"]
[PlyCount "51"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e5 2. Nf3 d6 3. d4 Qe7 4. Nc3 c6 5. Be2 f6 $146 ({RR} 5... Nf6 6. h3 ({RR
} 6. Bg5 Bg4 7. h3 Bxf3 8. Bxf3 Nbd7 9. O-O g6 10. Re1 Bg7 11. d5 c5 12. Nb5
O-O 13. Qd2 a6 14. Nc3 b5 15. h4 Nb6 16. h5 Nc4 17. Qc1 b4 18. Ne2 Qd7 19. Ng3
h6 20. Bxh6 Nxb2 {Estevez Sacristan,D (1648)-Vukotic Jovsic,D (1986)/Madrid
2015/CBM 165 Extra/1-0 (31)}) ({RR} 6. O-O Qc7 7. b4 Be7 8. Rb1 O-O 9. Be3 Bg4
10. Nd2 Bxe2 11. Qxe2 Nbd7 12. f4 Rfe8 13. Kh1 Bf8 14. Qf3 a5 15. a3 axb4 16.
axb4 Ra3 17. Rb3 Rxb3 18. Nxb3 exf4 19. Bxf4 Qb6 20. g4 h6 {
Andersson,U (2535)-Cuellar Gacharna,M (2395)/Siegen 1970/EXT 2002/1-0 (51)})
6... Nbd7 7. O-O h6 8. a4 g5 9. Nh2 Qd8 10. Be3 Be7 11. Qd2 Nf8 12. Rfd1 Ng6
13. dxe5 dxe5 14. Qxd8+ Bxd8 15. Ng4 Bxg4 16. hxg4 Nf4 17. Bf3 Ba5 18. g3 Ne6
19. Rd3 Bb6 20. Nd1 {Pribyl,J-Jankovec,I/Zvolen 1963/EXT 2005/1-0 (84)}) ({RR} 
5... g6 6. O-O Nd7 7. a4 Bh6 8. dxe5 dxe5 9. Nd2 Ngf6 10. b3 O-O 11. Ba3 Nc5
12. Nc4 b6 13. Qd6 Qxd6 14. Nxd6 Bd2 15. Nb1 Bh6 16. Bxc5 bxc5 17. Rd1 Rd8 18.
Nc3 Be6 19. Bc4 Bf8 20. Bxe6 {
Del Rio de Angelis,S (2504)-Sulskis,S (2582)/Catalan Bay 2004/CBM 098 Extra/1/2
}) ({RR} 5... Nd7 6. O-O Ngf6 7. a4 g6 8. dxe5 Nxe5 9. b3 Bg7 10. Ba3 c5 11.
Qd2 O-O 12. Rad1 b6 13. Nxe5 dxe5 14. Qd6 Qxd6 15. Rxd6 Bb7 16. f3 Rfd8 17.
Rfd1 Rxd6 18. Rxd6 Bf8 19. Rd1 Ne8 20. Bb2 {
Beliavsky,A-Jacobsen,B/Groningen 1970/EXT 2013/1-0}) 6. Be3 Be6 7. d5 Bf7 8.
dxc6 bxc6 9. Qd2 Nd7 10. O-O Qe6 11. Rfd1 Be7 12. Ba6 Bh5 13. Bb7 Bxf3 14. gxf3
Rd8 15. Bxc6 Kf8 16. Kg2 Nb8 17. Bd5 Qd7 18. Bb3 g5 19. Qd5 Nh6 20. Ba4 Qc8 21.
Bxa7 Nd7 22. Nb5 Nf7 23. Bb3 Kg7 24. Qxf7+ Kh6 25. Nxd6 Rdf8 26. Nf5# 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "5.3"]
[White "Mladenov, Andrey"]
[Black "Kostov, Nikolay"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1552"]
[BlackElo "1631"]
[PlyCount "89"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5
Qd8 9. Nd6+ Kf8 10. Qh5 g6 11. Qh6+ Kg8 12. Nf3 f6 ({RR} 12... Nc6 13. Ng5 f6
14. Ngf7 Qe7 15. h4 Nxd4 16. Bd3 Nf8 17. h5 Nf5 18. Bxf5 exf5 19. Nxh8 fxe5 20.
hxg6 {1-0 Giaccio,A (2350)-Lopez,A/La Coruna 1993/EXT 1997}) 13. O-O-O $146 ({
RR} 13. Bd3 Nc6 ({RR} 13... f5 14. Ng5 Nc6 15. Nxe6 Qe7 16. Nc7 Ndxe5 17. dxe5
Nxe5 18. fxe5 Qxe5+ 19. Kd2 Qxd6 20. Nxa8 c4 21. Rae1 Bd7 22. Be2 Kf7 23. Bf3
Bc6 24. Re2 Qb4+ 25. Kc1 c3 26. bxc3 Qxc3 27. Qe3 Qa1+ 28. Kd2 {
Bauer,C-Jaeck,V/Ingelheim 1998/EXT 2000/1-0 (35)}) ({RR} 13... Nf8 14. Nxc8
Qxc8 15. exf6 Qc7 16. Ne5 {1-0 Hauser,T-Rehberg,A/Germany 1992/EXT 1997}) 14.
Bxg6 Qe7 15. Bf7+ Qxf7 16. Nxf7 Kxf7 17. dxc5 Rg8 18. exf6 Nxf6 19. Ne5+ Ke7
20. O-O Nd4 21. g4 Bd7 22. g5 Ne8 23. Qxh7+ Rg7 24. Qd3 Nf5 25. Nxd7 Kxd7 26.
c4 Nc7 27. Rae1 Re8 {
Brantjes,Y (1426)-Kuijper,H (1564)/Bussum 2009/CBM 130 Extra/1-0 (37)}) 13...
c4 14. Nh4 Nf8 15. exf6 Qxf6 16. Nxc8 Nc6 17. Nd6 Qe7 18. Nb5 a6 19. Nc3 Nd8
20. Qg5 Qf7 21. Nf3 h6 22. Qg3 Kh7 23. Ne5 Qe8 24. h4 Nc6 25. h5 Nxe5 26. fxe5
gxh5 27. Qf3 Rg8 28. Qxh5 Qxh5 29. Rxh5 b5 30. Rd2 Ng6 31. Rh3 Raf8 32. Rf3
Rxf3 33. gxf3 Rf8 34. Rf2 Rf4 35. Ne2 Rh4 36. f4 Ne7 37. Ng3 Kg6 38. Kd2 Nf5
39. Nxf5 Kxf5 40. Ke3 Rh1 41. Rf3 Kg4 42. f5 exf5 43. e6 f4+ 44. Rxf4+ Kg5 45.
e7 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "5.4"]
[White "Georgiev, Nikolay Zh."]
[Black "Nenchev, Georgi"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1588"]
[BlackElo "1404"]
[PlyCount "71"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. Nc3 b6 3. Bc4 Bb7 4. d3 ({RR} 4. Qe2 c5 5. Nf3 a6 6. a4 d6 7. d4
cxd4 8. Nxd4 Nf6 9. O-O Qc8 10. Bg5 Nbd7 11. Rfe1 Be7 12. Rad1 h6 13. Bxf6 Nxf6
{1/2 Schlindwein,R (2440)-Bezold,M (2490)/Balatonbereny 1995/CBM 050/[King,D]}
{RR} 14. f4) 4... Bb4 5. Bd2 Ne7 6. Nge2 $146 ({RR} 6. a3 Bxc3 7. Bxc3 O-O 8.
Qg4 Ng6 9. O-O-O d5 10. exd5 exd5 11. Bb3 c5 12. Nf3 Nd7 13. h4 d4 14. Bd2 Nf6
15. Qh3 Bc8 16. Qg3 Bg4 17. Rde1 Qd7 18. Ne5 Nxe5 19. Rxe5 Nh5 20. Qh2 g6 {
Fieducik,M (1380)-Budrewicz,H (1641)/Warsaw 2012/EXT 2014/1-0 (58)}) 6... Nbc6
7. a3 Bxc3 8. Nxc3 Ne5 9. Ba2 d5 10. Bg5 c6 11. O-O h6 12. Bh4 N5g6 13. Bg3 h5
14. h3 d4 15. Ne2 Qd7 16. Qd2 O-O-O 17. b4 Rdf8 18. c4 dxc3 19. Qxc3 e5 20.
Bxe5 f6 21. Bg3 Ba6 22. Nd4 Kb7 23. Ne6 Qxd3 24. Qxd3 Bxd3 25. Nxf8 Nxf8 26.
Rfd1 Bxe4 27. Re1 h4 28. Bd6 Nf5 29. Bxf8 Bc2 30. Be6 Nd4 31. Bxg7 Rh7 32. Bxf6
Nxe6 33. Rxe6 Rh6 34. Rc1 Ba4 35. Re7+ Ka6 36. Bg5 1-0

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "6.1"]
[White "Georgiev, Nikolay Zh."]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1588"]
[BlackElo "1829"]
[PlyCount "118"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 c6 2. Nc3 d5 3. Qf3 d4 4. Nce2 e5 ({RR} 4... c5 5. d3 Nc6 6. Ng3 Nf6 7.
Qd1 g6 8. Be2 Bg7 9. f4 O-O 10. Nf3 b5 11. O-O a5 12. Bd2 a4 13. h3 Ba6 14. b3
Qc7 15. Qe1 Nd7 16. e5 f5 17. Ng5 Qc8 18. Bf3 h6 19. Bd5+ {Jimenez Fraga,P
(2463)-Hernandez Fernandez,R (2293)/Havana 2014/CBM 160 Extra/1-0 (105)}) 5.
Ng3 Nf6 ({RR} 5... Qf6 6. Qd1 Bb4 7. Bc4 Be6 8. Qe2 Ne7 9. c3 Bc5 10. Bxe6 Qxe6
11. Nh3 f6 12. O-O O-O 13. d3 a5 14. Kh1 Ng6 15. Nf5 Nd7 16. Qg4 Rae8 17. f4
Kh8 18. Bd2 b6 19. Rf3 Re7 20. Rg3 {
Minor,S (2196)-Lanz,J (1565)/Eschborn 2014/EXT 2015/1-0 (38)}) 6. a3 $146 ({RR
} 6. Qb3 Qc7 7. c3 h5 8. h4 Bd6 9. Nf3 g6 10. a4 Nbd7 11. Ng5 Nc5 12. Qc2 Ne6
13. d3 Bd7 14. Be2 Nf4 15. Bf3 Ng4 16. Ne2 Nxe2 17. Bxe2 dxc3 18. bxc3 f6 19.
Nf3 O-O-O 20. O-O Rdg8 {
Mestrovic,Z (2376)-Grguric,S (1984)/Osijek 2012/EXT 2013/1/2 (58)}) 6... c5 7.
Bc4 Nc6 8. Qe2 a6 9. d3 b5 10. Ba2 Be6 11. Bxe6 fxe6 12. Nh3 Qd7 13. O-O Bd6
14. f4 exf4 15. Bxf4 Bxf4 16. Nxf4 O-O 17. Nfh5 Nxh5 18. Qxh5 Qd6 19. Qg5 Qe5
20. Qxe5 Nxe5 21. b3 Rxf1+ 22. Rxf1 Rf8 23. h3 Rxf1+ 24. Kxf1 Kf7 25. Ne2 Ke7
26. Kf2 Kd6 27. Ng1 c4 28. Ke2 Nd7 29. dxc4 bxc4 30. b4 Nb6 31. Nf3 e5 32. Nd2
c3 33. Nb3 Nc4 34. Kd3 Nb2+ 35. Ke2 Na4 36. g3 Kc6 37. Kd3 Kb5 38. h4 Nb2+ 39.
Ke2 Ka4 40. Nc5+ Kxa3 41. Nxa6 Ka4 42. Nc5+ Kxb4 43. Nd7 Nc4 44. Kd3 Kb5 45.
Nf8 h6 46. Ne6 Nb2+ 47. Ke2 Kc4 48. Nxg7 d3+ 49. cxd3+ Nxd3 50. Nf5 c2 51. Ne3+
Kc3 52. Nxc2 Kxc2 53. g4 Kc3 54. Ke3 Nf4 55. g5 hxg5 56. hxg5 Ng6 57. Kf3 Kd3
58. Kg4 Kxe4 59. Kh5 Kf5 0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "6.2"]
[White "Nenchev, Georgi"]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1404"]
[BlackElo "1918"]
[PlyCount "92"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3 ({RR} 4... b6 5. Be2 O-O 6. O-O d5 7.
a3 Bd6 ({RR} 7... Bxc3 8. bxc3) 8. d4 Bb7 9. Qc2 c5 ({RR} 9... Nbd7 10. cxd5
exd5 11. Nb5) 10. dxc5 bxc5 11. Rd1 Nbd7 12. Rb1 Qe7 ({RR} 12... Rc8 13. b4
cxb4 14. axb4 Bb8 15. c5 a5) 13. cxd5 exd5 14. Nb5 Rfc8 ({RR} 14... Bb8 15. b4)
15. Nxd6 Qxd6 16. Bd2 d4 17. Ne1 ({RR} 17. exd4 Be4 18. Bd3 Bxf3) 17... Be4 ({
RR} 17... Ne5 18. f3 c4 19. exd4 Qxd4+ 20. Kh1 ({RR} 20. Kf1 Neg4 21. fxg4 Ne4)
20... Qf2 21. Bc3 Neg4 22. fxg4 Re8 23. Bf3 Rxe1+ 24. Rxe1 Qxc2 25. Bxb7) 18.
Bd3 Bxd3 19. Qxd3 {
Speelman,J (2620)-Lalic,B (2590)/Hastings 1996/CBM 051/[Speelman,J]/1/2 (43)} {
RR} Ng4 20. f4 ({RR} 20. Nf3 Nde5) 20... Qh6 21. h3 dxe3 22. Bxe3 c4 23. Qe2
Nxe3 24. Qxe3 Nc5) 5. bxc3 d6 ({RR} 5... c5 6. d4 Qc7 7. Bd3 O-O 8. O-O d6 9.
Qc2 Nc6 10. e4 cxd4 11. cxd4 Nb4 12. Qb3 Nxd3 13. Qxd3 d5 14. cxd5 exd5 15. e5
Ne4 16. Nd2 Bf5 17. Nxe4 Bxe4 18. Qg3 Qb6 19. Be3 Qg6 20. Qh3 {
Cosme Contreras,T (1757)-Palacios Llancari,K (1479)/Lima 2016/EXT 2017/0-1 (63)
}) 6. Be2 $146 ({RR} 6. d3 O-O 7. Be2 Re8 8. O-O e5 9. e4 Nbd7 10. Be3 c6 11.
Nd2 d5 12. cxd5 cxd5 13. Bf3 dxe4 14. Nxe4 Nxe4 15. Bxe4 Qc7 16. Qb3 Nf6 17.
Bf3 Bg4 18. Qxb7 Qxc3 19. Qxa8 Rxa8 20. Bxa8 Qxd3 {
Loncar,R (2406)-Naumkin,I (2498)/Ischia 2000/EXT 2001/0-1 (68)}) 6... Nbd7 7.
O-O e5 8. Qc2 O-O 9. d3 Qe7 10. e4 Nc5 11. Be3 Bd7 12. Bxc5 dxc5 13. Qb2 b6 14.
Nd2 Rad8 15. a4 a5 16. h3 Ne8 17. d4 cxd4 18. cxd4 exd4 19. Bd3 Qg5 20. f4 Qe7
21. Nf3 Qc5 22. Qc2 h6 23. Ne5 Nd6 24. Nxd7 Rxd7 25. f5 f6 26. Rf4 Re8 27. h4
Nb7 28. Kf2 Qd6 29. Kf3 Nc5 30. h5 Rde7 31. Re1 Qc6 32. Ra1 Re5 33. g4 Nd7 34.
Rb1 Rc5 35. Rb5 Ne5+ 36. Ke2 Nd7 37. Kf3 Ree5 38. Ke2 Kh7 39. Kf3 Qd6 40. Ke2
Rxb5 41. axb5 Rxb5 42. Kf3 Rc5 43. Qa4 c6 44. Qa3 Ne5+ 45. Kg3 Nxd3 46. Qxd3 b5
0-1

[Event "195th open MGU"]
[Site "Sofia"]
[Date "2017.11.05"]
[Round "6.3"]
[White "Dimova, Mariya"]
[Black "Ivanov, Daniel"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1434"]
[BlackElo "1758"]
[PlyCount "109"]
[EventDate "2017.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceDate "2008.07.28"]

1. e4 e6 2. c4 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 bxc6 7. Be3 Nf6 8.
Bd3 Be7 9. O-O d6 10. Nc3 O-O $146 ({RR} 10... d5 11. e5 Nd7 12. f4 Bc5 13.
Bxc5 Nxc5 14. Kh1 Rb8 15. b3 Qa5 16. Ne2 Bd7 17. Qc2 h6 {
1/2 Studzinski,T (1982)-Szmidt,P (2015)/Poland 2012/EXT 2015}) 11. Rc1 Qc7 12.
b3 Bb7 13. f4 c5 14. e5 dxe5 15. Bb1 exf4 16. Bxf4 Qc6 17. Rf2 Rad8 18. Qc2 g6
19. h3 Nh5 20. Bh6 Ng7 21. Rcf1 Rd7 22. Ne2 f5 23. Nf4 Bf6 24. Kh2 Be5 25. Qc1
Nh5 26. g3 Bxf4 27. Bxf4 Nxf4 28. Qxf4 Rd4 29. Qg5 Kg7 30. h4 h6 31. Qe3 Qd6
32. Qc3 Kh7 33. Kh3 e5 34. h5 e4 35. hxg6+ Qxg6 36. Qe3 Qg4+ 37. Kg2 Kg6 38.
Rf4 Qg5 39. b4 Rfd8 40. R1f2 cxb4 41. Bc2 Bc6 42. Kg1 h5 43. Rg2 R8d6 44. Kh2
Rxc4 45. Rd2 Rf6 46. Rd8 Rxc2+ 47. Kh3 Rf7 48. Qd4 Qf6 49. Rd6 Qxd6 50. Qxd6+
Rf6 51. Qxb4 Bb5 52. Qb3 Bf1+ 53. Rxf1 Rfc6 54. Qg8+ Kh6 55. Rxf5 1-0

