[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.13"]
[Round "9"]
[White "Tuzhba, Konstantin"]
[Black "Geimur, Leonid"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1870"]
[PlyCount "67"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. d5 Be7 6. e4 h6 7. h3 a6 8. Bd3 c6 9. 0-0 Nf8 10. Be3 Qc7 11. Rc1 g5 12. b4 Ng6 13. c5 Nf4 14. cxd6 Bxd6 15. dxc6 bxc6 16. b5 g4 17. hxg4 Bxg4 18. Bxf4 exf4 19. Nd5 Nxd5 20. Rxc6 Qd7 21. exd5 Rg8 22. Re1+ Kf8 23. Kf1 Bh3 24. Nh4 Be7 25. Rxe7 Qxe7 26. Qh5 Bd7 27. Qxh6+ Ke8 28. Rc1 Qg5 29. Re1+ Be6 30. Qxg5 Rxg5 31. dxe6 axb5 32. exf7+ Kxf7 33. Bc2 Rh5 34. Bg6+ 1-0

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.12"]
[Round "8"]
[White "Sheliya, Daniel"]
[Black "Tuzhba, Konstantin"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1484"]
[BlackElo "1870"]
[PlyCount "33"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 c5 5. 0-0 Nc6 6. b3 Be7 7. Bb2 cxd4 8. Nxd4 0-0 9. c4 Nxd4 10. Qxd4 dxc4 11. Qxc4 Rb8 12. Nc3 b5 13. Qf4 Bb7 14. Rfd1 Qb6 15. Ne4 Nxe4 16. Bxe4 Bxe4 17. Qxe4 1/2-1/2

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.11"]
[Round "7"]
[White "Tuzhba, Konstantin"]
[Black "Repkin, Alexander"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "1870"]
[BlackElo "2100"]
[PlyCount "42"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Be7 6. Be2 0-0 7. Nf3 Ne8 8. Be3 g6 9. 0-0 Ng7 10. Nd2 f5 11. f3 f4 12. Bf2 g5 13. g4 fxg3 14. hxg3 h5 15. Kg2 Nf6 16. Rh1 g4 17. f4 exf4 18. gxf4 Nh7 19. Be3 Bf6 20. Nf1 Qe8 21. Nh2 Bxc3 0-1

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.10"]
[Round "6"]
[White "Nugmonov, Dilshod"]
[Black "Tuzhba, Konstantin"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1301"]
[BlackElo "1870"]
[PlyCount "34"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f3 0-0 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 Qa5 9. g4 Qb4 10. a3 Qa5 11. 0-0-0 cxd4 12. Nxd4 Nc5 13. Kb1 a6 14. b4 Qxa3 15. bxc5 dxc5 16. Nc2 Qb3+ 17. Kc1 Nxe4 0-1

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.10"]
[Round "5"]
[White "Tuzhba, Konstantin"]
[Black "Merdanov, Ulyadin"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1870"]
[BlackElo "1490"]
[PlyCount "59"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Be7 4. Nc3 b6 5. Bf4 Nf6 6. e3 0-0 7. Rc1 Bb7 8. Bd3 Nbd7 9. cxd5 exd5 10. 0-0 c5 11. dxc5 bxc5 12. Qe2 Nh5 13. Bg3 Nxg3 14. hxg3 Nf6 15. Rfd1 Qb6 16. b3 a6 17. Ne5 Rfe8 18. Ng4 Nxg4 19. Qxg4 Rac8 20. e4 d4 21. Ne2 Bf8 22. Kh2 Qh6+ 23. Kg1 Re5 24. f4 Ree8 25. e5 Qe6 26. Qh4 g6 27. g4 Qd5 28. Qf2 Bh6 29. g5 Bg7 30. Ng3 1/2-1/2

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.09"]
[Round "4"]
[White "Chernov, Mikhail"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2266"]
[BlackElo "1870"]
[PlyCount "51"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 Nc6 9. g5 Nxd4 10. Qxd4 Nh5 11. h4 0-0 12. Be3 b5 13. 0-0-0 Bb7 14. Rhg1 Qc7 15. f4 d5 16. exd5 exd5 17. f5 g6 18. fxg6 hxg6 19. Nxd5 Bxd5 20. Qxd5 Rad8 21. Qe4 Rxd1+ 22. Rxd1 Kh7 23. Qd5 Kg8 24. Rf1 Qg3 25. Qe4 Qd6 26. Rd1 1-0

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.08"]
[Round "3"]
[White "Tuzhba, Konstantin"]
[Black "Kornilovich, Dmitry"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1870"]
[BlackElo "2133"]
[PlyCount "104"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. h3 e5 7. d5 a5 8. Nf3 Nh5 9. 0-0 Na6 10. Re1 Nc5 11. Be3 Nf4 12. Bf1 b6 13. Qd2 f5 14. Bxf4 exf4 15. e5 dxe5 16. Nxe5 Ne4 17. Nxe4 Bxe5 18. Nc5 Qf6 19. Nd3 Bd6 20. Nxf4 Bb4 21. Qc2 Bxe1 22. Rxe1 Bd7 23. Ne6 Rfe8 24. c5 Bxe6 25. Rxe6 Rxe6 26. dxe6 Re8 27. cxb6 cxb6 28. Qc6 Qd8 29. Bc4 Re7 30. b3 Qd1+ 31. Kh2 Qd4 32. f3 Qc5 33. Qa8+ Kg7 34. a4 h5 35. Qb8 h4 36. Qf4 Qc7 37. Qxc7 Rxc7 38. Kg1 Kf6 39. Kf2 Ke5 40. Ke3 g5 41. Kd3 Rc8 42. Ke3 Rd8 43. Ke2 Kd4 44. Bb5 Rd5 45. Bd7 Kc3 46. Kf1 Re5 47. Bc8 b5 48. axb5 Rxb5 49. Bd7 Re5 50. Bc8 Re3 51. Bd7 f4 52. Bc8 Kxb3 0-1

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.08"]
[Round "2"]
[White "Tuzhba, Konstantin"]
[Black "Petyakov, Emir"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1870"]
[BlackElo "1362"]
[PlyCount "95"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Ne4 8. Nge2 Ba6 9. Bxa6 Nxa6 10. 0-0 Nxc3 11. Nxc3 d6 12. Bd2 Qc7 13. Qa4+ Qd7 14. Qxd7+ Kxd7 15. Nb5 Rb8 16. a4 e6 17. dxe6+ fxe6 18. e4 Be7 19. Bc3 Rhg8 20. Rfd1 Nc7 21. Nxc7 Kxc7 22. a5 Kc6 23. Kf1 d5 24. exd5+ exd5 25. Re1 Bd6 26. Re6 Kd7 27. Re2 d4 28. Be1 Kc6 29. a6 g5 30. a7 Ra8 31. Ra6+ Kd5 32. Bd2 Rg7 33. Bxg5 Raxa7 34. Rxa7 Rxa7 35. b3 c4 36. bxc4+ Kxc4 37. g3 d3 38. Re4+ Kd5 39. Re1 Bb4 40. Rd1 Kc4 41. Rc1+ Kb3 42. Rb1+ Kc3 43. Bf6+ Kc2 44. Rb2+ Kc1 45. Rxb4 d2 46. Bg5 Kc2 47. Bxd2 Kxd2 48. Re4 1-0

[Event "Sochi Amateur op 6th"]
[Site "Sochi"]
[Date "2019.04.07"]
[Round "1"]
[White "Lopukhin, Anatoly Viktorovich"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2266"]
[BlackElo "1870"]
[PlyCount "65"]
[EventDate "2019.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. d4 g6 4. e4 Bg7 5. h3 Nbd7 6. Be3 0-0 7. Nf3 e5 8. d5 a5 9. g4 b6 10. Be2 Nc5 11. Nd2 Bb7 12. h4 c6 13. h5 cxd5 14. cxd5 Ba6 15. Bxa6 Nxa6 16. Qe2 Nc5 17. f3 Qd7 18. Qb5 Rfc8 19. Qxd7 Nfxd7 20. Ke2 b5 21. Nxb5 Rcb8 22. Nxd6 Rxb2 23. hxg6 hxg6 24. N6c4 Rb4 25. a3 Rb5 26. Rab1 Rab8 27. Rxb5 Rxb5 28. Rb1 Rxb1 29. Nxb1 Nb3 30. Nbd2 a4 31. Nxb3 axb3 32. Kd3 Bf8 33. Kc3 1-0

[Event "Alexander the Great op 5th"]
[Site "Porto Carras"]
[Date "2013.05.07"]
[Round "1"]
[White "Tuzhba, Konstantin"]
[Black "Erdogdu, Mert"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "1932"]
[BlackElo "2422"]
[PlyCount "52"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. f4 Qc7 10. Kh1 Re8 11. Qe1 Nc6 12. Qg3 Bd7 13. Rad1 b5 14. a3 Nxd4 15. Bxd4 Bc6 16. e5 dxe5 17. Bxe5 Qb7 18. f5 Rf8 19. Rf4 exf5 20. Rxf5 Ne8 21. Rdf1 f6 22. Bd4 Rd8 23. Be3 Nd6 24. Rh5 Ne4 25. Qh3 Nxc3 26. Rxh7 Bxg2+ 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.06"]
[Round "9.165"]
[White "Tuzhba, Konstantin"]
[Black "Volodin, Ivan"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1950"]
[BlackElo "2231"]
[PlyCount "70"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Be2 Bb4 9. 0-0 Bxc3 10. bxc3 Nxe4 11. Bd3 Nf6 12. f4 b6 13. f5 e5 14. c4 Bb7 15. c5 Nb4 16. Qe2 Nxd3 17. cxd3 Nd5 18. Rac1 Nxe3 19. Qxe3 f6 20. Kh1 0-0 21. h4 Rac8 22. h5 h6 23. d4 Rfe8 24. Rfd1 exd4 25. Qf2 Re3 26. Qh4 Re4 27. Qf2 Qe5 28. cxb6 Rxc1 29. Nxc1 axb6 30. Nd3 Re2 31. Nxe5 Rxf2 32. Nxd7 Rxg2 33. Rf1 Rxa2+ 34. Kg1 Rg2+ 35. Kh1 d3 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.05"]
[Round "8.145"]
[White "Rabinovich, Anton Solomonovich"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2127"]
[BlackElo "1950"]
[PlyCount "55"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bb4 7. Qc2 Nbd7 8. Bd3 h6 9. Bh4 0-0 10. Nf3 Re8 11. 0-0 Nf8 12. a3 Be7 13. b4 N6h7 14. Bxe7 Qxe7 15. b5 Ng5 16. Nxg5 Qxg5 17. bxc6 bxc6 18. Ne2 Bd7 19. Rfc1 Ne6 20. Rab1 Qg4 21. Bh7+ Kh8 22. Bf5 Qh5 23. Rb7 Bc8 24. Ng3 Qg5 25. Rxf7 Nd8 26. Rc7 Bxf5 27. Qxf5 Qxf5 28. Nxf5 1-0

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.04"]
[Round "7.119"]
[White "Tuzhba, Konstantin"]
[Black "Oganian, Miran"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1950"]
[BlackElo "2198"]
[PlyCount "80"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. exd5 cxd5 11. Be2 e5 12. Bc5 Re8 13. 0-0 Bf8 14. Bxf8 Rxf8 15. f4 d4 16. fxe5 dxc3 17. Qxd8 Rxd8 18. Rxf6 cxb2 19. Rb1 Rb8 20. Bc4 Be6 21. Bb3 a5 22. Rf4 g5 23. Ra4 Rd2 24. Rxb2 Bd5 25. Rxa5 Kg7 26. Kf1 Bc4+ 27. Kg1 Bd5 28. g3 g4 29. Rc5 Bf3 30. Rc7 Rbd8 31. Rxf7+ Kh8 32. Rb1 Rg2+ 33. Kf1 Rxh2 34. Bc4 Rh1+ 35. Kf2 Rxb1 36. e6 Bc6 37. e7 Re8 38. Bd3 Kg8 39. Bc4 Kh8 40. Bd3 Rb7 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.03"]
[Round "6.148"]
[White "Gumirov, Konstantin L"]
[Black "Tuzhba, Konstantin"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2152"]
[BlackElo "1950"]
[PlyCount "74"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Na4 Qd6 12. a3 Ba5 13. b4 Bc7 14. g3 h6 15. Bf4 Qd8 16. Be3 Qd7 17. Qf3 Qh3 18. Bc5 Re8 19. Rfe1 Bg4 20. Qg2 Qh5 21. Bf1 Bf3 22. Qh3 Qg6 23. Rxe8+ Rxe8 24. Bd3 Qg5 25. Qf5 Qxf5 26. Bxf5 Ne4 27. Bxa7 Ra8 28. Bb6 Be5 29. Re1 Rxa4 30. Re3 Bh5 31. Kg2 Bb2 32. Bd7 Rxa3 33. Rxa3 Bxa3 34. Bxc6 Bxb4 35. Bxd5 Bc5 36. Ba5 Nxf2 37. h3 Bg6 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.02"]
[Round "5.189"]
[White "Tuzhba, Konstantin"]
[Black "Jakovlev, Oleg Vladimirovich"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1950"]
[BlackElo "2110"]
[PlyCount "83"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. c4 Nb6 6. Nc3 Bg7 7. Be2 0-0 8. Be3 Nc6 9. 0-0 Bg4 10. d5 Bxf3 11. Bxf3 Ne5 12. Bxb6 axb6 13. Be2 Qd6 14. Qb3 Nd7 15. Qc2 Nc5 16. f4 Qf6 17. Rae1 e5 18. fxe5 Qxe5 19. a3 Qe3+ 20. Kh1 Bxc3 21. bxc3 Rxa3 22. Rf3 Qg5 23. Ref1 Kg7 24. Rf4 Ra1 25. Rxf7+ Rxf7 26. Rxa1 Rf2 27. Rg1 Qe3 28. Re1 Ne4 29. Qd3 Qxd3 30. Bxd3 Nxc3 31. Kg1 Rd2 32. Bf1 Kf7 33. Ra1 Ra2 34. Rxa2 Nxa2 35. Kf2 Kf6 36. Ke3 Ke5 37. Kd3 Nb4+ 38. Kc3 Na6 39. Be2 Nc5 40. Bf3 Ne4+ 41. Kb4 c6 42. Bxe4 1-0

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.01"]
[Round "4.143"]
[White "Vasiliev, Vladislav"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2197"]
[BlackElo "1950"]
[PlyCount "113"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nf3 c6 5. Nbd2 Be7 6. b3 0-0 7. Bd3 c5 8. 0-0 Nc6 9. Bb2 b6 10. Rc1 Bb7 11. Qe2 Rc8 12. Rfd1 cxd4 13. exd4 Re8 14. h3 Bd6 15. Qe3 Qe7 16. Ne5 Ba3 17. Bxa3 Qxa3 18. Ng4 Qe7 19. Nf3 Nb4 20. Bb1 Nxg4 21. hxg4 dxc4 22. bxc4 Bxf3 23. gxf3 h6 24. Kg2 Qg5 25. Kg3 Qxe3 26. fxe3 Kf8 27. f4 Red8 28. a3 Nc6 29. Ba2 Ke7 30. d5 Na5 31. e4 Nb7 32. e5 Rc5 33. f5 Na5 34. fxe6 fxe6 35. Rf1 Rdc8 36. d6+ Ke8 37. Rcd1 Rd8 38. Bb1 Nxc4 39. Bg6+ Kd7 40. Rf7+ Kc8 41. Rxa7 Nxe5 42. Be4 Ra5 43. Rc7+ Kb8 44. Rb7+ Kc8 45. Rxb6 g5 46. Rc1+ Kd7 47. Rb7+ Ke8 48. Re7+ Kf8 49. Rf1+ Kg8 50. Rxe6 Rxa3+ 51. Kg2 Nxg4 52. Bd5 Kh8 53. Rf3 Ra5 54. Bb3 Re5 55. Re7 Rb5 56. d7 Re5 57. Ref7 1-0

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.01.31"]
[Round "3.143"]
[White "Tuzhba, Konstantin"]
[Black "Petrosyan, Tigran S"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "1950"]
[BlackElo "2202"]
[PlyCount "71"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Rc1 c5 11. Qe2 cxd4 12. exd4 Rc8 13. cxd5 exd5 14. Ba6 Bxa6 15. Qxa6 Ra8 16. Nb5 Ne4 17. Bxe7 Qxe7 18. Nc7 Rad8 19. Nxd5 Qd6 20. Nc3 Nxc3 21. bxc3 Nf6 22. c4 Nh5 23. c5 Qg6 24. c6 Nf4 25. g3 Qe4 26. Rfe1 Qxf3 27. gxf4 Rd6 28. c7 Qg4+ 29. Kf1 Qh3+ 30. Ke2 Re8+ 31. Kd2 Rxd4+ 32. Kc2 Rc8 33. Kb2 Qd7 34. Re7 Rb4+ 35. Ka3 Ra4+ 36. Kb3 1/2-1/2

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.01.29"]
[Round "1.110"]
[White "Przybylski, Wojciech"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2344"]
[BlackElo "1950"]
[PlyCount "55"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 0-0 9. 0-0-0 Be6 10. Bd3 a5 11. Kb1 a4 12. h4 Qd7 13. Ng5 Bf5 14. g4 Bxd3 15. Qxd3 g6 16. h5 Qxg4 17. hxg6 Bxg5 18. g7 h6 19. Bxg5 Rfe8 20. Rxh6 f5 21. Qd5+ Kxg7 22. Rh7+ Kg6 23. Qf7+ Kxg5 24. Rg7+ Kf4 25. Rxg4+ Kxg4 26. Qg6+ Kf4 27. Qg3+ Ke4 28. f3+ 1-0

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.31"]
[Round "9"]
[White "Kostrikina, Anna"]
[Black "Tuzhba, Konstantin"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2131"]
[BlackElo "1920"]
[PlyCount "82"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Be7 5. f4 d6 6. Nf3 0-0 7. 0-0 Be6 8. Nd5 exf4 9. Bxf4 Bg4 10. Nxe7+ Qxe7 11. Qd2 Ne5 12. Nxe5 dxe5 13. Be3 Be6 14. Bb3 Ng4 15. Bg5 f6 16. Bh4 c5 17. Qe2 Bxb3 18. axb3 Qd7 19. Kh1 Nh6 20. Rf3 Qg4 21. Qf2 b6 22. h3 Qe6 23. Rf1 a5 24. g4 Rf7 25. Kh2 a4 26. bxa4 Rxa4 27. g5 fxg5 28. Rxf7 Qxf7 29. Bxg5 Qxf2+ 30. Rxf2 Nf7 31. Be3 Kf8 32. Kg2 Ke7 33. b3 Ra2 34. b4 cxb4 35. Bxb6 Ke6 36. Bc5 Rb2 37. h4 b3 38. cxb3 Rxb3 39. Rf3 h5 40. Bf8 g5 41. hxg5 Nxg5 1/2-1/2

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.30"]
[Round "8"]
[White "Tuzhba, Konstantin"]
[Black "Udovichenko, Nikolai"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1920"]
[BlackElo "2170"]
[PlyCount "69"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. a4 Nf6 5. Nc3 c5 6. e3 cxd4 7. exd4 Bg4 8. Bxc4 e6 9. 0-0 Nc6 10. Be3 Bd6 11. h3 h5 12. d5 Bxf3 13. gxf3 Ne5 14. Bb3 exd5 15. Nxd5 Qd7 16. Kg2 Rd8 17. Re1 Nxd5 18. Qxd5 0-0 19. Bf4 Ng6 20. Bg5 Qc8 21. Qe4 Kh7 22. Rad1 Rfe8 23. Qb1 Rxe1 24. Rxe1 Rf8 25. Re4 Qc5 26. Be3 f5 27. Bxc5 Bxc5 28. Rc4 Bd6 29. Bc2 Nf4+ 30. Rxf4 Bxf4 31. Bxf5+ Kh6 32. Qe4 Bg5 33. Bc8 b5 34. Bxa6 bxa4 35. Bd3 1-0

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.29"]
[Round "7"]
[White "Lyubavin, Vitali"]
[Black "Tuzhba, Konstantin"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2021"]
[BlackElo "1920"]
[PlyCount "90"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Nc6 8. Bg5 Qxe2+ 9. Bxe2 Be7 10. 0-0-0 Be6 11. d4 Bf5 12. Rhe1 0-0 13. Bb5 Bd8 14. d5 Nb4 15. Nd4 Bg6 16. Bxf6 Bxf6 17. a3 Na6 18. Ne4 Bxe4 19. Rxe4 Nc5 20. Ree1 a6 21. Bc4 Rfe8 22. Nf3 Kf8 23. Bd3 g6 24. c3 h5 25. Kc2 Rxe1 26. Rxe1 Re8 27. Rxe8+ Kxe8 28. b4 Na4 29. c4 Ke7 30. Kb3 Nc3 31. Kc2 Kd7 32. Nd2 b5 33. cxb5 axb5 34. h3 h4 35. Ne4 Nxe4 36. Bxe4 Bd4 37. Bd3 c6 38. f3 g5 39. Kb3 Kc7 40. Be4 c5 41. a4 bxa4+ 42. Kxa4 cxb4 43. Kxb4 f6 44. f4 Be3 45. fxg5 fxg5 1/2-1/2

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.28"]
[Round "6"]
[White "Tuzhba, Konstantin"]
[Black "Karabakthsian, Ararat"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1920"]
[BlackElo "2039"]
[PlyCount "101"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 e5 6. d5 0-0 7. Be2 h6 8. Be3 Ng4 9. Bd2 f5 10. 0-0 f4 11. b4 h5 12. c5 Kh8 13. cxd6 cxd6 14. Rc1 Bd7 15. Nb5 Bxb5 16. Bxb5 a6 17. Be2 Nd7 18. Qc2 Rc8 19. Qxc8 Qxc8 20. Rxc8 Rxc8 21. Rc1 Rxc1+ 22. Bxc1 Bh6 23. Nd2 b5 24. a4 bxa4 25. Bxa6 f3 26. gxf3 Ngf6 27. Kf1 a3 28. Nb3 Bxc1 29. Nxc1 g5 30. Nb3 g4 31. Ke2 Kg7 32. Ke3 Kg6 33. f4 h4 34. fxe5 Nxe5 35. Be2 Kg5 36. b5 Nfd7 37. f4+ gxf3 38. Bxf3 a2 39. Be2 Nc5 40. Na1 Ng4+ 41. Bxg4 Kxg4 42. Kd4 Nd7 43. Kc3 Kh3 44. Kb2 Kxh2 45. Nc2 Kg3 46. Ne3 h3 47. Kxa2 Kf3 48. Nf1 Kxe4 49. Kb3 Kxd5 50. Kb4 Nb6 51. Ne3+ 1/2-1/2

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.27"]
[Round "5"]
[White "Kondenko, Alexey"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2231"]
[BlackElo "1920"]
[PlyCount "95"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. Bd3 0-0 7. 0-0 Nbd7 8. b3 c5 9. Bb2 cxd4 10. exd4 b6 11. cxd5 exd5 12. Ne5 Bb7 13. Rc1 Nxe5 14. dxe5 Ne4 15. Nb5 Bc5 16. Bd4 Qe7 17. Bxe4 dxe4 18. Bxc5 bxc5 19. Nd6 Ba6 20. Re1 Qxe5 21. Nxe4 c4 22. bxc4 Rfe8 23. Nd6 Qxe1+ 24. Qxe1 Rxe1+ 25. Rxe1 Kf8 26. f3 g6 27. Re3 f5 28. Ra3 Bc8 29. Kf2 Be6 30. Ke3 Ke7 31. c5 a5 32. Kd4 a4 33. f4 Kd7 34. Nc4 Kc6 35. Re3 Bg8 36. a3 Rd8+ 37. Nd6 Bd5 38. g3 Be4 39. Rc3 Bd5 40. Rc2 Rb8 41. Re2 Rb3 42. Re8 Bg2 43. Nc4 Rb1 44. Ne5+ Kc7 45. Re7+ Kc8 46. Ra7 Rd1+ 47. Kc3 Rc1+ 48. Kb4 1-0

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.26"]
[Round "4"]
[White "Tuzhba, Konstantin"]
[Black "Sunzhukhanov, Abubakar"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1920"]
[PlyCount "115"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 a5 9. h3 Nh5 10. Bg5 f6 11. Be3 Nf4 12. Qd2 g5 13. Bxf4 exf4 14. Nd4 Ne5 15. f3 Qe8 16. Nf5 Ng6 17. Nb5 Qd8 18. Rac1 Bxf5 19. exf5 Nh4 20. Nd4 Qd7 21. Ne6 Nxf5 22. Nxf8 Rxf8 23. Qxa5 b6 24. Qd2 Ne3 25. Rfe1 f5 26. b4 Be5 27. c5 Qg7 28. cxb6 cxb6 29. Rc6 h5 30. Kh1 g4 31. Bd1 Qg5 32. Qf2 Kh8 33. Bb3 Rg8 34. Rec1 gxh3 35. gxh3 Qg3 36. Qxg3 fxg3 37. Rc8 Rxc8 38. Rxc8+ Kg7 39. Re8 h4 40. a4 f4 41. a5 bxa5 42. bxa5 Bd4 43. a6 Kf7 44. Re4 Bc5 45. Rxf4+ Kg6 46. Re4 Kg5 47. Re8 g2+ 48. Kh2 g1Q+ 49. Kxg1 Kf4 50. Rf8+ Kg3 51. Rf7 Kxh3 52. a7 Nc4+ 53. Kh1 Bxa7 54. Rxa7 Nd2 55. Bc2 Nf1 56. Rg7 Ng3+ 57. Rxg3+ hxg3 58. Bf5+ 1-0

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.25"]
[Round "3"]
[White "Rakov, Valery"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2265"]
[BlackElo "1920"]
[PlyCount "59"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 Be7 5. Bb2 0-0 6. Be2 c5 7. 0-0 Nc6 8. Ne5 d4 9. Nxc6 bxc6 10. Qe1 dxe3 11. dxe3 Nd5 12. e4 Bf6 13. e5 Be7 14. Na3 a5 15. c4 Ne3 16. Rf3 Nf5 17. Rh3 a4 18. Nc2 Qb6 19. g4 Nd4 20. Bxd4 cxd4 21. Bd3 h6 22. Qe4 f5 23. exf6 Rxf6 24. g5 Rf5 25. gxh6 axb3 26. hxg7 bxc2 27. Qg2 Rg5 28. fxg5 e5 29. Qe4 Kxg7 30. Qg6+ 1-0

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.24"]
[Round "2"]
[White "Tuzhba, Konstantin"]
[Black "Penteshin, Yury"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1920"]
[PlyCount "51"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 b5 2. e4 b4 3. Nf3 Bb7 4. Bd3 e6 5. 0-0 a5 6. c4 f6 7. d5 e5 8. Nxe5 g6 9. Nf3 c5 10. e5 Bg7 11. exf6 Bxf6 12. Re1+ Kf8 13. Nbd2 Ra6 14. Ne4 h6 15. Nxc5 Rb6 16. Bxg6 Ne7 17. Bh5 Ba8 18. d6 Nbc6 19. dxe7+ Bxe7 20. Nxd7+ Kg7 21. Nxb6 Qxb6 22. Qd7 Qc5 23. Qg4+ Bg5 24. Bxg5 hxg5 25. Nxg5 Ne5 26. Ne6+ 1-0

[Event "Doroshkevich Memorial op"]
[Site "Belorechensk"]
[Date "2009.05.23"]
[Round "1"]
[White "Gochelashvili, David"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2450"]
[BlackElo "1920"]
[PlyCount "33"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c6 5. Nbd2 Bd6 6. Ne5 0-0 7. Bd3 Qc7 8. Qf3 b6 9. c3 Ba6 10. Bc2 c5 11. Qh3 cxd4 12. exd4 Nc6 13. Ng4 Ne4 14. Nxe4 dxe4 15. Nf6+ gxf6 16. Qg3+ Kh8 17. Bxd6 1-0

[Event "Gagra op"]
[Site "Gagra"]
[Date "2008.09.25"]
[Round "7"]
[White "Filippov, Vladimir Mikhailovi"]
[Black "Tuzhba, Konstantin"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2024"]
[BlackElo "1920"]
[PlyCount "83"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GEO"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 Nc6 5. Bb5 e6 6. 0-0 Be7 7. d3 0-0 8. Bxc6 bxc6 9. Ne5 Qc7 10. Nd2 Nd7 11. f4 f5 12. Ndf3 a5 13. a4 Nxe5 14. Nxe5 Bd7 15. Qe2 Be8 16. Rf2 Bf6 17. Kh1 Qb6 18. Rg1 d4 19. Nc4 Qd8 20. e4 fxe4 21. Qxe4 Qd5 22. Re2 Bf7 23. Ba3 Rfe8 24. Nb6 Qxe4 25. Rxe4 Rad8 26. Bxc5 e5 27. fxe5 Bxe5 28. Rge1 Bf6 29. Rxe8+ Rxe8 30. Rxe8+ Bxe8 31. h3 Kf7 32. Nc4 Ke6 33. Bb6 Kd5 34. Bxa5 c5 35. Be1 h5 36. Kg1 h4 37. Nd2 Bg5 38. Nf3 Be3+ 39. Bf2 Bh5 40. Kf1 g5 41. Bxe3 dxe3 42. Ke2 1-0

[Event "Gagra op"]
[Site "Gagra"]
[Date "2008.09.23"]
[Round "6"]
[White "Tuzhba, Konstantin"]
[Black "Zhukov, Viktor Andreevich"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1920"]
[BlackElo "2220"]
[PlyCount "71"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GEO"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. h3 Na6 9. Be3 Nh5 10. Qd2 Qe8 11. 0-0 f5 12. Bh6 Nf4 13. Bxg7 Kxg7 14. Ne1 Nc5 15. f3 Qe7 16. Nd3 fxe4 17. Nxf4 Rxf4 18. fxe4 Nxe4 19. Nxe4 Rxe4 20. Rf2 g5 21. Bh5 Rf4 22. Raf1 Bf5 23. g3 Rxf2 24. Rxf2 Bg6 25. Bg4 b6 26. b4 axb4 27. Qxb4 Rf8 28. Qa4 e4 29. Rxf8 Qxf8 30. Qd7+ Kh6 31. Qe6 Qg7 32. Bf5 Qa1+ 33. Kf2 Qxa2+ 34. Ke3 Qxc4 35. Bxg6 Qd3+ 36. Kf2 0-1

[Event "Gagra op"]
[Site "Gagra"]
[Date "2008.09.21"]
[Round "4"]
[White "Topchan, Georgy"]
[Black "Tuzhba, Konstantin"]
[Result "0-1"]
[ECO "C47"]
[BlackElo "1920"]
[PlyCount "64"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GEO"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 Be7 5. Bd2 d6 6. Be2 0-0 7. 0-0 Be6 8. Ng5 Bd7 9. Nf3 h6 10. Be3 Be6 11. a3 Nb8 12. Nd2 d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15. f4 exf4 16. Bxf4 Bg5 17. Bg3 Qe7 18. Nf3 Bf6 19. c3 Nd7 20. Qd2 Rad8 21. Bxc7 Qc5+ 22. d4 Qxc7 23. b3 Bxb3 24. Rab1 Bd5 25. Ne1 Be4 26. Nd3 Bg6 27. Bf3 Qa5 28. Rbd1 Nb6 29. Qc1 Rc8 30. Nb4 Bg5 31. Qb2 Bf6 32. Kh1 Nc4 0-1

[Event "Gagra op"]
[Site "Gagra"]
[Date "2008.09.20"]
[Round "3"]
[White "Tuzhba, Konstantin"]
[Black "Khurkhumal, Otari"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1920"]
[PlyCount "56"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GEO"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Rc1 g6 9. Bd3 dxc4 10. Bxc4 Qe7 11. 0-0 Bg7 12. e4 0-0 13. e5 Rd8 14. Qe2 c5 15. d5 Nxe5 16. Nxe5 exd5 17. Bxd5 Qxe5 18. Qc4 Qf5 19. Rcd1 Bd4 20. Be4 Be6 21. Qb5 Qf6 22. Bxb7 Rab8 23. Qa6 Qe7 24. Bf3 Rxb2 25. Qa5 Rdb8 26. a4 Bc4 27. Nd5 Qd8 28. Rxd4 Qxa5 0-1

[Event "Gagra op"]
[Site "Gagra"]
[Date "2008.09.18"]
[Round "2"]
[White "Mironenko, Vladimir"]
[Black "Tuzhba, Konstantin"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1920"]
[PlyCount "20"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GEO"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. Re1 Bg4 8. Bg5 Nbd7 9. Nbd2 c6 10. c3 Re8 1/2-1/2

[Event "Gagra op"]
[Site "Gagra"]
[Date "2008.09.18"]
[Round "1"]
[White "Tuzhba, Konstantin"]
[Black "Zagrebelny, Sergey"]
[Result "0-1"]
[ECO "E13"]
[WhiteElo "1920"]
[BlackElo "2480"]
[PlyCount "91"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GEO"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Rc1 Bxc3+ 10. bxc3 d6 11. Nd2 Nxg3 12. hxg3 Nd7 13. e4 Qe7 14. Bd3 0-0-0 15. a4 a5 16. Qe2 Kb8 17. Rb1 Ka7 18. Nb3 c5 19. Qb2 Bc6 20. 0-0 Rb8 21. d5 Ne5 22. Be2 Bd7 23. Rfd1 f5 24. Qd2 fxe4 25. Qe3 Rhf8 26. Qxe4 exd5 27. Qxd5 Rf6 28. Nxa5 bxa5 29. Rxb8 Kxb8 30. Rb1+ Kc7 31. Qa8 Bc8 32. Qxa5+ Kd7 33. Rb8 Qd8 34. Qb5+ Ke7 35. a5 Ba6 36. Qb1 Qxa5 37. Qh7+ Nf7 38. Qg7 Qa1+ 39. Kh2 Rxf2 40. Qf8+ Kf6 41. Bh5 Bxc4 42. Rb7 Rxg2+ 43. Kxg2 Qf1+ 44. Kh2 Qf2+ 45. Kh3 Bf1+ 46. Kg4 0-1

