[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "11"]
[White "Chayka, Vitaliy"]
[Black "Aghasiyev, Kamal"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2441"]
[PlyCount "84"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg3 0-0 6. Nbd2 b6 7. c3 Ba6 8. Bxa6 Nxa6 9. Qe2 Qc8 10. e4 Be7 11. 0-0 c5 12. Rac1 Qb7 13. exd5 Nxd5 14. Ne4 Rac8 15. Rfd1 cxd4 16. Nxd4 Nc5 17. Nd6 Bxd6 18. Bxd6 Rfd8 19. Bg3 a6 20. Rd2 b5 21. Rcd1 Na4 22. Bh4 Re8 23. Rd3 Nf4 24. Qg4 Ng6 25. Bg3 Nxb2 26. h4 Nxd1 27. Rxd1 f5 28. Qg5 Qe7 29. Qd2 Nxh4 30. Re1 Qf6 31. Be5 Qg6 32. g3 f4 33. Qxf4 Nf5 34. Nf3 h6 35. Rd1 Rcd8 36. Re1 Rd5 37. Kg2 Rc8 38. Re4 a5 39. Re1 Rc4 40. Re4 Rxe4 41. Qxe4 Rd3 42. Bf4 Nh4+ 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "4"]
[White "Chayka, Vitaliy"]
[Black "Aldokhin, Ivan"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2102"]
[BlackElo "2413"]
[PlyCount "45"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nf3 Be7 6. Nbd2 Nh5 7. Bg3 Nxg3 8. hxg3 d5 9. Bd3 g6 10. Qe2 0-0 11. dxc5 Bxc5 12. e4 dxe4 13. Nxe4 Be7 14. 0-0-0 Qa5 15. Kb1 Rb8 16. Rh6 f6 17. Rdh1 Rf7 18. Qe3 Qc7 19. Rxg6+ hxg6 20. Qh6 Rg7 21. Qh8+ Kf7 22. Nd6+ Bxd6 23. Bxg6+ 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "7"]
[White "Chayka, Vitaliy"]
[Black "Buksa, Nataliya"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2388"]
[PlyCount "80"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Nf6 4. Nf3 Bd6 5. Bg3 Nbd7 6. Nbd2 Bxg3 7. hxg3 c5 8. c3 Qc7 9. Bd3 0-0 10. g4 g6 11. g5 Ne8 12. Qe2 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Nf3 Qe7 16. 0-0-0 Ng7 17. Rh4 Bf5 18. Rdh1 Bxd3 19. Qxd3 h5 20. gxh6 Nf5 21. h7+ Kh8 22. Rf4 Rad8 23. g4 Ng7 24. Kb1 Ne6 25. Ra4 a6 26. Qc2 Rd6 27. g5 b5 28. Rg4 Ng7 29. e4 d4 30. cxd4 cxd4 31. Rd1 Ne6 32. e5 Rd5 33. Qe4 Rfd8 34. Rgg1 d3 35. Ne1 Nxg5 36. Qe3 Rxe5 37. Qb6 d2 38. Nc2 Nf3 39. Rg3 Re1 40. Nxe1 dxe1Q 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "3"]
[White "Chayka, Vitaliy"]
[Black "Kuchava, Ana"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2102"]
[BlackElo "2101"]
[PlyCount "63"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 6. Qb3 Qd7 7. Nf3 a6 8. Nbd2 e6 9. Be2 f6 10. Nh4 g5 11. Bh5+ Kd8 12. Nxf5 exf5 13. Be3 f4 14. 0-0 fxe3 15. fxe3 Be7 16. Bf3 Na5 17. Qb6+ Qc7 18. Qe6 Qd6 19. Qf7 Kc7 20. Qg7 Qe6 21. Qxh8 Qf7 22. Bg4 Rf8 23. Bf5 Nh6 24. Qxh7 Nxf5 25. Qxf5 Nc6 26. Nf3 Qg8 27. e4 dxe4 28. Qxe4 Bd6 29. h3 Re8 30. Qf5 Qg7 31. Rae1 Bg3 32. Rxe8 1-0

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "2"]
[White "Chayka, Vitaliy"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2102"]
[BlackElo "2610"]
[PlyCount "56"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. h3 d6 6. Be2 Nbd7 7. 0-0 Be7 8. a4 h6 9. a5 g5 10. Bh2 g4 11. hxg4 Nxg4 12. Bg3 Rb8 13. c4 h5 14. Nfd2 Ndf6 15. Nc3 h4 16. Bf4 h3 17. Bf3 hxg2 18. Kxg2 Rg8 19. Bg3 Nh5 20. Bxb7 Nxg3 21. Bc6+ Kf8 22. Rg1 Nf5 23. Kf3 Bh4 24. Rxg4 Rxg4 25. Kxg4 Bxf2 26. Qh1 Qf6 27. Nde4 Nxe3+ 28. Kh5 Qg6# 0-1

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "10"]
[White "Chayka, Vitaliy"]
[Black "Poltorak, Sebastian"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2102"]
[BlackElo "2379"]
[PlyCount "108"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 g6 5. h3 Bg7 6. Be2 0-0 7. 0-0 d6 8. a4 a6 9. c3 Nfd7 10. Nbd2 e5 11. Bh2 Nc6 12. Qb3 Qe7 13. Qa3 h6 14. dxe5 Ncxe5 15. Nxe5 Nxe5 16. Bxe5 Qxe5 17. Bf3 d5 18. a5 b5 19. Nb3 Rfd8 20. Nc5 Bf8 21. b4 Bxc5 22. bxc5 c6 23. Rfd1 Re8 24. Rd4 f5 25. Qb4 Re7 26. Rad1 Rae8 27. Kf1 Kg7 28. Ke2 Rf8 29. Kd2 Bc8 30. Kc1 Qf6 31. Kb2 Rfe8 32. Rg1 Be6 33. g4 fxg4 34. Rf4 Qh4 35. Bxg4 Bxg4 36. Rgxg4 Qh5 37. Qd4+ Qe5 38. Qd3 Re6 39. h4 Rf6 40. Rxf6 Qxf6 41. f4 Re4 42. h5 g5 43. Kb3 Qe6 44. Rg3 d4+ 45. Kc2 dxe3 46. fxg5 e2 47. gxh6+ Kh7 48. Re3 Qa2+ 49. Kc1 Qa1+ 50. Kd2 e1Q+ 51. Rxe1 Qxe1+ 52. Kc2 Qe2+ 53. Qxe2 Rxe2+ 54. Kd3 Re5 0-1

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "7"]
[White "Chayka, Vitaliy"]
[Black "Rogov, Matfey"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2152"]
[PlyCount "53"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. c3 c5 5. Nd2 Nc6 6. Ngf3 Bd6 7. Bg3 0-0 8. Bd3 Re8 9. Ne5 Qc7 10. f4 Ne7 11. Qf3 b6 12. Bf2 Bb7 13. g4 Bxe5 14. fxe5 Ne4 15. Nxe4 dxe4 16. Bxe4 Bxe4 17. Qxe4 a5 18. 0-0 Rad8 19. Bh4 b5 20. Rxf7 Kxf7 21. Qxh7 Rh8 22. Rf1+ Nf5 23. Rxf5+ exf5 24. e6+ Kxe6 25. Qxf5+ Kd6 26. Bg3+ Kc6 27. Qxc5+ 1-0

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "4"]
[White "Chayka, Vitaliy"]
[Black "Shapiro, Viktor"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2113"]
[PlyCount "101"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 e6 4. c3 b6 5. Nf3 Bb7 6. Be2 Be7 7. h3 0-0 8. Nbd2 d5 9. 0-0 Nc6 10. Ne5 Nxe5 11. dxe5 Nd7 12. Nf3 f6 13. exf6 Bxf6 14. a4 e5 15. Bh2 a6 16. Nd2 Qe7 17. e4 d4 18. Qb3+ Kh8 19. Nc4 Bxe4 20. Nxb6 Rab8 21. a5 d3 22. Bd1 Qd6 23. Qc4 Bg6 24. Bf3 Nxb6 25. axb6 Rxb6 26. Rfd1 Rd8 27. Ra5 Rxb2 28. Rxa6 Qf8 29. Bg3 h6 30. Be4 Bxe4 31. Qxe4 Re2 32. Qc4 e4 33. Re6 d2 34. Qxe2 Bxc3 35. Rxe4 Qf5 36. f3 Kh7 37. Bf2 Rd5 38. Rc4 Bb4 39. Qe4 Kg6 40. g4 Qxe4 41. fxe4 Re5 42. Bg3 Re6 43. e5 Ra6 44. Kf2 Ra3 45. Rf4 Rd3 46. e6 Rd8 47. e7 Re8 48. Bh4 Kh7 49. Rf8 Rxe7 50. Bxe7 c4 51. Bxb4 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "11"]
[White "Chayka, Vitaliy"]
[Black "Soraas, Torben"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2102"]
[BlackElo "2121"]
[PlyCount "75"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 cxd4 4. exd4 Qb6 5. Na3 d5 6. Nb5 Na6 7. c3 Bd7 8. a4 e6 9. Bd3 Be7 10. Nf3 Nh5 11. Be3 Nf6 12. 0-0 Nc7 13. a5 Qc6 14. Ne5 Qxb5 15. Bxb5 Bxb5 16. Bg5 Bxf1 17. Qxf1 a6 18. f4 h6 19. Bh4 Bd6 20. f5 0-0 21. Bxf6 gxf6 22. Nd7 Rfd8 23. Nxf6+ Kh8 24. Qc1 Bf8 25. Qf4 Bg7 26. Qxc7 Bxf6 27. Qxf7 Rf8 28. Qxe6 Rae8 29. Qxd5 Bg5 30. Qxb7 Rxf5 31. Qxa6 Ref8 32. Qd3 Rf2 33. a6 Rd2 34. Qe4 Rff2 35. a7 Be3 36. a8Q+ Rf8+ 37. Qxe3 Rxa8 38. Rxa8+ 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "8"]
[White "Chayka, Vitaliy"]
[Black "Tikhonov, Viacheslav"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2160"]
[PlyCount "216"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 c5 5. c3 b6 6. Nf3 Bb7 7. Nbd2 0-0 8. Be2 d5 9. 0-0 Nc6 10. a4 Nd7 11. a5 Nxa5 12. b4 Nc6 13. b5 Na5 14. Nb3 Nc4 15. Qc2 e5 16. Bg5 f6 17. Bh4 e4 18. Nfd2 Nxd2 19. Nxd2 c4 20. Ra4 a6 21. bxa6 Rxa6 22. Rxa6 Bxa6 23. Ra1 Bb5 24. Ra7 Rf7 25. Qa2 Nf8 26. Ra8 Qd7 27. Bg3 f5 28. Rb8 Rf6 29. Qa8 Re6 30. Rd8 Bc6 31. Qb8 Qb7 32. Nxc4 Qxb8 33. Rxb8 Bb5 34. Nxb6 Bxe2 35. Nxd5 Bc4 36. Nb6 Ba2 37. c4 Rxb6 38. Rxb6 Bxc4 39. Rb8 Kf7 40. Rb7+ Kg8 41. Rb8 Bd5 42. Bd6 Kf7 43. Ba3 Nd7 44. Rb5 Ke6 45. Ra5 Bf8 46. Ra6+ Kf7 47. Bxf8 Nxf8 48. Ra7+ Kf6 49. g3 h6 50. h4 Ne6 51. Ra6 Bc4 52. Rc6 Bb3 53. Rb6 Ba2 54. Kf1 g5 55. hxg5+ hxg5 56. Ke1 g4 57. Rb5 Ng7 58. Re5 Be6 59. Kd2 Bd7 60. Kc3 Ne8 61. Ra5 Nd6 62. Ra6 Ke6 63. Kb4 Kd5 64. Ra5+ Ke6 65. Re5+ Kf6 66. Ra5 Ke6 67. Ra8 Bc6 68. Rh8 Nf7 69. Rh7 Kf6 70. Kc5 Ba8 71. d5 Kg6 72. Rh1 Ne5 73. Ra1 Nd3+ 74. Kd6 Bxd5 75. Kxd5 Nxf2 76. Ke5 Nd3+ 77. Ke6 Nc5+ 78. Kd5 Nd3 79. Ra8 Kf6 80. Rf8+ Kg6 81. Ke6 Nc5+ 82. Ke5 Nd7+ 83. Kf4 Nxf8 84. Ke5 Nd7+ 85. Kf4 Nc5 86. Ke5 Nb3 87. Kf4 Nc1 88. Ke5 Kg5 89. Kd4 Kf6 90. Kc3 Ne2+ 91. Kd2 Nxg3 92. Ke1 Nh5 93. Kf2 Ke5 94. Kg2 Nf6 95. Kf2 Nd5 96. Kg2 Nxe3+ 97. Kf2 f4 98. Kg1 Kd4 99. Kf2 Kd3 100. Kg1 Nd5 101. Kf2 Nb6 102. Kg2 Na8 103. Kh2 e3 104. Kg2 f3+ 105. Kh2 e2 106. Kg3 e1Q+ 107. Kh2 Qf2+ 108. Kh1 Qg2# 0-1

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "6"]
[White "Chayka, Vitaliy"]
[Black "Vlassov, Nikolai"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2102"]
[BlackElo "2299"]
[PlyCount "108"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Nd2 Bb7 6. Ngf3 Be7 7. Bd3 d6 8. h3 Nbd7 9. Bh2 h6 10. Qe2 Qc7 11. e4 Rc8 12. 0-0 g5 13. e5 g4 14. hxg4 Nxg4 15. exd6 Bxd6 16. Bxd6 Qxd6 17. Ne4 Bxe4 18. Qxe4 Ndf6 19. dxc5 bxc5 20. Qa4+ Ke7 21. Rad1 Qc7 22. Rfe1 h5 23. Bf1 h4 24. b4 Rcg8 25. Qa5 Qxa5 26. bxa5 h3 27. Rb1 h2+ 28. Nxh2 Nxh2 29. Rb7+ Kf8 30. Be2 Nhg4 31. Rxa7 Kg7 32. Bxg4 Nxg4 33. Rxe6 Rd8 34. g3 Rd1+ 35. Kg2 Rd2 36. Kf3 Nxf2 37. Ree7 Rf8 38. Rac7 Nd3 39. a6 Rxa2 40. a7 Ra3 41. Ke4 Nf2+ 42. Kf3 Nh3 43. Kg4 Nf2+ 44. Kf3 Nd1 45. Rxc5 Ra8 46. Rcc7 Rxc3+ 47. Rxc3 Nxc3 48. Kg4 Nb5 49. Rb7 Nxa7 50. Kf4 Nc6 51. Rb6 Ra4+ 52. Kf3 Ne5+ 53. Kf2 Ra2+ 54. Ke3 Nc4+ 0-1

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "1"]
[White "Chayka, Vitaliy"]
[Black "Yanchenko, Roman"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2466"]
[PlyCount "100"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. Bd3 Bg6 5. Nf3 Nf6 6. 0-0 c5 7. c4 Nc6 8. Nc3 cxd4 9. exd4 Be7 10. Bxg6 hxg6 11. Qb3 Bb4 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. Qxd5 exd5 15. a3 Be7 16. Rfe1 Kd7 17. Ne5+ Nxe5 18. Bxe5 f6 19. Bf4 Rhc8 20. Rac1 g5 21. Be3 b5 22. Kf1 Rc4 23. Ke2 a5 24. Kd3 a4 25. Re2 Bd6 26. h3 Re8 27. Rxc4 dxc4+ 28. Kc2 Kc6 29. Re1 b4 30. axb4 Bxb4 31. Ra1 Kb5 32. d5 Rd8 33. Rd1 Bc5 34. Bxc5 Kxc5 35. Ra1 Ra8 36. Rd1 a3 37. Ra1 a2 38. Kc3 Kxd5 39. Rd1+ Kc5 40. Ra1 f5 41. f3 f4 42. Kd2 Kd4 43. Kc2 Ke3 44. Kc3 Kf2 45. Kxc4 Kxg2 46. b4 Kxf3 47. b5 Kg2 48. b6 f3 49. b7 Rb8 50. Rxa2+ f2 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "1"]
[White "Cubas, Jose Fernando"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2427"]
[BlackElo "2102"]
[PlyCount "105"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 0-0 7. a5 c6 8. 0-0 Rb8 9. Re1 b5 10. axb6 axb6 11. Bb3 b5 12. h3 Qc7 13. Nh4 Nb6 14. dxe5 dxe5 15. Qf3 Be6 16. Nf5 Bxf5 17. Qxf5 b4 18. Na4 Ra8 19. Be3 Nxa4 20. Rxa4 Rxa4 21. Bxa4 c5 22. g4 c4 23. g5 g6 24. Qf3 Nh5 25. b3 c3 26. Bb5 Nf4 27. Bxf4 exf4 28. h4 Qe5 29. Bc4 Rd8 30. Ra1 Bc5 31. Bd5 Kg7 32. Kg2 Bb6 33. Ra4 Bc5 34. Ra5 Bd6 35. Ra7 Be7 36. Qg4 Kf8 37. Rb7 Qd6 38. Kf3 Rb8 39. Rd7 Qe5 40. Qxf4 Qxf4+ 41. Kxf4 Ke8 42. Ra7 Rb6 43. f3 Rb8 44. Kg4 Kf8 45. f4 Rd8 46. h5 Rb8 47. h6 Ke8 48. f5 Kf8 49. f6 Bc5 50. Rxf7+ Ke8 51. Rxh7 Rb6 52. Rh8+ Bf8 53. h7 1-0

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "9"]
[White "Goryachkina, Aleksandra"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2553"]
[BlackElo "2102"]
[PlyCount "113"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. a4 a5 8. Ba2 c6 9. Re1 exd4 10. Nxd4 Nc5 11. h3 Be6 12. Nxe6 fxe6 13. Be3 d5 14. exd5 exd5 15. Bd4 Bd6 16. Qe2 Qd7 17. Rad1 Rae8 18. Qd2 Nfe4 19. Nxe4 Nxe4 20. Qxa5 Ra8 21. Bxd5+ Kh8 22. Qxa8 Rxa8 23. Bxe4 Qc7 24. b3 Rd8 25. Be3 Be5 26. Rxd8+ Qxd8 27. Bd3 Bc3 28. Rd1 g6 29. Be2 Qe7 30. Bg4 h5 31. Bf3 Be5 32. a5 Bd6 33. a6 bxa6 34. Bxc6 Kh7 35. Bf4 Bxf4 36. Rd7 Qxd7 37. Bxd7 Kg7 38. g3 Bd6 39. Kg2 g5 40. Kf3 Kf6 41. Be8 h4 42. gxh4 gxh4 43. Kg4 Bc5 44. f4 Bf2 45. Bd7 a5 46. Bb5 Be1 47. Bd3 Bf2 48. Kf3 Bc5 49. Ke4 Bb4 50. f5 Be1 51. Kd5 Bc3 52. Kc4 Be1 53. c3 Ke5 54. b4 axb4 55. cxb4 Bf2 56. Kb5 Bd4 57. Kc6 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "2"]
[White "Harsha, Bharathakoti"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2562"]
[BlackElo "2102"]
[PlyCount "145"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nd7 3. c4 e5 4. Nc3 Ngf6 5. g3 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 a6 9. Rd1 Qc7 10. b3 b5 11. Bb2 Bb7 12. e3 Rfe8 13. Rac1 b4 14. Na4 c5 15. dxe5 dxe5 16. Nd2 Rad8 17. Ne4 Bf8 18. Nxf6+ Nxf6 19. Rxd8 Rxd8 20. Bxe5 Qxe5 21. Bxb7 h5 22. Rd1 Rxd1+ 23. Qxd1 h4 24. Bf3 Qf5 25. g4 Qe5 26. h3 Bd6 27. Bg2 Bc7 28. Kf1 a5 29. Qb1 g6 30. Nb2 Qc3 31. Nd3 Bd6 32. Ke2 Nd7 33. Qb2 Ne5 34. Qxc3 bxc3 35. Ne1 g5 36. Nc2 Kf8 37. Be4 f6 38. Na3 Nd7 39. Bf5 Nb6 40. Kd3 Be5 41. Nb5 a4 42. Nxc3 axb3 43. axb3 Ke7 44. Ne4 Bd6 45. b4 Na4 46. b5 Nb6 47. Nc3 Be5 48. Ne2 Bh2 49. Be4 Kd6 50. Bh7 Ke5 51. Bg8 Kd6 52. f4 gxf4 53. exf4 Nd7 54. Ke4 Nf8 55. Kf3 Ng6 56. Bh7 Ne7 57. Kg2 Bg3 58. Nxg3 hxg3 59. Kxg3 Nc8 60. Bd3 Nb6 61. h4 Ke7 62. h5 Kf7 63. g5 Kg7 64. Kg4 fxg5 65. fxg5 Nd7 66. h6+ Kg8 67. Kf5 Nf8 68. Be4 Nd7 69. Bd5+ Kh8 70. g6 Nf6 71. g7+ Kh7 72. Kxf6 Kxh6 73. g8Q 1-0

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "5"]
[White "Kokoszczynski, Jan"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2272"]
[BlackElo "2102"]
[PlyCount "62"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. c4 d6 2. d4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. h4 Nf6 7. g3 0-0 8. Nh3 c5 9. d5 Nbd7 10. b3 Ne5 11. Bb2 Nfg4 12. e3 Nf3+ 13. Ke2 Bf6 14. Bg2 Nfe5 15. Nf4 Qe7 16. Qd2 g6 17. Rhd1 a6 18. a4 Bd7 19. a5 Rab8 20. Qc2 b5 21. axb6 Rxb6 22. Ra3 Rfb8 23. Rda1 Nxc4 24. Rxa6 Rxb3 25. Nd1 Nxb2 26. Ra8 Kg7 27. Rxb8 Rxb8 28. Kf1 Nd3 29. Ra7 Nxf4 30. exf4 Bb5+ 31. Kg1 Qxa7 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "5"]
[White "Kunal, M."]
[Black "Chayka, Vitaliy"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2250"]
[BlackElo "2102"]
[PlyCount "69"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 a5 9. h3 exd4 10. Nxd4 Nc5 11. Qf3 Be6 12. Ba2 Qb6 13. Nf5 Bxf5 14. exf5 Rfe8 15. Bc4 d5 16. Bf1 Bd6 17. Rd1 Nfe4 18. Ne2 Be5 19. c3 Qb3 20. Nd4 Bxd4 21. cxd4 Qxf3 22. gxf3 Nb3 23. Ra3 Nxc1 24. fxe4 Rxe4 25. Rxc1 Rxd4 26. Re3 Rxa4 27. Re7 Rb4 28. Rce1 Kf8 29. Rc7 Re8 30. Rb1 a4 31. Ra1 Re7 32. Rc8+ Re8 33. Rc7 Re7 34. Rc8+ Re8 35. Rc7 1/2-1/2

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "3"]
[White "Lukina, Alexandra"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1899"]
[BlackElo "2102"]
[PlyCount "60"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. e3 Nd7 4. Nc3 g6 5. d5 Bg7 6. e4 a5 7. Nf3 Nc5 8. Qc2 h6 9. Be3 f5 10. Bxc5 dxc5 11. exf5 Bxf5 12. Bd3 Ne7 13. 0-0 0-0 14. Ne4 b6 15. Nh4 g5 16. Nxf5 Nxf5 17. Qe2 Qe8 18. Qg4 Nd4 19. h4 Rf4 20. Qd1 gxh4 21. Rc1 Kh8 22. Bb1 Qe7 23. Qd3 Rg8 24. Nxc5 e4 25. Nxe4 Be5 26. d6 cxd6 27. Nc3 Qg7 28. Qh3 Rf3 29. g3 hxg3 30. Kg2 gxf2+ 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "10"]
[White "Nouali, Mohamed"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2137"]
[BlackElo "2102"]
[PlyCount "53"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. f4 Bb4 7. fxe5 Nxe4 8. Nge2 Re8 9. Bf4 Nxc3 10. Nxc3 Be6 11. 0-0-0+ Nd7 12. Nd5 Ba5 13. Bc4 Kc8 14. c3 h6 15. Rhe1 c6 16. Ne3 Bc7 17. Bxe6 Rxe6 18. Nc4 b5 19. Nd6+ Bxd6 20. exd6 Kb7 21. Rxe6 fxe6 22. Re1 Re8 23. Bg3 c5 24. Rf1 Rf8 25. Rxf8 Nxf8 26. Be5 Ng6 27. d7 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "9"]
[White "Rian, Kapriaga"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2089"]
[BlackElo "2102"]
[PlyCount "60"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nd7 3. Nc3 e5 4. e4 Ngf6 5. Be2 Be7 6. 0-0 0-0 7. a4 a5 8. Re1 c6 9. Bf1 exd4 10. Nxd4 Nc5 11. Qf3 Be6 12. b3 Qb6 13. Bb2 Rfe8 14. Rad1 Rad8 15. h3 d5 16. exd5 Nxd5 17. Nxd5 Bxd5 18. Qg3 Bf6 19. Ba1 Ne4 20. Qg4 Qb4 21. Nf5 Bxa1 22. Rxa1 g6 23. Bd3 h5 24. Qh4 gxf5 25. Qxh5 Qd4 26. Qxf5 Nd6 27. Qh7+ Kf8 28. Rxe8+ Nxe8 29. Re1 Qg7 30. Qh5 Qxg2# 0-1

[Event "Titled Tuesday intern op 06th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "8"]
[White "Stark, Lars"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2367"]
[BlackElo "2102"]
[PlyCount "98"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. c4 d6 2. g3 e5 3. Bg2 Nf6 4. Nc3 Be7 5. e3 0-0 6. Nge2 c6 7. d4 Nbd7 8. 0-0 Qc7 9. b3 Re8 10. Ba3 Bf8 11. Qc2 g6 12. Rac1 exd4 13. Nxd4 Nc5 14. h3 Ne6 15. Nxe6 Bxe6 16. Rfd1 Rad8 17. e4 h5 18. Qd2 Qc8 19. Kh2 h4 20. g4 Bxg4 21. hxg4 Nxg4+ 22. Kg1 Bh6 23. f4 Qc7 24. Ne2 Qb6+ 25. Qd4 Qa5 26. Bb2 Ne5 27. Ra1 h3 28. fxe5 dxe5 29. Qc3 Qc5+ 30. Kh2 hxg2 31. Kxg2 Rxd1 32. Rxd1 Kg7 33. b4 Qe7 34. c5 a5 35. a3 axb4 36. axb4 Bg5 37. Rd6 Bf6 38. Qf3 Ra8 39. Rd2 Qe6 40. Qh3 Qe7 41. Rd7 Qe8 42. Rd2 Qe7 43. Bc3 Ra3 44. Qd7 Qf8 45. Qxb7 Qh8 46. Rd7 Ra2 47. Rxf7+ Kh6 48. Kf3 Kg5 49. Qd7 Qh1+ 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "6"]
[White "Tokman, Ariel"]
[Black "Chayka, Vitaliy"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2399"]
[BlackElo "2102"]
[PlyCount "167"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 e5 4. Bc4 Be7 5. d3 0-0 6. 0-0 c6 7. a4 Nbd7 8. a5 Rb8 9. h3 b5 10. axb6 axb6 11. Bg5 b5 12. Bb3 Nc5 13. Ba2 Qc7 14. b4 Ne6 15. Be3 Bd7 16. Bb3 Ra8 17. Qd2 Nh5 18. Ne2 Qb7 19. d4 Nf6 20. dxe5 Nxe4 21. Qd3 d5 22. c3 Rxa1 23. Rxa1 Ra8 24. Rb1 h6 25. Nfd4 Nxd4 26. Bxd4 Be6 27. f3 Ng5 28. Ng3 Qd7 29. f4 Ne4 30. Nxe4 dxe4 31. Bxe6 fxe6 32. Qxe4 Ra2 33. Rf1 Qd5 34. Qxd5 cxd5 35. f5 Kf7 36. Kh2 exf5 37. Rxf5+ Ke6 38. Rf3 Bg5 39. Kg3 h5 40. h4 Bh6 41. Rf2 Rxf2 42. Kxf2 Kf5 43. Kf3 g6 44. e6 Kxe6 45. g4 Bd2 46. Kg3 Be1+ 47. Kh3 Kd6 48. Bg7 Ke6 49. Bd4 Kd6 50. Bf6 Bf2 51. gxh5 gxh5 52. Kg2 Be1 53. Kf1 Bg3 54. Kg2 Be5 55. Bxe5+ Kxe5 56. Kf3 d4 57. cxd4+ Kxd4 58. Kf4 Kc4 59. Kg5 Kxb4 60. Kxh5 Kc5 61. Kg5 b4 62. h5 b3 63. h6 b2 64. h7 b1Q 65. h8Q Qg1+ 66. Kf4 Qf2+ 67. Ke4 Qg2+ 68. Kf4 Qd2+ 69. Ke4 Qd5+ 70. Ke3 Qe6+ 71. Kd3 Qf5+ 72. Kc3 Qf3+ 73. Kd2 Qg2+ 74. Kd3 Qf1+ 75. Ke4 Qe2+ 76. Kf4 Qf2+ 77. Ke4 Qg2+ 78. Kd3 Qf3+ 79. Kd2 Qf4+ 80. Kd3 Qf5+ 81. Kd2 Qg5+ 82. Kd3 Qg3+ 83. Kd2 Qg2+ 84. Kd3 1/2-1/2

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "10"]
[White "Chayka, Vitaliy"]
[Black "Michalski, Olaf"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2102"]
[BlackElo "2251"]
[PlyCount "57"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nc6 3. Nf3 Bg4 4. e3 e5 5. dxe5 dxe5 6. Qxd8+ Rxd8 7. Bg3 a6 8. a3 f6 9. Nc3 Bc5 10. Bc4 b5 11. Ba2 h5 12. h3 Bf5 13. e4 Bh7 14. Bd5 Nge7 15. 0-0-0 g5 16. Rhe1 h4 17. Bh2 Bxf2 18. Re2 Bc5 19. b4 Bb6 20. Bg1 Bxg1 21. Rxg1 Nd4 22. Rd2 Nxd5 23. Nxd5 Nxf3 24. gxf3 Kf7 25. Nxc7 Rxd2 26. Kxd2 a5 27. Nd5 axb4 28. axb4 Ra8 29. Rc1 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "1"]
[White "Chayka, Vitaliy"]
[Black "Riff, Vincent"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2102"]
[BlackElo "2370"]
[PlyCount "80"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. h3 Bg7 5. Nf3 0-0 6. Be2 c5 7. c3 Qb6 8. Qc1 Nc6 9. Nbd2 Be6 10. 0-0 Rac8 11. dxc5 Qxc5 12. Nb3 Qb6 13. Nbd4 Bd7 14. Nxc6 Bxc6 15. Nd4 Bd7 16. Bh2 Ne4 17. Rb1 Rfe8 18. Qd1 e5 19. Nf3 Bf5 20. Bd3 d5 21. Nh4 Be6 22. Nf3 Nxf2 23. Rxf2 e4 24. Nd4 exd3 25. Qxd3 Bxd4 26. exd4 Bf5 27. Rxf5 gxf5 28. Qxf5 Qg6 29. Qxg6+ hxg6 30. Be5 Re6 31. Rf1 Rcc6 32. g4 f6 33. Bg3 Re2 34. Rf2 Rxf2 35. Kxf2 Rb6 36. b3 Ra6 37. a4 Rb6 38. b4 Rc6 39. Bf4 Rxc3 40. Be3 Rc4 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "11"]
[White "Chayka, Vitaliy"]
[Black "Vanek, Tomas"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2102"]
[BlackElo "2132"]
[PlyCount "72"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 d5 3. e3 g6 4. c4 Nf6 5. Nc3 c6 6. Nf3 Bg7 7. Bd3 0-0 8. 0-0 e6 9. Qc2 Ne4 10. h3 Na6 11. a3 Nc7 12. Ne2 Ne8 13. Ne5 g5 14. Bh2 h5 15. f3 N4d6 16. c5 Bxe5 17. dxe5 Nf7 18. Nd4 Ng7 19. g4 Nh6 20. Kh1 Bd7 21. Rg1 Kh8 22. gxf5 Ngxf5 23. Rae1 Nxd4 24. exd4 Nf5 25. f4 gxf4 26. Bxf4 Qh4 27. Qh2 Rg8 28. Rxg8+ Rxg8 29. Rg1 Rxg1+ 30. Kxg1 Qe1+ 31. Bf1 Be8 32. Qg2 Bf7 33. Qg5 Kh7 34. Kg2 Qb1 35. Qf6 Qc2+ 36. Kg1 Bg6 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "3"]
[White "Chayka, Vitaliy"]
[Black "Yagupov, Igor"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2102"]
[BlackElo "2290"]
[PlyCount "136"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. h3 Bg7 5. Nf3 0-0 6. Be2 c5 7. c3 Qb6 8. Qb3 c4 9. Qa3 Nc6 10. b3 cxb3 11. axb3 Qd8 12. Nbd2 Bf5 13. b4 a6 14. 0-0 Ne4 15. Rfc1 Nxd2 16. Nxd2 e5 17. Bh2 Re8 18. Bf1 Bf8 19. Nb3 exd4 20. exd4 a5 21. Nc5 axb4 22. Qxa8 Qxa8 23. Rxa8 Rxa8 24. cxb4 Nxd4 25. Nxb7 Bxb4 26. Bd6 Bxd6 27. Nxd6 Be6 28. Rd1 Nc6 29. Nb5 Rd8 30. Nd4 Nxd4 31. Rxd4 Kf8 32. g3 Ke7 33. Bg2 Kd6 34. Kf1 Kc5 35. Rd1 d4 36. Ke2 Bc4+ 37. Kd2 Rb8 38. Rc1 Rb2+ 39. Rc2 Rb1 40. Be4 Rb3 41. h4 h6 42. h5 g5 43. g4 Kb4 44. f3 f6 45. Bc6 Rd3+ 46. Kc1 Bb3 47. Rd2 Rc3+ 48. Kb2 Rxc6 49. Rxd4+ Bc4 50. Re4 Ra6 51. Kc2 Ra2+ 52. Kd1 Kc3 53. Ke1 Bd3 54. Re7 Ra4 55. Kf2 Rf4 56. Kg3 Kd2 57. Re6 Be2 58. Rd6+ Ke1 59. Re6 Rxf3+ 60. Kg2 Rf4 61. Re7 Rxg4+ 62. Kh3 Rh4+ 63. Kg3 Rxh5 64. Re6 f5 65. Re7 Rh4 66. Re6 f4+ 67. Kg2 f3+ 68. Kg3 f2 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "9"]
[White "Floresvillar Gonzalez, Luis Miguel"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2019"]
[BlackElo "2102"]
[PlyCount "73"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d6 2. c3 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. e4 Be6 6. Nd2 Bc5 7. Bc4 Bxc4 8. Nxc4 f6 9. Be3 Bxe3 10. Nxe3 c6 11. 0-0-0+ Nd7 12. Nf5 g6 13. Nd6 Ke7 14. Nxb7 Nh6 15. f3 a5 16. Ne2 Nf7 17. Rxd7+ Kxd7 18. Nc5+ Kc7 19. Kc2 Kd6 20. Nb3 a4 21. Rd1+ Ke7 22. Nc5 Rhe8 23. Rd7+ Kf8 24. Rc7 Rec8 25. Rxc8+ Rxc8 26. Nxa4 Ke7 27. b4 f5 28. Ng3 Kf6 29. Nc5 Rd8 30. a4 h5 31. h4 Nd6 32. a5 Nc4 33. Nf1 g5 34. hxg5+ Kxg5 35. Ne6+ Kf6 36. Nxd8 Nd6 37. exf5 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "2"]
[White "Loebler, Heimo"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2083"]
[BlackElo "2102"]
[PlyCount "86"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Nf6 6. g3 h6 7. Nh3 c6 8. Bg2 Be7 9. 0-0 0-0 10. d5 c5 11. f3 exf3 12. exf3 Nbd7 13. f4 Ng4 14. Nf2 Ndf6 15. Nxg4 Nxg4 16. h3 Nf6 17. Re1 a6 18. a4 Rb8 19. Be3 Bd7 20. a5 b6 21. axb6 Rxb6 22. Ra2 Re8 23. Bf2 Qb8 24. Qc2 Bf8 25. Rxe8 Bxe8 26. Qxf5 Rxb2 27. Rxb2 Qxb2 28. Ne4 Bf7 29. g4 Nxe4 30. Bxe4 g6 31. Qc8 a5 32. f5 Qf6 33. fxg6 Bxg6 34. Bxg6 Qxg6 35. Qa8 Qb1+ 36. Kh2 Qb4 37. Be3 Qb2+ 38. Kg3 Qe5+ 39. Bf4 Qc3+ 40. Kh4 Qf6+ 41. Kg3 Qc3+ 42. Kh4 Qe1+ 43. Kh5 Qe7 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "4"]
[White "Vargas, Mauricio"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1958"]
[BlackElo "2102"]
[PlyCount "90"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d6 2. f4 c5 3. Nf3 g6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 Nc6 7. 0-0 Bg7 8. c3 e6 9. Na3 Nge7 10. Nc4 b5 11. Ne3 d5 12. e5 0-0 13. d4 cxd4 14. Nxd4 Nxd4 15. Qxd4 Nc6 16. Qd1 d4 17. Ng4 Rfd8 18. Qe1 h5 19. Nf6+ Bxf6 20. exf6 dxc3 21. bxc3 Qd5 22. Qh4 Qf5 23. Be3 Rd3 24. Rae1 Rad8 25. Bxa7 Nxa7 26. Re5 Qg4 27. Qf2 Rd2 28. Rg5 Rxf2 29. Rxg4 Rxf1+ 30. Kxf1 hxg4 31. Kf2 Rd2+ 32. Kg3 Rxa2 33. Kxg4 Rc2 34. g3 Rxc3 35. h4 b4 36. h5 gxh5+ 37. Kxh5 b3 38. g4 Rh3+ 39. Kg5 b2 40. f5 exf5 41. Kxf5 b1Q+ 42. Kg5 Qb5+ 43. Kf4 Qc4+ 44. Kg5 Qd5+ 45. Kf4 Rf3# 0-1

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "9"]
[White "Azali, Tannaz"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2099"]
[BlackElo "2111"]
[PlyCount "82"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 Be7 4. Nc3 Bg5 5. e4 Bxc1 6. Rxc1 Nd7 7. g3 a5 8. Bg2 Nc5 9. Nge2 Nf6 10. 0-0 0-0 11. b3 Bd7 12. a3 Qe7 13. b4 axb4 14. axb4 Na6 15. Rb1 c5 16. bxc5 Nxc5 17. Qc2 Rfc8 18. Ra1 Qd8 19. h3 Rxa1 20. Rxa1 Ra8 21. Rb1 Qc8 22. Kh2 Na4 23. Nxa4 Rxa4 24. c5 dxc5 25. Nc3 Rd4 26. Rb6 c4 27. Qb2 Rd3 28. Rxb7 Qc5 29. Rb8+ Ne8 30. Bf1 Rd4 31. Bg2 h6 32. Rd8 Qe7 33. Qb8 Kh7 34. d6 Qxd6 35. Rxe8 Bxe8 36. Qxe8 Qf6 37. Qc8 Qxf2 38. Qf5+ Qxf5 39. exf5 Rd3 40. Ne4 c3 41. f6 c2 0-1

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "10"]
[White "Chayka, Vitaliy"]
[Black "Espinoza Villanueva, Rodrigo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2111"]
[BlackElo "1893"]
[PlyCount "58"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 d6 5. Nf3 0-0 6. c3 Nc6 7. Be2 Nd7 8. 0-0 e6 9. Bh2 e5 10. a4 Qe7 11. a5 a6 12. Qb3 Kh8 13. Nbd2 f5 14. dxe5 dxe5 15. Nc4 f4 16. exf4 exf4 17. Rfe1 Qf7 18. Ng5 Qf5 19. Nf3 g5 20. Rad1 Qg6 21. Bd3 Qh5 22. Qa3 Nf6 23. Nfe5 g4 24. hxg4 Nxg4 25. Nxg4 Bxg4 26. f3 Bxf3 27. gxf3 Qxf3 28. Qc5 Bd4+ 29. cxd4 Rg8+ 0-1

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "7"]
[White "Chayka, Vitaliy"]
[Black "Kornyukov, Alexey"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2111"]
[BlackElo "2452"]
[PlyCount "71"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 Bxg3 6. hxg3 Nbd7 7. Nbd2 0-0 8. Bd3 c5 9. c3 c4 10. Bc2 Qb6 11. Rb1 Qa6 12. g4 g6 13. a3 Nxg4 14. e4 dxe4 15. Nxe4 f5 16. Neg5 Ndf6 17. Qe2 h5 18. Kd2 Nd5 19. g3 Bd7 20. Rbe1 Rae8 21. Ne5 Nxe5 22. Qxe5 Qb6 23. Kc1 Qc7 24. Qe2 b5 25. f3 a5 26. Qd2 Qxg3 27. Nh3 Qxf3 28. Bd1 Qd3 29. Qh6 Rf6 30. Rhg1 Ne7 31. Nf4 Qe4 32. Rxe4 fxe4 33. Nxh5 Rf5 34. Rxg6+ Nxg6 35. Qxg6+ Kf8 36. Qg7# 1-0

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "5"]
[White "Chayka, Vitaliy"]
[Black "Sabatier, Mathis"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2111"]
[BlackElo "2125"]
[PlyCount "109"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 e6 5. b4 a5 6. c3 Nc6 7. Bb5 Bd7 8. Qb3 b6 9. Bxc6 Bxc6 10. b5 Bb7 11. c6 Bc8 12. a4 Bd6 13. Ne2 0-0 14. 0-0 e5 15. Bg3 Be6 16. Qb2 Ne4 17. Nd2 Nc5 18. Qc2 h5 19. h3 h4 20. Bh2 Qg5 21. Nf3 Qh5 22. Nfd4 Bc8 23. Nc1 Ne4 24. Nde2 Bf5 25. Nd3 Qg6 26. Kh1 Nxf2+ 27. Rxf2 Bxd3 28. Qd2 Be4 29. c4 dxc4 30. Nc3 Bb4 31. Rd1 Bd3 32. Bxe5 Rfe8 33. Bd4 Qg3 34. Rf3 Qg5 35. Qf2 Bd6 36. Bxb6 Bg3 37. Qg1 f6 38. Bd4 Kh8 39. Rd2 Rac8 40. Rb2 Bd6 41. Qf2 Be5 42. Bxe5 Qxe5 43. Qd2 g5 44. Nd1 f5 45. Qc3 Qxc3 46. Nxc3 g4 47. hxg4 fxg4 48. Rf4 Rxe3 49. Rxg4 Re1+ 50. Kh2 Rc1 51. Rxh4+ Kg7 52. Nd5 c3 53. Rb3 Bc4 54. Rxc3 Bxd5 55. Rxc1 1-0

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "3"]
[White "Chayka, Vitaliy"]
[Black "Yeritsyan, Hayk"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2111"]
[BlackElo "2203"]
[PlyCount "76"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 d6 5. Nbd2 Nbd7 6. h3 g6 7. Bd3 Bg7 8. 0-0 0-0 9. Qe2 Re8 10. e4 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Be3 Nh5 14. Bb5 c6 15. Bc4 Qe7 16. g3 Bc8 17. Kg2 Be6 18. a4 Rad8 19. a5 b5 20. Bxe6 fxe6 21. Nb3 Qb4 22. Bxa7 Bh6 23. Bb6 Rd7 24. a6 Ra8 25. a7 Bf8 26. Rfd1 Rb7 27. Be3 Qxe4+ 28. Qf3 Qxc2 29. Na5 Rf7 30. Qg4 Nf4+ 31. gxf4 exf4 32. Bd4 c5 33. Be5 Qe4+ 34. Qf3 Qxe5 35. Qxa8 f3+ 36. Kf1 Qe2+ 37. Kg1 Rf5 38. h4 Rf4 0-1

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "6"]
[White "Melikhov, Evgeny V"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2189"]
[BlackElo "2111"]
[PlyCount "97"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Bd3 e5 4. d5 c6 5. c4 cxd5 6. cxd5 Nbd7 7. Nc3 Nc5 8. Bc2 a5 9. Nf3 Be7 10. h3 0-0 11. 0-0 Bd7 12. a4 Qb6 13. Ra3 Rfc8 14. Qe2 Bd8 15. Re1 Na6 16. Nb5 Bxb5 17. axb5 Nb4 18. Ba4 Qa7 19. Rc3 Bb6 20. Be3 Bxe3 21. Qxe3 Qxe3 22. Rexe3 Nd7 23. Nd2 Nb6 24. Bd1 Na2 25. Ra3 Rc1 26. Re1 Nb4 27. Kf1 Kf8 28. Nb3 Rb1 29. Rxa5 Rxa5 30. Nxa5 Nd3 31. Nxb7 Nxe1 32. Kxe1 Nc4 33. b3 Nb2 34. Kd2 Nxd1 35. Kc2 Ra1 36. Nxd6 Ke7 37. Nc4 Nxf2 38. b6 f6 39. b7 Nxe4 40. b8Q Ra2+ 41. Kd3 Nf2+ 42. Ke3 Nd1+ 43. Kf3 Rf2+ 44. Kg3 Kf7 45. d6 h5 46. d7 Kg6 47. Qe8+ Kh6 48. d8Q h4+ 49. Kh2 1-0

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "8"]
[White "Mizzi, Jack"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2043"]
[BlackElo "2111"]
[PlyCount "70"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nf3 f6 6. Nc3 Be6 7. e4 Nd7 8. Be3 c6 9. 0-0-0 Kc7 10. Kc2 g6 11. Be2 Bh6 12. Bxh6 Nxh6 13. Rd2 a5 14. Rhd1 Nc5 15. h3 Nf7 16. g4 g5 17. Nh2 Rad8 18. b3 Rxd2+ 19. Rxd2 Nd8 20. Nf1 Bf7 21. Ne3 Nde6 22. Nf5 Bg6 23. a3 Bxf5 24. exf5 Nd4+ 25. Kb2 Ncxb3 26. Rd1 Nc5 27. f3 h5 28. gxh5 Rxh5 29. f4 Nxe2 30. Nxe2 gxf4 31. Rg1 Rxh3 32. Rg7+ Kd6 33. Nc3 Rh2+ 34. Kc1 e4 35. Ne2 Rxe2 0-1

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "11"]
[White "Osinovsky, Stepan"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2241"]
[BlackElo "2111"]
[PlyCount "90"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. f3 Be6 7. Nh3 h6 8. Nf2 Nbd7 9. a3 c6 10. b3 Kc7 11. Bb2 Be7 12. Nd3 h5 13. Nd1 Bd6 14. Ne3 b5 15. Be2 g6 16. 0-0-0 Rhd8 17. Kb1 a6 18. Rhe1 Ne8 19. g3 Nef6 20. Bf1 h4 21. Bg2 hxg3 22. hxg3 Nh5 23. g4 Nf4 24. Nxf4 exf4 25. Nd5+ cxd5 26. exd5 Nc5 27. dxe6 Nxe6 28. Bf1 Bc5 29. b4 Bf2 30. Be5+ Kc6 31. Rxd8 Rxd8 32. Rc1 Rd5 33. Bb2 Be3 34. c4 bxc4 35. Rxc4+ Kb6 36. Be2 Ng5 37. a4 Nh3 38. a5+ Kb7 39. Rc2 Ng1 40. Bc4 Rd1+ 41. Ka2 Nxf3 42. Bxf7 Ne5 43. Be6 Bd4 44. Bd5+ Kb8 45. Be4 g5 0-1

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "4"]
[White "Sharafiev, Azat"]
[Black "Chayka, Vitaliy"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2427"]
[BlackElo "2111"]
[PlyCount "93"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Nbd7 8. Nge2 Bd6 9. Kb1 a6 10. Nc1 h6 11. Bh4 g5 12. Bg3 Nh5 13. Be2 Nf4 14. Bxf4 exf4 15. Nd5 Ne5 16. Nd3 Nxd3 17. Bxd3 c6 18. Nc3 Ke7 19. f3 b5 20. Ne2 Be5 21. c3 h5 22. h3 Rag8 23. Bc2 g4 24. hxg4 hxg4 25. Rxh8 Rxh8 26. Nd4 Bd7 27. a4 Bxd4 28. cxd4 gxf3 29. gxf3 Rh2 30. axb5 axb5 31. d5 cxd5 32. exd5 Kd6 33. Be4 f5 34. Bc2 Rf2 35. Rd3 b4 36. Rd4 Kc5 37. Rxf4 Bb5 38. b3 Rf1+ 39. Kb2 Rf2 40. Kc1 Rf1+ 41. Kd2 Rf2+ 42. Kd1 Rf1+ 43. Kd2 Rf2+ 44. Kc1 Rf1+ 45. Kb2 Rf2 46. Kb1 Rf1+ 47. Kb2 1/2-1/2

[Event "Titled Tuesday intern op 14th Nov Early"]
[Site "Chess.com INT"]
[Date "2023.11.14"]
[Round "2"]
[White "Zomorrodian, Eilia"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2099"]
[BlackElo "2111"]
[PlyCount "53"]
[EventDate "2023.11.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. a4 a5 9. Re1 exd4 10. Qxd4 Nc5 11. e5 dxe5 12. Qxe5 Bd6 13. Qd4 Be6 14. Bg5 Bxc4 15. Qxc4 Ne6 16. Rxe6 fxe6 17. Qxe6+ Rf7 18. Rd1 Qb6 19. Rxd6 Re8 20. Qb3 Qc5 21. Rd3 Kf8 22. Be3 Qh5 23. Ne2 Ne4 24. Ng3 Qg6 25. Nxe4 Qxe4 26. Bc5+ Kg8 27. Re3 1-0

[Event "Pardubice Czech op-A 34th"]
[Site "Pardubice"]
[Date "2023.07.28"]
[Round "8"]
[White "Simek, Petr1111"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2365"]
[BlackElo "2185"]
[PlyCount "95"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 g6 2. e4 d6 3. Nc3 Nf6 4. Be3 c6 5. f4 b5 6. a3 Bg7 7. Nf3 d5 8. e5 Ne4 9. Nxe4 dxe4 10. Nd2 f5 11. Be2 Be6 12. g4 Nd7 13. b3 Nb6 14. c4 Qd7 15. h3 g5 16. gxf5 Bxf5 17. Bh5+ Kd8 18. fxg5 Rf8 19. Qc2 bxc4 20. bxc4 Kc7 21. Nb3 Qe6 22. Be2 Rad8 23. Nc5 Qg6 24. Qc3 Kb8 25. Rb1 Ka8 26. Na6 Rd7 27. Qb4 Qe8 28. a4 Qc8 29. Qa5 c5 30. Nxc5 Qc6 31. Nxd7 Bxd7 32. d5 Qxa4 33. Bxb6 Bxe5 34. Qxa4 Bc3+ 35. Kd1 Bxa4+ 36. Kc1 axb6 37. Rxb6 Ka7 38. c5 Rf2 39. Ra6+ Kb7 40. Rxa4 Rxe2 41. d6 exd6 42. cxd6 Be5 43. Rd1 Bf4+ 44. Kb1 Bxg5 45. d7 Bd8 46. Rb4+ Kc7 47. Rc4+ Kb7 48. Rc8 1-0

[Event "Pardubice Czech op-A 34th"]
[Site "Pardubice"]
[Date "2023.07.26"]
[Round "6"]
[White "Chayka, Vitaliy"]
[Black "Lalic, Bogdan"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "2371"]
[PlyCount "68"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 0-0 5. Nf3 d6 6. Be2 c5 7. c3 Be6 8. Nbd2 Qb6 9. Qc1 cxd4 10. exd4 Nc6 11. 0-0 Rac8 12. Re1 Na5 13. a4 a6 14. Qb1 Rfe8 15. Bd3 Bd5 16. Ra3 Qc6 17. Bf1 Nd7 18. Bh2 e5 19. dxe5 dxe5 20. c4 Nxc4 21. Nxc4 Bxc4 22. Rc3 b5 23. axb5 axb5 24. b3 e4 25. Rcc1 exf3 26. Rxe8+ Rxe8 27. bxc4 Bh6 28. Rc2 Rc8 29. gxf3 Bf8 30. c5 Nxc5 31. Kg2 h5 32. Bxb5 Qf6 33. Rd2 Qg5+ 34. Kh1 Qxd2 0-1

[Event "Pardubice Czech op-A 34th"]
[Site "Pardubice"]
[Date "2023.07.24"]
[Round "4"]
[White "Stalmach, Richard"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2436"]
[BlackElo "2185"]
[PlyCount "47"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 c5 3. d5 d6 4. Nc3 a6 5. h4 h5 6. e4 e5 7. dxe6 Bxe6 8. Nf3 Nc6 9. Bf4 Qa5 10. Be2 0-0-0 11. 0-0 Bg7 12. Nd5 Rd7 13. a3 Qd8 14. Rb1 Bxd5 15. cxd5 Nd4 16. b4 Nxf3+ 17. Bxf3 c4 18. b5 Qa5 19. bxa6 Qxa6 20. Rb4 Ne7 21. Qc2 c3 22. Rfb1 Qa8 23. Be2 Kb8 24. Ra4 1-0

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.20"]
[Round "4"]
[White "Chayka, Vitaliy"]
[Black "Cerveny, Martin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "2400"]
[PlyCount "97"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 Nbd7 4. Nf3 b6 5. h3 Bb7 6. Nbd2 g6 7. Be2 Bg7 8. 0-0 0-0 9. a4 a5 10. c3 Re8 11. Bh2 e5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Qc2 Qe7 15. Rfd1 Rad8 16. Bb5 Nd7 17. Nf3 Bxf3 18. gxf3 Qe6 19. Qe4 Bf8 20. f4 Qxh3 21. fxe5 Bg7 22. Qg2 Qe6 23. Qc6 Qg4+ 24. Qg2 Qf5 25. Rd4 Bxe5 26. Bxe5 Nxe5 27. Rf4 Qh5 28. Bxe8 Rxe8 29. Qg3 Nd3 30. Rh4 Qe2 31. Qh2 Ne5 32. Qg3 Nd3 33. Qh2 Ne5 34. Rf4 Nf3+ 35. Rxf3 Qxf3 36. Qxc7 Re4 37. Kf1 Kg7 38. Qh2 Rxe3 39. Qg2 Qe2+ 40. Kg1 Re4 41. f3 Qxg2+ 42. Kxg2 Re2+ 43. Kg3 Rxb2 44. Kf4 Rb3 45. Rc1 Ra3 46. Rb1 Rxc3 47. Rxb6 Rc4+ 48. Kg3 Rxa4 49. Rxg6+ 0-1

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.20"]
[Round "6"]
[White "Chayka, Vitaliy"]
[Black "Hollan, Petr"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2185"]
[BlackElo "2235"]
[PlyCount "78"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. dxc5 Nc6 5. Bb5 e6 6. b4 a5 7. c3 Bd7 8. Qb3 axb4 9. cxb4 d4 10. Nf3 Nd5 11. Bxc6 Bxc6 12. Nxd4 Nxf4 13. Nxc6 Nxg2+ 14. Kf1 Nxe3+ 15. Qxe3 bxc6 16. Qe4 Rc8 17. Na3 Be7 18. Kg2 0-0 19. Rhd1 Qc7 20. Nc4 Rfd8 21. Nb6 Rb8 22. a4 Rd5 23. Nxd5 exd5 24. Qg4 h5 25. Qg3 Qc8 26. Rab1 h4 27. Qf4 g5 28. Qf3 Qa6 29. Re1 Bf8 30. Re5 Bh6 31. Qf6 h3+ 32. Kxh3 Qd3+ 33. Re3 Qxb1 34. Qxh6 Qf1+ 35. Kg3 Qg1+ 36. Kf3 d4 37. Re5 g4+ 38. Ke2 d3+ 39. Ke3 Qc1+ 0-1

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.20"]
[Round "8"]
[White "Chayka, Vitaliy"]
[Black "Sikora, Lukas"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "1901"]
[PlyCount "69"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 Re8 8. Bh2 c6 9. Nbd2 e5 10. dxe5 dxe5 11. Nc4 Ne4 12. Nd6 Nxd6 13. Qxd6 Qf6 14. Qc7 Nf8 15. Rfd1 Bf5 16. c3 Re7 17. Qa5 b6 18. Qa3 c5 19. Qb3 Be4 20. a4 Rc8 21. a5 c4 22. Qb4 Nd7 23. Rd6 Qf5 24. g4 bxa5 25. Rxa5 Bxf3 26. gxf5 Bxe2 27. Rxa7 Bf8 28. Qa5 Nc5 29. Rd5 Bf3 30. Rxc5 Rxa7 31. Qxa7 Bxc5 32. Qd7 Ra8 33. Bxe5 gxf5 34. Qxf5 Bc6 35. Qg5+ 1-0

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.20"]
[Round "7"]
[White "Kuznecova, Marija"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1967"]
[BlackElo "2185"]
[PlyCount "89"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 7. fxe5 dxe5 8. dxe5 Nfd7 9. Bf4 g5 10. Bxg5 Bg7 11. Bd2 Qc7 12. 0-0 Nxe5 13. Be2 Bxf3 14. gxf3 Nbd7 15. f4 Qb6+ 16. Kh1 Ng6 17. e5 0-0-0 18. Ne4 Nc5 19. Nd6+ Rxd6 20. exd6 Ne4 21. d7+ Kb8 22. Be1 f5 23. Bd3 Nd6 24. Bc3 Bxc3 25. bxc3 Kc7 26. Qh5 Qc5 27. Rae1 Qd5+ 28. Qf3 Qc5 29. Re6 Nh4 30. Re5 Qxc3 31. Qh3 Ng6 32. Bxf5 Qc4 33. Bd3 Nxf4 34. Bxc4 Nxh3 35. Be6 b5 36. Bxh3 Rd8 37. Rfe1 h5 38. Rxh5 a5 39. Rh6 a4 40. Rxd6 Kxd6 41. Re8 Kc7 42. Rxd8 Kxd8 43. Be6 c5 44. h4 c4 45. h5 1-0

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.20"]
[Round "5"]
[White "Pecha, Jan"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1320"]
[BlackElo "2185"]
[PlyCount "80"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c6 3. e3 Bf5 4. Nf3 e6 5. c4 h6 6. Be2 Nf6 7. 0-0 Nbd7 8. Nc3 Bd6 9. d4 0-0 10. cxd5 exd5 11. Qc1 Qe7 12. h3 Rfe8 13. a4 a5 14. Ba3 Bb4 15. Bxb4 Qxb4 16. Qb2 Ne4 17. Na2 Qe7 18. Nd2 Ndf6 19. Nxe4 Nxe4 20. Nc1 Bh7 21. Nd3 g5 22. Ne5 f6 23. Nd3 Bg6 24. f4 Nd6 25. Rf3 Be4 26. Rf2 Bxd3 27. Bxd3 Qxe3 28. Bg6 Re7 29. fxg5 hxg5 30. Kh1 Kg7 31. Rf3 Qe6 32. Bd3 Ne4 33. Raf1 Rf8 34. Qc2 f5 35. Kg1 f4 36. Re1 Rfe8 37. Rf2 Qf6 38. Rfe2 Qxd4+ 39. Kh2 g4 40. hxg4 Rh8# 0-1

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.20"]
[Round "9"]
[White "Yun, Hungi"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1696"]
[BlackElo "2185"]
[PlyCount "89"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be3 Qa5 5. f3 e5 6. Nge2 Be7 7. Ng3 0-0 8. Be2 b5 9. 0-0 b4 10. Nb1 Re8 11. Nd2 Qc7 12. f4 exd4 13. Bxd4 c5 14. Bf2 Bf8 15. Bf3 Bb7 16. Re1 Nbd7 17. Nc4 Rad8 18. a3 d5 19. exd5 Rxe1+ 20. Bxe1 Qxf4 21. Na5 Ba8 22. Nc6 Re8 23. axb4 cxb4 24. Bf2 Bc5 25. Bxc5 Nxc5 26. d6 h5 27. Qd4 Qxd4+ 28. Nxd4 Bxf3 29. gxf3 Rd8 30. Ra5 Nb7 31. Rxa7 Nxd6 32. Nc6 Re8 33. Nxb4 h4 34. Nf1 Re2 35. Ra8+ Kh7 36. Rd8 Nc4 37. Rd4 Ne5 38. Rxh4+ Kg6 39. Rh3 Nh5 40. f4 Nxf4 41. Re3 Rg2+ 42. Kh1 Ng4 43. Rg3 Kh5 44. Rxg2 Nxg2 45. Kxg2 1-0

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.19"]
[Round "3"]
[White "Balazec, Ludovit"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1900"]
[BlackElo "2185"]
[PlyCount "79"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 c6 4. d4 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. 0-0 b5 11. Be3 Bd6 12. f5 h6 13. a3 Qc7 14. Rad1 Be7 15. Be2 a5 16. g4 b4 17. Nb1 Rb8 18. h4 h5 19. gxh5 Rxh5 20. Bg5 Rh8 21. Bc4 Nc5 22. Rfe1 Nh7 23. Bxe7 Qxe7 24. Qh5 Rb7 25. axb4 axb4 26. Nd2 Nd7 27. Kg2 Ndf6 28. Qf3 Nf8 29. Rh1 Nh5 30. Qg4 Nf4+ 31. Kf3 Rd7 32. h5 Qd8 33. Qxg7 f6 34. Qxh8 Rxd2 35. Qg8 Rd7 36. h6 Qe7 37. h7 Rxd1 38. h8Q Rd4 39. Rh7 Qc5 40. Rh1 0-1

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.19"]
[Round "2"]
[White "Chayka, Vitaliy"]
[Black "Grabinsky, Aaron"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2185"]
[BlackElo "2416"]
[PlyCount "78"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 c5 4. c3 Be7 5. Nd2 0-0 6. Bd3 b6 7. h3 cxd4 8. cxd4 Bb7 9. Ngf3 d6 10. Qe2 Nd5 11. a3 Nxf4 12. exf4 g6 13. 0-0 a6 14. Rac1 Nd7 15. Rfe1 Re8 16. b4 Nf6 17. Nc4 Bf8 18. g3 Rc8 19. Ncd2 b5 20. Nb3 Bd5 21. Na5 Qb6 22. Qe3 Bxf3 23. Qxf3 Qxd4 24. Bf1 d5 25. Nc6 Qb6 26. Ne5 Bd6 27. Bd3 Rc7 28. Ng4 Nxg4 29. Qxg4 Qd4 30. Rxc7 Bxc7 31. Bf1 Bb6 32. Qf3 Rc8 33. Rd1 Rc3 34. Rd3 Rxd3 35. Bxd3 Qa1+ 36. Kg2 Qxa3 37. Qe2 Qxb4 38. h4 Qd4 39. Bb1 h5 0-1

[Event "Pardubice rapid op 34th"]
[Site "Pardubice"]
[Date "2023.07.19"]
[Round "1"]
[White "Hecl, Adam"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2185"]
[PlyCount "46"]
[EventDate "2023.07.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Nf3 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. h3 Be7 8. 0-0 0-0 9. Nd2 b5 10. a3 Qc7 11. b4 a5 12. bxa5 Rxa5 13. Nb3 Ra8 14. Ne2 Nbd7 15. Bb2 Nc5 16. Nxc5 Bxc5 17. Kh1 Qe7 18. f4 Bd6 19. fxe5 Bxe5 20. Bxe5 Qxe5 21. Ng1 Nxe4 22. Rf3 Ng3+ 23. Kh2 Nf1+ 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "9"]
[White "Baluh, Alina"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1268"]
[BlackElo "2185"]
[PlyCount "88"]
[EventDate "2023.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Nf3 b5 6. a3 Bg7 7. Bd3 0-0 8. 0-0 Qc7 9. h3 e5 10. dxe5 dxe5 11. Qe2 Be6 12. Rad1 Nbd7 13. Qd2 a5 14. Bh6 b4 15. axb4 axb4 16. Ne2 c5 17. b3 Rfd8 18. Bxg7 Kxg7 19. Qe3 h6 20. Ng3 Nb6 21. Ra1 Nfd7 22. Rxa8 Rxa8 23. Rd1 c4 24. bxc4 Nxc4 25. Qe1 Nb2 26. Rb1 Nxd3 27. cxd3 b3 28. Qd2 Ra2 29. Qb4 f6 30. d4 Qc4 31. Qxc4 Bxc4 32. dxe5 Nxe5 33. Nd4 b2 34. f4 Ra1 35. fxe5 Rxb1+ 36. Kf2 fxe5 37. Nf3 Ra1 38. Nxe5 b1Q 39. Nxc4 Qc2+ 40. Ne2 Qxc4 41. Kf3 Ra3+ 42. Kf2 Ra2 43. Kg1 Qxe2 44. e5 Qxg2# 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "4"]
[White "Chayka, Vitaliy"]
[Black "Domin, Yan"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2185"]
[BlackElo "1907"]
[PlyCount "98"]
[EventDate "2023.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 d5 4. dxc5 Nc6 5. Bb5 e6 6. b4 a5 7. c3 Ne4 8. f3 Nf6 9. Qb3 Be7 10. Ne2 0-0 11. 0-0 Nh5 12. Nd2 Nxf4 13. exf4 Bf6 14. Rad1 Qc7 15. g3 Bd7 16. a4 b6 17. Bxc6 Qxc6 18. Nd4 Qb7 19. bxa5 Rxa5 20. Qxb6 Qa8 21. Rb1 Rxa4 22. N2b3 Rb8 23. Qd6 Be8 24. c6 Rc8 25. Nc5 Rc4 26. c7 Rxc3 27. Rb8 Bxd4+ 28. Kg2 Rxc5 29. Rxa8 Rxa8 30. Qd8 Rc2+ 31. Kh3 Rxc7 32. Qxc7 h5 33. Rc1 Bf6 34. Qb7 Rd8 35. Rc8 Kf8 36. Rxd8 Bxd8 37. Qb4+ Be7 38. Qb8 f6 39. Qc8 Kf7 40. Kg2 Bb5 41. g4 hxg4 42. fxg4 Bd3 43. Kg3 Be4 44. h4 g5 45. fxg5 fxg5 46. h5 Bd6+ 47. Kf2 Bf8 48. Qd7+ Kf6 49. Qg7+ Kxg7 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "2"]
[White "Chayka, Vitaliy"]
[Black "Korman, Nikita"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2185"]
[BlackElo "1652"]
[PlyCount "52"]
[EventDate "2023.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 cxd4 4. exd4 d5 5. c3 Nc6 6. Nd2 e6 7. Ngf3 Bd6 8. Bg3 0-0 9. Bd3 h6 10. Ne5 Bxe5 11. dxe5 Nd7 12. Qe2 a5 13. a4 Nc5 14. Nf3 d4 15. cxd4 Nxd4 16. Nxd4 Qxd4 17. Rd1 Nxd3+ 18. Rxd3 Qxa4 19. 0-0 b6 20. Rfd1 Ba6 21. Qh5 Bxd3 22. Rxd3 Rad8 23. Rxd8 Rxd8 24. h3 Qd1+ 25. Qxd1 Rxd1+ 26. Kh2 Rd2 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "11"]
[White "Pilchuk, Artem"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1629"]
[BlackElo "2185"]
[PlyCount "71"]
[EventDate "2023.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. e4 d6 7. exf5 Bxf5 8. Nf3 Nf6 9. Be2 Nbd7 10. 0-0 Qa5 11. Qb3 Nb6 12. Bg5 0-0 13. Bh6 Rfe8 14. Rac1 Rab8 15. Rfe1 a6 16. Bf1 Na4 17. h3 b5 18. cxb5 axb5 19. c4 bxc4 20. Qxc4 Rb4 21. Qe2 Rb2 22. Bd2 Qb6 23. Qc4 Qa7 24. Bg5 Rb4 25. Qe2 Ne4 26. Qe3 Rb2 27. Bd3 Nac3 28. Rxc3 Nxc3 29. Bxf5 gxf5 30. Qxc3 Qb8 31. Rxe7 Rxe7 32. Bxe7 Rb1+ 33. Kh2 Qe8 34. Bxd6 Qe4 35. Qf6 Rb7 36. Qf8# 1-0

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "1"]
[White "Rodin, Anatoliy"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1057"]
[BlackElo "2185"]
[PlyCount "56"]
[EventDate "2023.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Bc4 d5 6. exd5 cxd5 7. Bb3 Bg7 8. Qd2 Nc6 9. f3 0-0 10. Nge2 b6 11. g4 Ba6 12. h4 Na5 13. h5 Nc4 14. Bxc4 Bxc4 15. hxg6 fxg6 16. Bh6 Qd6 17. Bxg7 Kxg7 18. Qh6+ Kg8 19. g5 Nh5 20. 0-0-0 Rxf3 21. Rh4 Raf8 22. Kb1 b5 23. Nc1 Rf1 24. Nd3 b4 25. Rxf1 Rxf1+ 26. Nc1 bxc3 27. bxc3 Qb6+ 28. Ka1 Rxc1# 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "6"]
[White "Vyshnevskyi, Vladyslav"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2185"]
[PlyCount "75"]
[EventDate "2023.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Qe2 b5 6. Be3 b4 7. Nd1 a5 8. g4 Ba6 9. Qg2 Bxf1 10. Qxf1 Bg7 11. h4 h5 12. g5 Nfd7 13. Nf2 Nb6 14. Nd3 Na6 15. f4 Nc4 16. Bc1 d5 17. e5 Qd7 18. Ne2 Qg4 19. Nf2 Qf5 20. Nd3 a4 21. Ng3 Qg4 22. Qf2 0-0 23. f5 gxf5 24. Nxf5 Qe4+ 25. Ne3 Qxh1+ 26. Qf1 Qxh4+ 27. Kd1 Qxg5 28. Nxc4 Qg4+ 29. Kd2 dxc4 30. Nf2 Bh6+ 31. Ke1 Bxc1 32. Nxg4 Bxb2 33. Rb1 Bc3+ 34. Kd1 hxg4 35. Qf5 Kg7 36. Qxg4+ Kh7 37. Ke2 Rh8 38. Rh1# 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "2"]
[White "Baryshpolets, Andrey"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2569"]
[BlackElo "2185"]
[PlyCount "85"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. e4 Be7 6. g3 0-0 7. Bg2 c6 8. 0-0 a6 9. h3 b5 10. c5 Bb7 11. Qc2 exd4 12. cxd6 dxc3 13. dxe7 Qxe7 14. Qxc3 Nxe4 15. Qc2 Rfe8 16. Bf4 Qc5 17. Rac1 Qxc2 18. Rxc2 c5 19. Rd1 Ndf6 20. Ng5 c4 21. Nxe4 Bxe4 22. Bxe4 Nxe4 23. Rd7 Nc5 24. Rd5 Nd3 25. Rd2 Rad8 26. Rxd8 Rxd8 27. Be3 f5 28. Kf1 Kf7 29. Ke2 Ke6 30. b3 Kd5 31. a4 Re8 32. axb5 axb5 33. bxc4+ bxc4 34. Kf3 Rb8 35. Ra2 c3 36. Ra7 Kc4 37. Rxg7 Kb3 38. Rxh7 c2 39. Rc7 Rb4 40. h4 Rc4 41. Rxc4 Kxc4 42. h5 Kd5 43. h6 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "10"]
[White "Chayka, Vitaliy"]
[Black "Bernatskiy, Alexander"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2185"]
[BlackElo "1959"]
[PlyCount "67"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 0-0 5. Nf3 d5 6. c4 c6 7. Nc3 e6 8. Qb3 Nbd7 9. Be2 Nb6 10. c5 Nbd7 11. Qc2 Re8 12. 0-0 Nh5 13. Bd6 b6 14. b4 a5 15. a3 bxc5 16. bxc5 Ba6 17. Bxa6 Rxa6 18. Rab1 Ra8 19. Rb7 e5 20. Rfb1 exd4 21. exd4 Nhf6 22. Rc7 Ne4 23. Rbb7 Nef6 24. Rxc6 Rc8 25. Ra6 Ne4 26. Raa7 Nef6 27. Qa4 Nxc5 28. Bxc5 Rxc5 29. dxc5 Ne4 30. Nxe4 dxe4 31. Rxf7 Bc3 32. Qc4 exf3 33. Rg7+ Kh8 34. Rxh7# 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "7"]
[White "Chayka, Vitaliy"]
[Black "Bokhnak, Timofey"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2185"]
[BlackElo "1673"]
[PlyCount "94"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c6 4. c4 e6 5. Qb3 Bd6 6. Bg3 Bxg3 7. hxg3 Nbd7 8. Nc3 dxc4 9. Bxc4 Nb6 10. Be2 Nfd5 11. Nf3 Qe7 12. e4 Nf6 13. a4 0-0 14. a5 Nbd7 15. e5 Nd5 16. Bd3 h6 17. Ne4 c5 18. Qa3 cxd4 19. Qxe7 Nxe7 20. g4 Nc6 21. g5 Ndxe5 22. Nxe5 Nxe5 23. Ke2 hxg5 24. Nxg5 Nxd3 25. Kxd3 e5 26. f3 f6 27. Ne4 Bf5 28. g4 Bg6 29. Rac1 Rac8 30. Kd2 Bxe4 31. fxe4 Rc6 32. Rxc6 bxc6 33. Rc1 Rc8 34. Kd3 Kf7 35. Kc4 Ke6 36. Kc5 Kd7 37. Rh1 Kc7 38. Rh7 Rg8 39. Kc4 Kd6 40. b4 a6 41. Kd3 c5 42. Kc4 cxb4 43. Kxb4 Rb8+ 44. Kc4 Rc8+ 45. Kd3 Rc7 46. Kd2 Kc5 47. Kd3 Kb5 0-1

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "12"]
[White "Chayka, Vitaliy"]
[Black "Goreskul, Alyona"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2185"]
[BlackElo "2193"]
[PlyCount "69"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 f5 2. h3 Nf6 3. g4 d5 4. Nc3 c6 5. Bf4 g6 6. e3 Bg7 7. Bd3 fxg4 8. hxg4 Bxg4 9. f3 Be6 10. Nh3 Bxh3 11. Rxh3 Qd7 12. Rh2 Nh5 13. Bg5 e5 14. dxe5 Bxe5 15. f4 Bg7 16. Qe2 Ng3 17. Qf3 Nf5 18. 0-0-0 Na6 19. e4 Nd4 20. Qg2 Ne6 21. exd5 Nxg5 22. Qxg5 0-0 23. Rxh7 Qd6 24. Rdh1 Qxf4+ 25. Qxf4 Rxf4 26. dxc6 Nc5 27. cxb7 Nxb7 28. Nd5 Rd4 29. Ne7+ Kf7 30. Nxg6 Nc5 31. Ne5+ Kg8 32. Bc4+ Kf8 33. Ng6+ Ke8 34. Rxg7 Rxc4 35. Rh8# 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "14"]
[White "Chayka, Vitaliy"]
[Black "Mysholov, Oleksander"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2185"]
[PlyCount "40"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 Bd6 5. Bg3 c5 6. c3 Nc6 7. Ngf3 0-0 8. Bd3 b6 9. Ne5 Bxe5 10. dxe5 Nd7 11. f4 f6 12. exf6 Nxf6 13. Nf3 c4 14. Bc2 a5 15. 0-0 Nh5 16. Bh4 Qd6 17. Ng5 Nf6 18. Bg3 h6 19. Nf3 Ne4 20. Bxe4 Qc5 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "1"]
[White "Chayka, Vitaliy"]
[Black "Pultinevicius, Paulius"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "2501"]
[PlyCount "90"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 0-0 5. Nf3 b6 6. Bd3 Bb7 7. Nbd2 d6 8. Qe2 a6 9. 0-0 Nbd7 10. a4 Re8 11. Bh2 e5 12. dxe5 dxe5 13. e4 Nh5 14. Rfd1 Nf4 15. Bxf4 exf4 16. c3 Nc5 17. Bc2 Qe7 18. Re1 Rad8 19. Rad1 a5 20. b4 Ba6 21. b5 Bb7 22. Qc4 Bc8 23. Nd4 Be6 24. Nxe6 Qxe6 25. Qxe6 Rxe6 26. c4 Bc3 27. Nf3 Rxd1 28. Rxd1 h6 29. h4 Kg7 30. Kf1 Bf6 31. Nd4 Bxd4 32. Rxd4 Rd6 33. Rxd6 cxd6 34. f3 Kf6 35. Kf2 Ke5 36. g3 g5 37. hxg5 hxg5 38. Kg2 Kd4 39. gxf4 gxf4 40. Kh3 Ke3 41. Kg4 Nd7 42. Kf5 Ne5 43. Kf6 Nxf3 44. Kxf7 Nd4 45. Bb1 f3 0-1

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "5"]
[White "Chayka, Vitaliy"]
[Black "Socko, Monika"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "2421"]
[PlyCount "146"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 d6 5. Nf3 0-0 6. Be2 Nc6 7. 0-0 Bf5 8. c4 e5 9. Bh2 Ne4 10. d5 Ne7 11. Nbd2 Nxd2 12. Qxd2 h6 13. Rac1 b6 14. Rfd1 Kh7 15. b4 Bd7 16. c5 f5 17. cxd6 cxd6 18. b5 g5 19. Rc6 Rf6 20. Qb4 Bxc6 21. dxc6 Qc7 22. Bxe5 Nxc6 23. bxc6 dxe5 24. Rd7 Qxc6 25. Qe7 Rg8 26. Nxe5 Qe6 27. Rxa7 Qxe7 28. Rxe7 Rc8 29. g4 Rc5 30. Nd7 Rc1+ 31. Kg2 Rd6 32. gxf5 Rc7 33. Nf8+ Kg8 34. Rxg7+ Rxg7 35. Ne6 Ra7 36. Bc4 Kf7 37. Nxg5+ Kf6 38. Ne4+ Ke5 39. Nxd6 Kxd6 40. f4 b5 41. Bb3 Ke7 42. Kf3 Rc7 43. e4 h5 44. Kg3 Kf6 45. Be6 Rc3+ 46. Kh4 Re3 47. e5+ Ke7 48. Kxh5 Rxh3+ 49. Kg6 Rg3+ 50. Kh5 Rg2 51. Bb3 Rh2+ 52. Kg4 Rg2+ 53. Kf3 Rg1 54. f6+ Kf8 55. e6 Rg6 56. Ke4 Rxf6 57. Ke5 Ke7 58. f5 Rh6 59. Bd5 Rh5 60. Bb3 b4 61. Kf4 Kf6 62. Ke4 Rh4+ 63. Kd5 Ke7 64. Kc5 Rf4 65. Bc2 Kf6 66. Bb3 Rxf5+ 67. Kxb4 Ke7 68. a4 Kd6 69. a5 Kc6 70. Ba4+ Kd6 71. Bd7 Kc7 72. a6 Rf1 73. Kc5 Ra1 0-1

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "3"]
[White "Chayka, Vitaliy"]
[Black "Sodol, Georgiy"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2185"]
[BlackElo "2398"]
[PlyCount "60"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 d5 4. c3 e6 5. Nd2 Nc6 6. Ngf3 Bd6 7. Bg3 0-0 8. Bd3 b6 9. e4 Be7 10. e5 Nh5 11. a3 a5 12. Qe2 g6 13. Nf1 Bd7 14. h3 Nxg3 15. Nxg3 f6 16. h4 cxd4 17. cxd4 fxe5 18. Nxe5 Nxe5 19. Qxe5 Bxh4 20. Rc1 Bf6 21. Qe3 Bg5 22. Qe2 Bxc1 23. Rxh7 Rf6 24. Rh3 Rc8 25. Nh5 Bg5 26. f3 Rc1+ 27. Kf2 gxh5 28. Rxh5 Rh6 29. Rxh6 Bxh6 30. Qe5 Qg5 0-1

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "6"]
[White "Hrebenshchykova, Yelyzaveta"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2159"]
[BlackElo "2185"]
[PlyCount "45"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. a4 a5 9. Be3 exd4 10. Bxd4 Qc7 11. Re1 Ne5 12. Ba2 Nxf3+ 13. Qxf3 Be6 14. e5 dxe5 15. Bxe5 Qb6 16. Bxe6 fxe6 17. Qe2 Nd5 18. Ne4 Rf5 19. Nd6 Rf7 20. Nxf7 Kxf7 21. Qh5+ Kg8 22. Qg4 Bc5 23. Qxg7# 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "13"]
[White "Jakubowska, Anna"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2073"]
[BlackElo "2185"]
[PlyCount "49"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. f3 Nbd7 5. Be3 Be7 6. Qd2 0-0 7. g4 c6 8. Nge2 b5 9. Ng3 exd4 10. Bxd4 Ne5 11. Bg2 b4 12. Nce2 Nc4 13. Qc1 c5 14. Bf2 d5 15. b3 Ne5 16. exd5 Nxd5 17. 0-0 Bb7 18. Nf5 Bf6 19. Bxc5 Re8 20. Nd6 Re7 21. g5 Rc7 22. Nxb7 Rxb7 23. gxf6 Qxf6 24. f4 Ng4 25. h3 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "8"]
[White "Piuro, Vladyslav"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1377"]
[BlackElo "2185"]
[PlyCount "67"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 e5 4. d5 Be7 5. c4 Nh5 6. g3 Bg5 7. Nc3 Bxc1 8. Qxc1 a5 9. Qe3 Na6 10. 0-0-0 Nc5 11. f4 0-0 12. fxe5 Bg4 13. Be2 Bxe2 14. Ngxe2 g6 15. exd6 cxd6 16. h4 Re8 17. Rhf1 f5 18. Nd4 Nxe4 19. Ne6 Nxc3 20. Qxc3 Qe7 21. Rde1 Qd7 22. Re2 Rac8 23. Ref2 b5 24. g4 Rxc4 25. Qxc4 bxc4 26. gxh5 Rxe6 27. dxe6 Qxe6 28. hxg6 hxg6 29. h5 gxh5 30. Rxf5 Qe3+ 31. Kc2 Qd3+ 32. Kc1 Kg7 33. Rg1+ Kh7 34. Rxh5# 1-0

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "4"]
[White "Shinkarev, M."]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "A54"]
[WhiteElo "2314"]
[BlackElo "2185"]
[PlyCount "56"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. c4 d6 2. d4 e5 3. Nf3 Nd7 4. Nc3 Ngf6 5. g3 Be7 6. Bg2 0-0 7. 0-0 c6 8. b4 e4 9. Ng5 d5 10. cxd5 cxd5 11. f3 Bxb4 12. Qb3 Bxc3 13. Qxc3 h6 14. Nh3 b6 15. fxe4 Nxe4 16. Qb3 Bb7 17. Nf4 Ndf6 18. a4 Re8 19. Nd3 Rc8 20. Ne5 Ba6 21. Bxe4 Nxe4 22. Nxf7 Qd7 23. Bxh6 Rc3 24. Qb2 Nxg3 25. Rf2 Nxe2+ 26. Rxe2 Rxe2 27. Qxc3 Qg4+ 28. Qg3 Qxd4+ 0-1

[Event "Bogdanovich Memorial Final"]
[Site "Lichess.org INT"]
[Date "2021.02.13"]
[Round "11"]
[White "Voikov, Nikolai"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1907"]
[BlackElo "2185"]
[PlyCount "47"]
[EventDate "2021.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "14"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. c3 Be7 5. Nf3 Nbd7 6. h3 0-0 7. Be3 c6 8. Nbd2 b6 9. 0-0 Bb7 10. Qc2 Qc7 11. Rfe1 Rfe8 12. Rad1 Bf8 13. a4 a5 14. Nf1 Rad8 15. Ng3 g6 16. dxe5 dxe5 17. Bc4 Bc5 18. Ng5 Rf8 19. Qb3 Bxe3 20. Bxf7+ Kh8 21. Rxe3 Nc5 22. Rxd8 Nxb3 23. Rxf8+ Kg7 24. Ne6+ 1-0

[Event "Bogdanovich Memorial Qual 3"]
[Site "Lichess.org INT"]
[Date "2021.02.11"]
[Round "6"]
[White "Chayka, Vitaliy"]
[Black "Andrusevych, Andriy"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2185"]
[BlackElo "1144"]
[PlyCount "159"]
[EventDate "2021.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 a6 8. c4 c5 9. Nc3 Nh5 10. Bh2 Nhf6 11. Qc2 cxd4 12. exd4 Nb6 13. Rad1 d5 14. c5 Nbd7 15. Qb3 e6 16. Bd3 Re8 17. Rfe1 Nb8 18. Na4 Nc6 19. Nb6 Ra7 20. Qc3 Nd7 21. Nxc8 Qxc8 22. b4 a5 23. b5 Nb4 24. Bb1 Nf6 25. a3 Na2 26. Bxa2 Ne4 27. Qd3 Qd8 28. Rc1 Qf6 29. Re2 Rc8 30. a4 Qf5 31. Qc2 Raa8 32. c6 bxc6 33. bxc6 Ra6 34. c7 Ra7 35. Bb1 Rb7 36. Qa2 Qf6 37. Ne5 Qe7 38. Bd3 Bxe5 39. Bxe5 Ra7 40. Rec2 f6 41. Bh2 Nd6 42. f3 Raxc7 43. Rxc7 Rxc7 44. Rxc7 Qxc7 45. Qa3 e5 46. dxe5 Nc4 47. Bxc4 Qxc4 48. exf6 Qd4+ 49. Kh1 Qxf6 50. Bg1 Qe6 51. Qd3 Kf7 52. Bd4 Qc6 53. Kh2 Qd6+ 54. Kg1 Qc6 55. Qd1 Qd6 56. Kh1 Qc6 57. Bb2 Qc4 58. Qd4 Qxd4 59. Bxd4 Ke6 60. Kg1 Kd6 61. Kf2 Kc6 62. Ke2 h6 63. Kd3 h5 64. g3 Kb7 65. Be3 Kc6 66. Kd4 Kd6 67. Bf4+ Kc6 68. h4 Kb6 69. Kxd5 g5 70. hxg5 h4 71. gxh4 Kb7 72. g6 Kb6 73. g7 Kb7 74. g8Q Ka7 75. Qg7+ Kb6 76. Qc7+ Ka6 77. Qc6+ Ka7 78. Be3+ Kb8 79. Qd7 Ka8 80. Qa7# 1-0

[Event "Bogdanovich Memorial Qual 3"]
[Site "Lichess.org INT"]
[Date "2021.02.11"]
[Round "8"]
[White "Chayka, Vitaliy"]
[Black "Leonenko, Maxim"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2185"]
[PlyCount "61"]
[EventDate "2021.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 b6 3. e3 Bb7 4. Nf3 f5 5. h3 Nf6 6. Nbd2 Bd6 7. Bd3 0-0 8. c3 Ne4 9. Qc2 Nxd2 10. Qxd2 Be7 11. 0-0-0 d6 12. Rde1 d5 13. Ne5 Nd7 14. g4 Nxe5 15. Bxe5 g6 16. gxf5 exf5 17. Reg1 Bd6 18. f4 Bxe5 19. fxe5 Qh4 20. Rf1 c5 21. Rf4 Qe7 22. h4 Qe6 23. Qg2 Kf7 24. h5 Rg8 25. hxg6+ hxg6 26. Rh7+ Rg7 27. Rxf5+ Kg8 28. Rf6 Qxf6 29. exf6 Rxh7 30. Qxg6+ Kh8 31. Qxh7# 1-0

[Event "Bogdanovich Memorial Qual 3"]
[Site "Lichess.org INT"]
[Date "2021.02.11"]
[Round "4"]
[White "Chayka, Vitaliy"]
[Black "Tushinsky, Vladimir"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2185"]
[PlyCount "139"]
[EventDate "2021.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 Nf6 4. c4 e6 5. Nc3 Bd6 6. Bg3 Qe7 7. Nf3 Nbd7 8. Ne5 0-0 9. f4 Re8 10. Bd3 Nf8 11. 0-0 N6d7 12. Qc2 f6 13. Nf3 a6 14. a3 dxc4 15. Bxc4 b5 16. Ba2 c5 17. dxc5 Bxc5 18. Nd4 Bb7 19. Rfe1 Rac8 20. Rad1 Kh8 21. Bb1 Nb6 22. Qf2 Nc4 23. Ne4 Bb6 24. Nc3 Nxa3 25. Be4 Bxe4 26. Nxe4 Nc4 27. h3 Red8 28. Kh2 Qb7 29. Nc3 Rd7 30. f5 e5 31. Ne6 Rxd1 32. Nxd1 Qd7 33. Nxf8 Rxf8 34. Nc3 h6 35. Rd1 Qc8 36. Nd5 Ba7 37. b3 Nd6 38. Ne7 Qc7 39. Ng6+ Kg8 40. Nxf8 Kxf8 41. Qd2 Nxf5 42. Bf2 Bb6 43. Qd7 Qxd7 44. Rxd7 Nxe3 45. Rb7 Ng4+ 46. hxg4 Bxf2 47. Rc7 e4 48. g3 Bd4 49. Kg2 a5 50. Kf1 a4 51. bxa4 bxa4 52. Rc4 Be5 53. Rxa4 Bxg3 54. Rxe4 Kf7 55. Kg2 Be5 56. Kf3 g6 57. Rc4 h5 58. gxh5 gxh5 59. Ra4 Kg6 60. Rb4 Kg5 61. Rc4 h4 62. Kg2 f5 63. Kh3 Bg3 64. Rb4 f4 65. Rb5+ Kf6 66. Kg4 Ke6 67. Ra5 Kd6 68. Rh5 Ke6 69. Rxh4 Bxh4 70. Kxf4 1/2-1/2

[Event "Bogdanovich Memorial Qual 3"]
[Site "Lichess.org INT"]
[Date "2021.02.11"]
[Round "11"]
[White "Kuzhilniy, Oleksandr"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1747"]
[BlackElo "2185"]
[PlyCount "101"]
[EventDate "2021.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 d6 2. e4 Nf6 3. Nc3 g6 4. d4 c6 5. Bd3 Qc7 6. e5 dxe5 7. dxe5 Ng4 8. Qe2 Bg7 9. Bf4 Nd7 10. 0-0-0 Ngxe5 11. Bg3 0-0 12. Rhe1 f6 13. Nxe5 Nxe5 14. Bxe5 fxe5 15. Ne4 Bf5 16. Kb1 Rad8 17. Bc4+ Kh8 18. Ng5 Rxd1+ 19. Rxd1 Bf6 20. Ne6 Bxe6 21. Bxe6 Rd8 22. Re1 Qd6 23. Bb3 Kg7 24. a3 Qd4 25. Ka2 a5 26. a4 b5 27. axb5 a4 28. Be6 e4 29. c3 Qd6 30. Qxe4 cxb5 31. Bg4 Qd2 32. Rd1 Qxd1 33. Bxd1 Rxd1 34. Qe2 Rd5 35. f4 h5 36. g3 Rf5 37. Qe4 Rc5 38. h3 Rf5 39. g4 hxg4 40. hxg4 Rc5 41. g5 Rf5 42. gxf6+ Kxf6 43. Ka3 e6 44. Kb4 Rd5 45. Qe3 Rf5 46. Qg3 Rd5 47. Qh4+ Kf7 48. Qh7+ Kf6 49. Qh8+ Kf7 50. Qc8 Kf6 51. Qf8# 1-0

[Event "Bogdanovich Memorial Qual 2"]
[Site "Lichess.org INT"]
[Date "2021.02.08"]
[Round "3"]
[White "Baidetsky, Valentin"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2403"]
[BlackElo "2185"]
[PlyCount "45"]
[EventDate "2021.02.08"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 c6 5. Be3 b5 6. Bd3 Bg7 7. Qd2 0-0 8. Bh6 Nbd7 9. e5 dxe5 10. dxe5 Ne8 11. Bxg7 Kxg7 12. h4 h5 13. Ne4 Nc7 14. Qc3 Ne6 15. Qxc6 Rb8 16. 0-0-0 Bb7 17. Qc3 Qb6 18. Kb1 Rfc8 19. Qd2 Ndc5 20. Nxc5 Qxc5 21. Ng5 Nxg5 22. Qxg5 Rd8 23. Rhe1 1-0

[Event "Bogdanovich Memorial Qual 2"]
[Site "Lichess.org INT"]
[Date "2021.02.08"]
[Round "12"]
[White "Bugaychuk, Yuriy"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2185"]
[PlyCount "147"]
[EventDate "2021.02.08"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 Na6 7. 0-0 c5 8. d5 Nc7 9. h3 b5 10. Rb1 b4 11. Na4 Ba6 12. b3 Nd7 13. Nb2 Nb6 14. f4 Nb5 15. Nc4 Nxc4 16. bxc4 Na3 17. Bxa3 bxa3 18. Qd3 Qa5 19. Rb3 Qa4 20. Rxa3 Qxc4 21. Rxa6 Qxd3 22. cxd3 Rfb8 23. Kf2 Rb2 24. Kf3 Bf6 25. Rf2 Kg7 26. Nc1 Rb1 27. Nb3 Rc8 28. Na5 Bd4 29. Rc2 Bf6 30. Nc6 Rc7 31. Rxa7 Rxa7 32. Nxa7 Rb6 33. Nc6 Ra6 34. e5 dxe5 35. fxe5 Bg5 36. h4 Bh6 37. Nxe7 Ra3 38. Ke2 f6 39. e6 Kf8 40. Nc6 f5 41. d6 Bg7 42. d7 Bf6 43. d8Q+ Bxd8 44. Nxd8 Ke7 45. Nc6+ Kxe6 46. Nd8+ Kd7 47. Nb7 Kc7 48. Nxc5 Kd6 49. Nb3 Ke6 50. Kd2 Ke5 51. Kc3 Kf6 52. Re2 h6 53. Kb4 Ra8 54. a4 Rb8+ 55. Kc4 g5 56. Nc5 Rc8 57. hxg5+ Kxg5 58. a5 Kg4 59. Re3 h5 60. a6 h4 61. gxh4 f4 62. Re7 Kg3 63. Be4 Kxh4 64. Rg7 f3 65. Bxf3 Kh3 66. Be4 Kh2 67. a7 Rd8 68. a8Q Rxa8 69. Bxa8 Kh3 70. Kd4 Kh2 71. Ke4 Kh3 72. Kf4 Kh2 73. Kf3 Kh3 74. Rh7# 1-0

[Event "Bogdanovich Memorial Qual 2"]
[Site "Lichess.org INT"]
[Date "2021.02.08"]
[Round "6"]
[White "Chayka, Vitaliy"]
[Black "Tushinsky, Vladimir"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2185"]
[PlyCount "76"]
[EventDate "2021.02.08"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. c3 Nf6 4. e3 e6 5. Nd2 Bd6 6. Bg3 Qe7 7. f4 Nbd7 8. Bd3 0-0 9. Nh3 Re8 10. 0-0 Nf8 11. Ng5 b5 12. a3 a5 13. Ngf3 Bd7 14. Ne5 c5 15. Bh4 c4 16. Bc2 b4 17. Qf3 Reb8 18. f5 exf5 19. Bxf5 Bxe5 20. dxe5 Qxe5 21. Bxd7 N8xd7 22. Bg3 Qe6 23. Bxb8 Rxb8 24. axb4 axb4 25. Qf4 h6 26. Rad1 bxc3 27. bxc3 Rb2 28. h3 Rc2 29. Qd4 Ne5 30. Nf3 Nd3 31. Rxd3 cxd3 32. Qxd3 Ra2 33. Nd4 Qc8 34. Nf5 Qe6 35. Nd4 Qe5 36. Nc6 Qg3 37. Ne7+ Kh8 38. Nf5 Qxg2# 0-1

[Event "Bogdanovich Memorial Qual 2"]
[Site "Lichess.org INT"]
[Date "2021.02.08"]
[Round "11"]
[White "Rozhok, Alexey"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2021"]
[BlackElo "2185"]
[PlyCount "57"]
[EventDate "2021.02.08"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bc4 Nxe4 7. Bxf7+ Rxf7 8. Nxe4 h6 9. 0-0 Nd7 10. c3 e6 11. Qe2 Nf8 12. Be3 b6 13. Rae1 Qd7 14. b3 Bb7 15. Ned2 Re8 16. Kh1 a5 17. c4 Nh7 18. Qd3 Nf8 19. Re2 Rf5 20. Rfe1 Rf7 21. Kg1 Rd8 22. g3 Ba8 23. Bf2 Qc6 24. Rxe6 Nxe6 25. Rxe6 Re8 26. d5 Qd7 27. Qxg6 Bb7 28. Bd4 Bc8 29. Bxg7 1-0

[Event "Bogdanovich Memorial Qual 2"]
[Site "Lichess.org INT"]
[Date "2021.02.08"]
[Round "7"]
[White "Zheglov, Vadim"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2237"]
[BlackElo "2185"]
[PlyCount "113"]
[EventDate "2021.02.08"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "UKR"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. d3 Nf6 8. Nd2 Bf5 9. g3 e6 10. Bg2 Nbd7 11. e4 Bg6 12. Ne2 Be7 13. 0-0 0-0 14. Nf4 Ra8 15. Bb2 Bd6 16. Nxg6 hxg6 17. Qb1 Ra4 18. h3 Bxg3 19. d4 Bf4 20. Nb3 Qb5 21. e5 Nh5 22. Re1 b6 23. Bf1 Qc4 24. Bxc4 dxc4 25. Nc1 b5 26. Ne2 Bh6 27. Qc2 Nb6 28. Bc1 Nd5 29. f4 Kh7 30. Rf1 Kg8 31. Bd2 Kh7 32. Qb2 Kg8 33. Ra1 Nb6 34. Rb1 Kf8 35. Kf2 Ke7 36. Kf3 Kd7 37. f5 exf5 38. Bxh6 gxh6 39. e6+ fxe6 40. Qd2 g5 41. Kf2 Nd5 42. Rb2 Nhf4 43. Nxf4 Nxf4 44. Ra2 Nd3+ 45. Kg2 Nf4+ 46. Kh2 Nd5 47. Rxa4 bxa4 48. Qb2 Nb6 49. b5 h5 50. Qb4 cxb5 51. Qxb5+ Kc7 52. Qc5+ Kb7 53. Qe7+ Ka6 54. Qxe6 a3 55. Qd6 f4 56. Qxa3+ Kb7 57. Qc5 1-0

[Event "Lutsk Nebesna Sotnya Memorial rap"]
[Site "Lutsk"]
[Date "2015.02.22"]
[Round "10"]
[White "Chayka, Vitaliy"]
[Black "Polivanov, Anatoliy"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2319"]
[BlackElo "2394"]
[PlyCount "94"]
[EventDate "2015.02.21"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "UKR"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. d4 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 Nbd7 7. Nc3 e5 8. e4 a6 9. Re1 exd4 10. Nxd4 Ng4 11. f3 Nge5 12. b3 Nc5 13. Be3 Ncd3 14. Re2 c5 15. Nc2 b5 16. f4 Nb2 17. Qd2 Nbxc4 18. bxc4 Nxc4 19. Qd3 Nb2 20. Qd2 Nc4 21. Qe1 b4 22. Nd5 Bg4 23. Rf2 Be6 24. f5 Bxd5 25. exd5 Re8 26. Re2 Bxa1 27. Qxa1 Re5 28. Qe1 Qe7 29. Kf2 Rxf5+ 30. Bf4 Qf6 31. h4 Ne5 32. Qd2 Rxf4+ 33. gxf4 Qxh4+ 34. Kg1 Ng4 35. Ne1 Qh2+ 36. Kf1 Qg3 37. Nf3 h5 38. f5 Rf8 39. Qe1 Qf4 40. Kg1 Qxf5 41. Re4 Qxd5 42. Nd2 Qd3 43. Nc4 d5 44. Ne5 Qc3 45. Nxg4 dxe4 46. Qxc3 bxc3 47. Nf6+ Kg7 0-1

[Event "EU-ch rapid"]
[Site "Wroclaw"]
[Date "2014.12.20"]
[Round "4"]
[White "Mastrovasilis, Dimitrios"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2608"]
[BlackElo "2362"]
[PlyCount "99"]
[EventDate "2014.12.20"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Bc4 Be6 6. Bxe6 fxe6 7. Be3 Nf6 8. f3 Nbd7 9. Nd2 Bc5 10. Ke2 Ke7 11. Nh3 Bxe3 12. Kxe3 Nb6 13. a4 a5 14. Nf2 Nfd7 15. Nd3 Rac8 16. b3 h5 17. h4 Rcg8 18. Rh2 Rh6 19. Rg1 Rgh8 20. Rh3 Kf6 21. Rf1 Rg6 22. g4 hxg4 23. fxg4+ Ke7 24. Rg1 Rgh6 25. Nf3 Ke8 26. g5 Rh5 27. Rg4 Nc8 28. Nfxe5 Nxe5 29. Nxe5 Ne7 30. Kd4 Rf8 31. Rc3 Kd8 32. Rd3 Kc8 33. Rf3 Rxf3 34. Nxf3 Ng6 35. c3 c6 36. b4 b6 37. bxa5 bxa5 38. Kc5 Kc7 39. Nd4 Ne5 40. Rg1 Rxh4 41. Nxe6+ Kd7 42. Nxg7 Rxe4 43. Rd1+ Kc7 44. Ne6+ Kb7 45. Rb1+ Kc8 46. Nd4 Kc7 47. Rg1 Ng6 48. Nxc6 Rxa4 49. Rh1 Nh4 50. c4 1-0

[Event "EU-ch rapid"]
[Site "Warsaw"]
[Date "2010.12.19"]
[Round "13"]
[White "Chayka, Vitaliy"]
[Black "Skawinski, Arkadiusz"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2417"]
[BlackElo "2249"]
[PlyCount "65"]
[EventDate "2010.12.18"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d4 Nbd7 6. Nbd2 e6 7. Re1 Be7 8. e4 dxe4 9. Nxe4 0-0 10. c3 Qb6 11. Qb3 Rfe8 12. Nxf6+ Bxf6 13. Be3 Qxb3 14. axb3 a6 15. Nd2 Rad8 16. Nc4 Nf8 17. Na5 Rd7 18. h3 Bh5 19. g4 Bg6 20. Red1 Bd8 21. Nc4 Bc7 22. b4 Bc2 23. Rd2 Bb3 24. Na5 Bxa5 25. Rxa5 Bd5 26. Ra1 Bxg2 27. Kxg2 e5 28. dxe5 Rxd2 29. Bxd2 Rxe5 30. Kf3 Ne6 31. Be3 Kf8 32. Rd1 Ke7 33. Rd2 1/2-1/2

[Event "Champions Challenge 189th"]
[Site "Playchess.com INT"]
[Date "2007.03.10"]
[Round "1.2"]
[White "Chayka, Vitaliy"]
[Black "Plaskett, H James"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2417"]
[BlackElo "2492"]
[PlyCount "66"]
[EventDate "2007.03.10"]
[EventType "k.o. (blitz)"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nf6 3. Bg2 Nc6 4. d4 e6 5. 0-0 cxd4 6. Nxd4 d5 7. c4 Be7 8. Nc3 0-0 9. cxd5 Nxd5 10. Nxd5 exd5 11. Nxc6 bxc6 12. Be3 Rb8 13. b3 a5 14. Rc1 Bd7 15. Bc5 Re8 16. Qd2 Bg5 17. e3 h5 18. f4 Bf6 19. Rfe1 h4 20. e4 dxe4 21. Bxe4 Qc8 22. Qxa5 Bf5 23. Bxf5 Qxf5 24. Qd2 Ra8 25. Bf2 h3 26. a4 Red8 27. Qc2 Rd3 28. Qc4 Rad8 29. Qxc6 Rxb3 30. a5 Bc3 31. Red1 Rxd1+ 32. Rxd1 Rb1 33. Qd6 Bxa5 0-1

[Event "Champions Challenge 189th"]
[Site "Playchess.com INT"]
[Date "2007.03.10"]
[Round "1.1"]
[White "Plaskett, H James"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2492"]
[BlackElo "2417"]
[PlyCount "69"]
[EventDate "2007.03.10"]
[EventType "k.o. (blitz)"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 0-0 6. 0-0 Nc6 7. h3 Nd7 8. Bh2 e5 9. c4 exd4 10. exd4 Re8 11. Nc3 a5 12. Qd2 h6 13. Rfe1 Nf6 14. Bd3 Rxe1+ 15. Rxe1 Bd7 16. d5 Nb4 17. Bb1 Qf8 18. Bf4 Kh7 19. Nd4 Re8 20. Be3 Na6 21. f3 Nc5 22. Bc2 Nh5 23. g4 Nf6 24. Kg2 Re7 25. h4 Qe8 26. h5 Bxg4 27. hxg6+ fxg6 28. fxg4 Nxg4 29. Nd1 Ne4 30. Qd3 Nc5 31. Qd2 Ne4 32. Bxe4 Rxe4 33. Ne6 Qe7 34. Bg5 Bf6 35. Rxe4 1-0

[Event "Champions Challenge 180th"]
[Site "Playchess.com INT"]
[Date "2007.01.13"]
[Round "1.2"]
[White "Chayka, Vitaliy"]
[Black "Womacka, Mathias"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2417"]
[BlackElo "2448"]
[PlyCount "80"]
[EventDate "2007.01.13"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bg2 Bg7 6. Nb3 Nf6 7. Nc3 0-0 8. 0-0 d6 9. h3 Be6 10. e4 a6 11. Re1 Ne5 12. Nd4 Bd7 13. Kh2 Rc8 14. Nd5 Nxd5 15. exd5 Re8 16. c3 Nc4 17. a4 Qb6 18. Re2 Bxd4 19. cxd4 Na5 20. Ra3 Nc4 21. Rd3 Bf5 22. Rb3 Qa7 23. g4 Bd7 24. Rc3 Qb6 25. b3 Na5 26. Rce3 Nxb3 27. Bb2 Bxa4 28. Rxe7 Rxe7 29. Rxe7 Re8 30. Rxe8+ Bxe8 31. Qe2 Kf8 32. Qe3 a5 33. h4 a4 34. h5 Qb4 35. hxg6 hxg6 36. Qh6+ Kg8 37. Qe3 Kf8 38. Be4 a3 39. Bc3 Qc4 40. Qh6+ Kg8 0-1

[Event "Champions Challenge 180th"]
[Site "Playchess.com INT"]
[Date "2007.01.13"]
[Round "1.1"]
[White "Womacka, Mathias"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2448"]
[BlackElo "2417"]
[PlyCount "55"]
[EventDate "2007.01.13"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 c4 7. Ne5 Qb6 8. Bxc6+ bxc6 9. 0-0 Bd6 10. Re1 Be6 11. Ndf3 h6 12. Ng6 Rh7 13. Nf4 Bxf4 14. Bxf4 Qd8 15. b3 cxb3 16. axb3 Ne7 17. c4 Kf8 18. c5 Kg8 19. Ra6 Qc8 20. Qa1 Qb7 21. Qa4 Rh8 22. Ra1 Kh7 23. Rxa7 Rxa7 24. Qxa7 Qxa7 25. Rxa7 Ng6 26. Bd6 Bf5 27. Rxf7 Ra8 28. h3 1-0

[Event "Champions Challenge 151st"]
[Site "Playchess.com INT"]
[Date "2006.06.17"]
[Round "1.1"]
[White "Chayka, Vitaliy"]
[Black "Lilov, Valeri"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2485"]
[BlackElo "2210"]
[PlyCount "24"]
[EventDate "2006.06.17"]
[EventType "k.o. (blitz)"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d4 0-0 6. c4 d6 7. Nc3 c6 8. b3 Qa5 9. Bb2 e5 10. e4 fxe4 11. Ng5 Bg4 12. Qe1 exd4 0-1

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.23"]
[Round "9"]
[White "Chayka, Vitaliy"]
[Black "Romaniv, Dmytro"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "69"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. b3 Nf6 4. Bb2 Bg4 5. Bg2 Nbd7 6. 0-0 e6 7. d3 Bd6 8. e4 dxe4 9. dxe4 Qc7 10. Nbd2 0-0-0 11. Qe1 Be7 12. a3 Ne8 13. h3 Bh5 14. e5 Bg6 15. Rc1 h5 16. Qe2 Nb6 17. Rfd1 h4 18. g4 Nd5 19. Ne4 Nf4 20. Qe3 Nxg2 21. Kxg2 Bxe4 22. Qxe4 Qa5 23. b4 Qa4 24. Rxd8+ Bxd8 25. Rd1 c5 26. Qd3 Be7 27. b5 Nc7 28. Qd7+ Kb8 29. Qxe7 Nd5 30. Qd6+ Ka8 31. Qxc5 Qe4 32. Bc1 Kb8 33. c4 Nf4+ 34. Bxf4 Qxf4 35. Rd4 1-0

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.21"]
[Round "7"]
[White "Chayka, Vitaliy"]
[Black "Lodochnikov, Alexandr"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1910"]
[PlyCount "70"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 e6 4. b3 f5 5. Bb2 Nf6 6. d3 Bd6 7. Nbd2 Nbd7 8. 0-0 e5 9. e4 fxe4 10. dxe4 0-0 11. Re1 Re8 12. Qe2 Qc7 13. exd5 cxd5 14. c4 d4 15. Rac1 Bc5 16. Ng5 h6 17. Nge4 a5 18. a3 Ra6 19. h4 Nxe4 20. Nxe4 Nf6 21. Nxf6+ Rxf6 22. Bd5+ Kh8 23. Rc2 Bh3 24. Rd2 Rxf2 25. Qxf2 d3 26. Re3 Rf8 27. Bf3 e4 28. Kh2 Rxf3 29. Rxf3 Bxf2 30. Rf8+ Kh7 31. Rdxf2 Be6 32. Bc1 Qb6 33. Rf1 e3 34. Re8 e2 35. Ref8 e1Q 0-1

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.20"]
[Round "6"]
[White "Vecherkin, Alexey"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2090"]
[PlyCount "73"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. c4 0-0 6. e3 c5 7. cxd5 Nxd5 8. e4 Nc7 9. dxc5 Ne6 10. Be3 Qa5 11. Qc1 b6 12. Bc4 Bd7 13. 0-0 Rc8 14. Bd5 Nc6 15. Nc4 Qa6 16. cxb6 Rab8 17. Qd2 axb6 18. Rfd1 b5 19. Na3 Na5 20. Rac1 b4 21. Nb1 Be8 22. Rxc8 Qxc8 23. Rc1 Qd7 24. a3 Nc7 25. Bxf7+ Kxf7 26. Ng5+ Kg8 27. Qxd7 Bxd7 28. Rxc7 bxa3 29. Nxa3 Bc6 30. Ba7 Rd8 31. f3 Bxb2 32. Nc4 Nxc4 33. Rxc6 Nd6 34. Rc2 Be5 35. g3 Nb5 36. Bf2 h6 37. Rc5 1-0

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.19"]
[Round "5"]
[White "Chayka, Vitaliy"]
[Black "Berdiugina, Elena"]
[Result "0-1"]
[ECO "E63"]
[BlackElo "2118"]
[PlyCount "76"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 Nf6 4. c4 d6 5. Bg2 0-0 6. 0-0 Nc6 7. Nc3 a6 8. b3 Rb8 9. a4 Bd7 10. Bb2 Qc8 11. Re1 Bh3 12. Bh1 Bg4 13. d5 Na5 14. Nd2 c5 15. Qc2 h5 16. Ra2 h4 17. Nd1 hxg3 18. hxg3 Bh6 19. Bc3 b6 20. f3 Bd7 21. Bg2 Nb7 22. Kf2 b5 23. axb5 axb5 24. Ne4 Bg7 25. Rh1 Re8 26. Ng5 b4 27. Bb2 Ra8 28. Rxa8 Qxa8 29. e4 Qa2 30. Re1 Na5 31. Re3 Bh6 32. f4 Ng4+ 33. Kf3 Nxe3 34. Nxe3 Qxb3 35. Qc1 Ra8 36. Ba1 Nxc4 37. Qxc4 Qxc4 38. Nxc4 Rxa1 0-1

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.18"]
[Round "4"]
[White "Andreev, Volodymyr"]
[Black "Chayka, Vitaliy"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "30"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 f5 5. exf6 Nxf6 6. Bb5+ Nc6 7. Qh4 Qb6 8. Bxc6+ bxc6 9. dxc5 Bxc5 10. Nd2 0-0 11. Nh3 Ba6 12. a4 Ne4 13. Nxe4 dxe4 14. Qg3 Rad8 15. Rb1 e3 0-1

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.17"]
[Round "3"]
[White "Dmitriev, Sergey"]
[Black "Chayka, Vitaliy"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "123"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. Bg5 h6 7. Bh4 0-0 8. 0-0 Re8 9. Re1 Nbd7 10. Nbd2 c6 11. c3 Rxe1+ 12. Qxe1 Nf8 13. Ne5 g5 14. Bg3 Nh5 15. Qe2 Ng7 16. Ng4 Bxg4 17. Qxg4 Bxg3 18. Qxg3 Qe7 19. Nf3 f6 20. Re1 Qd7 21. h3 Nh5 22. Qg4 Qxg4 23. hxg4 Nf4 24. Bf5 Kf7 25. g3 N4e6 26. Kf1 Re8 27. Re3 Ke7 28. Ke2 Kd6 29. Kd2 Ng7 30. Bd3 b6 31. b3 Rxe3 32. Kxe3 Ke6 33. Ne1 Ne8 34. Nc2 Nd6 35. f4 Ke7 36. Kf3 Ne6 37. Ne3 Ng7 38. Nc2 Ke6 39. Ne3 Nge8 40. c4 dxc4 41. bxc4 Nc7 42. Nf5 Nxf5 43. gxf5+ Ke7 44. fxg5 fxg5 45. g4 Ne8 46. Be4 Kd6 47. Ke3 Nf6 48. Bf3 Nd7 49. Ke4 Nf6+ 50. Ke3 a5 51. a4 Nd7 52. Ke4 c5 53. Kd3 Nf6 54. Ke3 Kc7 55. Kd3 Kd6 56. Ke3 Ke7 57. Kd3 Nd7 58. Ke4 Kd6 59. Kd3 cxd4 60. Kxd4 Ne5 61. Bd1 Nd7 62. Bf3 1/2-1/2

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.16"]
[Round "2"]
[White "Chayka, Vitaliy"]
[Black "Volosheniuk, Alexey"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2082"]
[PlyCount "132"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 Bf5 4. c4 e6 5. Nc3 Bd6 6. c5 Bxf4 7. exf4 Qc7 8. g3 b6 9. b4 a5 10. a3 axb4 11. axb4 Rxa1 12. Qxa1 bxc5 13. bxc5 Ne7 14. Nf3 0-0 15. Be2 Nd7 16. 0-0 Qb7 17. Qa3 Ra8 18. Qc1 h6 19. Rd1 Qb4 20. Qd2 Ra3 21. Nb1 Qxd2 22. Nbxd2 Kf8 23. Kg2 Ke8 24. Bf1 Kd8 25. Re1 Kc7 26. Re3 Ra4 27. h3 Nf6 28. g4 Be4 29. Bd3 Bxd3 30. Rxd3 Ng6 31. Re3 Nxf4+ 32. Kg3 Ng6 33. Re1 Ra3 34. Re3 Ra2 35. Re1 Nd7 36. h4 Ne7 37. h5 Nc8 38. Nf1 Na7 39. Re3 Nb5 40. Rd3 Nf6 41. N3d2 Ne4+ 42. Kf3 Nxd2+ 43. Nxd2 Ra3 44. Rxa3 Nxa3 45. Ke2 Nb5 46. Ke3 Kd7 47. f3 Nc7 48. f4 Na6 49. Nf3 Nb8 50. g5 Ke7 51. gxh6 gxh6 52. Ne5 f6 53. Ng4 Nd7 54. f5 e5 55. dxe5 Nxe5 56. Nxh6 Kf8 57. Kf4 Kg7 58. Ng4 Nxg4 59. Kxg4 Kh6 60. Kh4 d4 61. Kg4 d3 62. Kf3 Kxh5 63. Ke3 Kg5 64. Kxd3 Kxf5 65. Kd4 Kf4 66. Kd3 Ke5 0-1

[Event "Geller Memorial op-A 1st"]
[Site "Odessa"]
[Date "2005.09.15"]
[Round "1"]
[White "Nedilko, Vasily"]
[Black "Chayka, Vitaliy"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2334"]
[PlyCount "85"]
[EventDate "2005.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nb6 8. Nc3 Nc6 9. d5 Na5 10. Qc2 c6 11. dxc6 Nxc6 12. Rd1 Bd7 13. Be3 Nc4 14. Bf4 Rc8 15. Rac1 Qe8 16. b3 Nb4 17. Qe4 Bf5 18. Qxb7 Nb2 19. Re1 Bxc3 20. Rxc3 Rxc3 21. Qxb4 Qc8 22. Be5 Rc2 23. Qxe7 Qe6 24. Qa3 Bg4 25. Bxb2 Rxe2 26. Rf1 Qd7 27. Ne5 Qe6 28. Nxg4 Qxg4 29. Ba1 Qd7 30. Bf3 Rd2 31. Qa5 f6 32. Rc1 Rf7 33. Bc3 Rd3 34. Be2 Rd5 35. Qb4 Kg7 36. Qf4 Qd6 37. Bc4 Rd1+ 38. Rxd1 Qxd1+ 39. Kg2 Rf8 40. Qc7+ Kh6 41. h4 a6 42. Qe7 Qd8 43. Bd2+ 1-0

