[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.06.05"]
[Round "9"]
[White "Kolomeets, Daniel"]
[Black "Kostanyan, Leon"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1212"]
[BlackElo "1304"]
[PlyCount "87"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. b3 Ne7 6. Bd3 0-0 7. 0-0 Bf5 8. Bb2 Bxd3 9. Qxd3 Nd7 10. Nbd2 Ng6 11. Rac1 Nf4 12. Qe3 Re8 13. Ne5 Qg5 14. g3 f6 15. Qxf4 Qxf4 16. gxf4 fxe5 17. fxe5 Be7 18. c4 c6 19. cxd5 cxd5 20. Rc7 Nb6 21. Rxb7 Bb4 22. Nf3 Rf8 23. Ng5 Rf4 24. h3 Re8 25. Bc1 Rxd4 26. e6 h6 27. Bb2 hxg5 28. Bxd4 Rxe6 29. Rxg7+ Kf8 30. Rxg5 Rd6 31. a3 Bxa3 32. Ra1 Bb4 33. Rxa7 Nd7 34. Rg7 Nf6 35. Rgb7 Ne8 36. Rh7 Rg6+ 37. Kh1 Bd6 38. Rad7 Bb4 39. h4 Bd6 40. h5 Rg5 41. Rh8+ Rg8 42. h6 Rxh8 43. Bxh8 Nc7 44. h7 1-0

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.06.04"]
[Round "8"]
[White "Kostanyan, Leon"]
[Black "Peregudov, Denis"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1304"]
[BlackElo "1568"]
[PlyCount "64"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Ne2 h6 8. Nf3 Bd6 9. 0-0 0-0 10. Re1 Qc7 11. Ng3 b5 12. Bd3 Bb7 13. Be3 a6 14. c3 c5 15. dxc5 Nxc5 16. Bc2 Rad8 17. Qe2 Rfe8 18. Rad1 Nce4 19. Nxe4 Nxe4 20. Kh1 Nf6 21. Bd4 Nd5 22. Qd3 g6 23. Ne5 Nf4 24. Qe3 Nxg2 25. Qxh6 Nxe1+ 26. f3 Nxf3 27. Nxf3 Bxf3+ 28. Kg1 e5 29. Bxg6 fxg6 30. Bxe5 Bxe5 31. Rxd8 Rxd8 32. Qxg6+ Qg7 0-1

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.06.03"]
[Round "7"]
[White "Kostanyan, Leon"]
[Black "Ativanov, Petr"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1304"]
[BlackElo "1515"]
[PlyCount "81"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Bc4 Qf6 7. c3 Ne5 8. Bb3 d6 9. h3 Bd7 10. 0-0 Ne7 11. Nd2 Qg6 12. Kh1 0-0 13. N2f3 Bxh3 14. gxh3 Qh5 15. Ng5 Qh4 16. Kg2 h6 17. Ngf3 Qxe4 18. Bc2 Qd5 19. Nf5 Qe6 20. Nxe7+ Qxe7 21. Rg1 Bxe3 22. fxe3 Nc4 23. Qd3 Nxe3+ 24. Kf2 Nxc2 25. Qxc2 Qd7 26. Rg3 Kh8 27. Rag1 Rg8 28. c4 Rae8 29. Nd4 Re5 30. Nf3 Rf5 31. Kg2 d5 32. Kh1 c5 33. Qg2 f6 34. Nh4 Rg5 35. Ng6+ Kh7 36. h4 Rxg3 37. Qxg3 Qf5 38. Nf8+ Kh8 39. Ng6+ Kh7 40. Kh2 Qe6 41. Nf8+ 1-0

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.06.02"]
[Round "6"]
[White "Kozlov, Anton S"]
[Black "Kostanyan, Leon"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1304"]
[PlyCount "61"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nf3 Nc6 6. Bd3 Bg4 7. Be3 Be7 8. 0-0 0-0 9. Nc3 Nb4 10. Be2 Re8 11. a3 Nc6 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 Nd7 15. Nxd5 Nxe5 16. Rad1 Bd6 17. c5 Bf8 18. Nb6 Qc8 19. Nxc8 Raxc8 20. Qb5 Ng4 21. Qxb7 Rb8 22. Qf3 Nxe3 23. fxe3 f6 24. b4 Re5 25. Rd7 Rbe8 26. Rxc7 a5 27. Re1 Rd8 28. Rd1 Rxd1+ 29. Qxd1 Rxe3 30. Qd5+ Kh8 31. Qf7 1-0

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.06.01"]
[Round "5"]
[White "Kostanyan, Leon"]
[Black "Zhuravleva, Olga"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1304"]
[BlackElo "2278"]
[PlyCount "45"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Nf6 4. Nc3 Bd6 5. Bc4 exd4 6. Nxd4 Nxd4 7. Qxd4 0-0 8. 0-0 Ng4 9. f4 b6 10. h3 Bc5 11. Qxc5 bxc5 12. hxg4 Qf6 13. Rf3 Qd4+ 14. Be3 Qxc4 15. Rh3 d6 16. f5 g6 17. Kf2 Rb8 18. Rah1 Rxb2 19. Nd5 Rxc2+ 20. Kg3 f6 21. Rxh7 Qxe4 22. Rh8+ Kg7 23. R1h7# 1-0

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.05.30"]
[Round "3"]
[White "Listov, Tikhon"]
[Black "Kostanyan, Leon"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "1246"]
[BlackElo "1304"]
[PlyCount "55"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Nf3 Nc6 6. Bb5 Nge7 7. Bd2 a6 8. Bxc6+ Nxc6 9. a3 Ba5 10. dxc5 0-0 11. 0-0 Qc7 12. b4 Bxb4 13. axb4 Nxe5 14. Bf4 f6 15. Re1 Nxf3+ 16. Qxf3 e5 17. Nxd5 Qf7 18. Bg3 Bd7 19. Qb3 Be6 20. c4 Rad8 21. Red1 h5 22. Nb6 g5 23. h4 g4 24. Qe3 Qh7 25. Rd6 Rde8 26. Rad1 Bc8 27. Nd7 Rf7 28. Nxf6+ 1-0

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.05.29"]
[Round "2"]
[White "Kostanyan, Leon"]
[Black "Abrosimov, Nikolay"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1304"]
[BlackElo "1691"]
[PlyCount "128"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Bc4 Nxd4 6. Qxd4 Nc6 7. Qd5 Qe7 8. 0-0 d6 9. Bb5 Bd7 10. Qb3 a6 11. Bc4 Na5 12. Qd3 Nxc4 13. Qxc4 Be6 14. Qd3 b5 15. Be3 Bc4 16. Qd4 Bxf1 17. Kxf1 Qe5 18. Nc3 Qxd4 19. Bxd4 c5 20. Be3 Be7 21. Nd5 Bd8 22. Rd1 Kd7 23. e5 Kc6 24. exd6 Re8 25. Bf4 Re4 26. c3 a5 27. f3 Re6 28. Nc7 Bxc7 29. dxc7 Rc8 30. Rd8 Re8 31. Rxe8 Rxe8 32. Kf2 Kd5 33. Be3 Rc8 34. Bf4 g5 35. Bg3 f5 36. Ke2 f4 37. Be1 c4 38. Bf2 Rxc7 39. Bb6 Re7+ 40. Kd2 a4 41. Bd8 Rg7 42. a3 Ke5 43. Ke2 Kf5 44. h3 Rd7 45. Bb6 Re7+ 46. Kf2 h5 47. Bd4 g4 48. h4 g3+ 49. Kf1 Ke6 50. Ke2 Rd7 51. Kd2 Rd6 52. Kd1 Rxd4+ 53. cxd4 Kd5 54. Kc2 Kxd4 55. Kd2 Kd5 56. Kc2 Ke5 57. Kc3 Kd5 58. Kb4 Kd4 59. Kxb5 Ke3 60. Kxa4 Kf2 61. Kb4 Kxg2 62. a4 Kf2 63. a5 g2 64. a6 g1Q 0-1

[Event "Gelendzhik op 14th"]
[Site "Gelendzhik"]
[Date "2017.05.28"]
[Round "1"]
[White "Semenov, Viktor"]
[Black "Kostanyan, Leon"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "1946"]
[BlackElo "1304"]
[PlyCount "83"]
[EventDate "2017.05.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Ba5 6. b4 Bb6 7. Nxe4 Ne7 8. c4 c6 9. Bb2 0-0 10. g3 Nd7 11. Bg2 f5 12. Ng5 Nf6 13. 0-0 a5 14. Nf4 Qd7 15. Ngxe6 Re8 16. Nc5 Bxc5 17. bxc5 Rb8 18. Re1 b5 19. cxb6 Rxb6 20. Bc3 Ba6 21. Bxa5 Rb2 22. Nd3 Rb7 23. Nc5 Qc8 24. Nxb7 Qxb7 25. Qc2 Ng6 26. Rxe8+ Nxe8 27. d5 c5 28. Rb1 Qd7 29. Rb6 Bb7 30. Rb5 Qc8 31. Bb6 f4 32. Rxc5 Qg4 33. f3 Qg5 34. Qe4 Nf6 35. Qe6+ Kh8 36. d6 Qh6 37. d7 Nxd7 38. Qxd7 Nf8 39. Qd8 Kg8 40. Rf5 g6 41. Rxf4 Qg7 42. Bd4 1-0

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.12"]
[Round "9"]
[White "Kostanyan, Leon"]
[Black "Petrosyan, Gaspar"]
[Result "1/2-1/2"]
[ECO "C41"]
[BlackElo "1000"]
[PlyCount "61"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Qa4 Bd7 6. Bb5 Nf6 7. 0-0 Be7 8. Nc3 a6 9. Bd3 0-0 10. Qb3 b5 11. Bf4 Be6 12. Nd5 Qd7 13. Ng5 Nd8 14. c3 c6 15. Nxf6+ Bxf6 16. Qc2 Qe7 17. Nxh7 Re8 18. Nxf6+ Qxf6 19. Bxd6 Nb7 20. e5 Qg5 21. f4 Qd8 22. Rad1 Qb6+ 23. Kh1 Rad8 24. Rf3 Bg4 25. Rg3 Bxd1 26. Qxd1 Qf2 27. Rf3 Qxb2 28. a3 Nxd6 29. exd6 Qxa3 30. Rg3 Qxd6 31. Qh5 1/2-1/2

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.11"]
[Round "8"]
[White "Khotenko, Daniil"]
[Black "Kostanyan, Leon"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1038"]
[PlyCount "64"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nd2 Bb7 4. Bd3 Nc6 5. Ne2 Nf6 6. Nf3 Be7 7. Ng3 0-0 8. e5 Nd5 9. c4 Ndb4 10. Bb1 d5 11. a3 Na6 12. b4 Nab8 13. Qc2 g6 14. 0-0 f6 15. b5 Na5 16. exf6 Bxf6 17. c5 bxc5 18. Bd2 Nc4 19. Nh5 cxd4 20. Nxf6+ Qxf6 21. Qd3 c5 22. bxc6 Nxc6 23. Bg5 Qg7 24. Re1 e5 25. Qb3 Rab8 26. Qc2 e4 27. Nd2 d3 28. Qc1 Qxa1 29. Nxc4 dxc4 30. Qxc4+ Kh8 31. Qxe4 Rbe8 32. Bf6+ Qxf6 0-1

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.10"]
[Round "7"]
[White "Kostanyan, Leon"]
[Black "Peregudov, Denis"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1562"]
[PlyCount "128"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. Nf3 e6 6. Bf4 Nd7 7. Bd3 Ne7 8. Nc3 Bxd3 9. Qxd3 c5 10. Nb5 Nc6 11. Nd6+ Bxd6 12. exd6 c4 13. Qa3 Qa5+ 14. Qxa5 Nxa5 15. c3 b5 16. Ne5 Nb7 17. Nc6 Nf6 18. 0-0 Ne4 19. Rfe1 Nexd6 20. Nb4 Kd7 21. a4 a5 22. Nc2 bxa4 23. Rxa4 Ra6 24. Rea1 Rb6 25. Bxd6 Kxd6 26. R1a2 Rc8 27. Kf1 Rcc6 28. Ne3 Rb3 29. Ke2 Rcb6 30. Nd1 Rc6 31. Ne3 Rc8 32. Ng4 f6 33. h5 Re8 34. f4 Rb6 35. Kd2 Rc6 36. Ra1 Rc7 37. Re1 Ra8 38. Kc2 Nd8 39. Ne3 Nc6 40. Kd2 Rb7 41. Kc1 Re7 42. Kd2 Kd7 43. Re2 Rg8 44. Ra1 g6 45. Rh1 g5 46. f5 Rge8 47. Rhe1 exf5 48. Nxf5 Rxe2+ 49. Rxe2 Rh8 50. Ne3 Ne7 51. Re1 f5 52. Ra1 Ra8 53. Kc2 a4 54. Nf1 Ke6 55. Nd2 Kf6 56. Kd1 f4 57. b3 cxb3 58. Nxb3 Nf5 59. Kd2 Ne3 60. g3 Nc4+ 61. Ke2 axb3 62. Rxa8 b2 63. Rb8 fxg3 64. Kf3 Nd2+ 0-1

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.09"]
[Round "6"]
[White "Chechetko, Georgy"]
[Black "Kostanyan, Leon"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1876"]
[PlyCount "74"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Be3 Bg7 4. Nc3 Nc6 5. Bb5 Nf6 6. f3 0-0 7. a4 a6 8. Bc4 h5 9. Nge2 h4 10. Bg5 h3 11. g3 e5 12. 0-0 Nxd4 13. Nxd4 exd4 14. Qxd4 Nh5 15. Qxg7+ Kxg7 16. Bxd8 Rxd8 17. Rad1 f5 18. e5 Rh8 19. exd6 cxd6 20. Rxd6 f4 21. g4 Ng3 22. Re1 b5 23. Re7+ Kh6 24. Bd3 Rg8 25. Nd5 Kg5 26. Re5+ Kh4 27. Nxf4 Ra7 28. Nxg6+ Rxg6 29. Rxg6 Rh7 30. Rg8 Bb7 31. Bxh7 Bxf3 32. hxg3+ Kxg3 33. Rh5 Bxg4 34. Bf5 h2+ 35. Rxh2 Kf4 36. Bxg4 bxa4 37. Bc8 a5 1-0

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.08"]
[Round "5"]
[White "Kostanyan, Leon"]
[Black "Gromova, Alexandra"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "35"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Qe7 7. Be3 d6 8. exf6 gxf6 9. Nc3 Be6 10. 0-0-0 b6 11. Nd5 Bxd5 12. Qxd5 Rb8 13. Bc4 h5 14. Rhe1 Kd8 15. Bxb6 Rxb6 16. Rxe7 Bxe7 17. Qa8+ Kd7 18. Qxh8 1-0

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.07"]
[Round "4"]
[White "Liubavsky, Grigory"]
[Black "Kostanyan, Leon"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1830"]
[PlyCount "53"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Nf6 4. f3 Bg7 5. Be3 0-0 6. Qd2 Nc6 7. 0-0-0 Ne8 8. d5 Ne5 9. Bh6 f5 10. Bxg7 Nxg7 11. h4 f4 12. Nh3 Nh5 13. Bd3 c5 14. dxc6 Nxc6 15. Bc4+ Kh8 16. Ng5 Qb6 17. Nd5 Qc5 18. Qc3+ Ne5 19. Bb3 Ng3 20. Rhe1 Qf2 21. Qd2 Qc5 22. Nxf4 Qb5 23. Nd5 Rb8 24. Nxe7 b6 25. Qxd6 Ba6 26. Rd5 Rfd8 27. Qxe5# 1-0

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.06"]
[Round "3"]
[White "Kostanyan, Leon"]
[Black "Krasilnikov, Aleksandr"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1099"]
[PlyCount "45"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. Bd2 c6 7. Bc4 e6 8. Qe2 Bd6 9. a3 Qc7 10. 0-0-0 Nbd7 11. h3 Bh5 12. d5 cxd5 13. Bxd5 Nxd5 14. Nxd5 Qc6 15. Bc3 Bxf3 16. gxf3 0-0 17. Nb4 Bf4+ 18. Bd2 Bxd2+ 19. Qxd2 Qxf3 20. Qxd7 Rad8 21. Qxd8 Qxh1 22. Qxf8+ Kxf8 23. Rxh1 1-0

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.05"]
[Round "2"]
[White "Didenko, Dmitriy"]
[Black "Kostanyan, Leon"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1904"]
[PlyCount "66"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nc3 Bb7 4. Bd3 d5 5. exd5 exd5 6. Nf3 Nf6 7. 0-0 c5 8. Re1+ Be7 9. dxc5 bxc5 10. Bf4 0-0 11. Nb5 Nbd7 12. Na3 d4 13. Ng5 Rc8 14. c4 dxc3 15. bxc3 Nb6 16. c4 Qd7 17. Nf3 Rcd8 18. Ne5 Qd4 19. Bg3 Bd6 20. Nb5 Qb2 21. Qb3 Bxe5 22. Qxb2 Bxb2 23. Rab1 Rxd3 24. Rxb2 Nxc4 25. Rc2 Re8 26. Rf1 Nd2 27. Rfc1 Red8 28. h3 Nde4 29. Kh2 Nxg3 30. fxg3 Rd2 31. Rxd2 Rxd2 32. Kh1 Rxg2 33. Rg1 Rf2+ 0-1

[Event "Gelendzhik op 13th"]
[Site "Gelendzhik"]
[Date "2017.01.04"]
[Round "1"]
[White "Kostanyan, Leon"]
[Black "Rolgeizer, Rikhard"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "1501"]
[PlyCount "60"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 Nf6 4. Nc3 d6 5. d4 Bg4 6. d5 Nd4 7. Be2 Nxe2 8. Qxe2 g6 9. h3 Bxf3 10. Qxf3 Bg7 11. 0-0 0-0 12. Bf4 Nd7 13. Qe3 Bd4 14. Qd2 Qa5 15. Rab1 Nb6 16. Qd3 Bxc3 17. bxc3 Qxa2 18. Rfe1 Rfb8 19. e5 Qxc4 20. Qxc4 Nxc4 21. exd6 exd6 22. Re7 b5 23. Rd7 a5 24. Bxd6 Nxd6 25. Rxd6 b4 26. cxb4 cxb4 27. Rc6 a4 28. d6 a3 29. Rd1 a2 30. Rcc1 b3 0-1

