[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.13"]
[Round "9"]
[White "Prunchak, Kyrylo"]
[Black "Mikheyenkov, Oleksandr"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "47"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 Nbd7 6. Be3 0-0 7. Qd2 Re8 8. e5 dxe5 9. dxe5 Nh5 10. g4 Nxe5 11. Nxe5 Qxd2+ 12. Bxd2 Bxe5 13. gxh5 a6 14. hxg6 hxg6 15. 0-0-0 b5 16. Re1 Bg7 17. a3 e6 18. Bd3 Bb7 19. Rhg1 c5 20. Be4 Rab8 21. Bxb7 Rxb7 22. Ne4 Rd8 23. Nxc5 Rb6 24. Ba5 1-0

[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.12"]
[Round "8"]
[White "Baranov, Volodymyr"]
[Black "Mikheyenkov, Oleksandr"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "82"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. Bf4 Bg7 4. e3 Nf6 5. h3 Nbd7 6. Bd3 a6 7. c4 c5 8. Nc3 cxd4 9. exd4 Nh5 10. Be3 0-0 11. Qd2 Re8 12. 0-0-0 Rb8 13. Bh6 Nf8 14. g4 Bxh6 15. Qxh6 Ng7 16. Kc2 Bd7 17. Rdg1 b5 18. Nd2 Nge6 19. Qe3 b4 20. Ne2 Qb6 21. b3 a5 22. d5 Nc5 23. Ra1 e6 24. Ne4 exd5 25. Nf6+ Kg7 26. Qd4 Re5 27. f4 Nfe6 28. Qb2 Nxd3 29. fxe5 Nxb2 30. Nxd7 Qe3 31. Rae1 Rb7 32. Kxb2 Rxd7 33. Nc1 Qc3+ 34. Kb1 dxe5 35. Rd1 Nf4 36. Rh2 d4 37. Rhd2 d3 38. Rf2 Rd4 39. Rh2 e4 40. a3 e3 41. Na2 Qxb3+ 0-1

[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.12"]
[Round "7"]
[White "Mikheyenkov, Oleksandr"]
[Black "Bartolome Martin, Angel"]
[Result "0-1"]
[ECO "A40"]
[BlackElo "1823"]
[PlyCount "62"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 g6 2. e3 Bg7 3. b3 c5 4. Bb2 cxd4 5. exd4 d5 6. Nc3 Nc6 7. Bb5 Nf6 8. f3 0-0 9. a3 Qd6 10. Nge2 a6 11. Bxc6 Qxc6 12. Ng3 Bd7 13. Nce2 Rac8 14. c3 Qb6 15. 0-0 h5 16. h4 e5 17. Rc1 Bh6 18. f4 Ng4 19. Rf3 e4 20. Rf1 Qd8 21. Re1 Qxh4 22. Qd2 e3 23. Qd3 Rfe8 24. c4 Bxf4 25. Nxf4 Qxg3 26. Nh3 Qh2+ 27. Kf1 Qh1+ 28. Ng1 Nh2+ 29. Ke2 Bg4+ 30. Nf3 Bxf3+ 31. gxf3 Qxf3# 0-1

[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.11"]
[Round "6"]
[White "Hrabovetskyi, Vladyslav"]
[Black "Mikheyenkov, Oleksandr"]
[Result "0-1"]
[ECO "C25"]
[PlyCount "66"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 e5 3. Bc4 c6 4. Bb3 Be7 5. d3 Nd7 6. Be3 Ngf6 7. Nf3 b5 8. Ne2 Nb6 9. Ng5 0-0 10. 0-0 h6 11. Nf3 Qc7 12. c4 bxc4 13. dxc4 Nxe4 14. Bc2 Nf6 15. Qd3 e4 16. Qc3 exf3 17. gxf3 Bh3 18. Rfe1 Nh7 19. Qd3 g6 20. Bxh6 Rfe8 21. Qc3 Bf6 22. Qd3 Bf5 23. Qd2 Nxc4 24. Qf4 Bxc2 25. Qxc4 Bf5 26. Nd4 Bxd4 27. Qxd4 f6 28. Qc4+ d5 29. Rxe8+ Rxe8 30. Qc5 Ng5 31. Qc3 Qf4 32. Qxf6 Nxf3+ 33. Kf1 Bh3# 0-1

[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.11"]
[Round "5"]
[White "Mikheyenkov, Oleksandr"]
[Black "Hrabovetskyi, Oleksii"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "57"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 b6 5. Bg5 Bb7 6. cxd5 exd5 7. e3 Be7 8. Bxf6 Bxf6 9. h4 0-0 10. g4 h6 11. Qd2 Qe7 12. 0-0-0 Rd8 13. Re1 g6 14. Bd3 Bg7 15. e4 Qf6 16. Re3 h5 17. e5 Qe6 18. gxh5 Bh6 19. Ng5 Qe7 20. hxg6 fxg6 21. Bxg6 c5 22. Qd3 Bxg5 23. hxg5 Qxg5 24. Kc2 Rf8 25. Bh7+ Kh8 26. Bf5+ Kg7 27. Rg3 Rxf5 28. Qxf5 Nc6 29. Rxg5# 1-0

[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.09"]
[Round "2"]
[White "Tribushnaya, Olga"]
[Black "Mikheyenkov, Oleksandr"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1715"]
[PlyCount "73"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. c4 e5 4. Nf3 exd4 5. Nxd4 g6 6. Nc3 Bg7 7. Be2 Ngf6 8. 0-0 0-0 9. Bg5 Qe8 10. Ndb5 Qd8 11. Nd5 h6 12. Bxf6 Nxf6 13. Ndxc7 Rb8 14. Qxd6 Nxe4 15. Qxd8 Rxd8 16. Rad1 Bf5 17. Nxa7 Bxb2 18. Rxd8+ Rxd8 19. g4 Nc3 20. gxf5 Nxe2+ 21. Kg2 Nf4+ 22. Kf3 g5 23. Nd5 Nxd5 24. cxd5 Rxd5 25. Rb1 Rxf5+ 26. Ke3 Ra5 27. Rxb2 Rxa7 28. Kd4 b5 29. Kc5 b4 30. Kxb4 Rb7+ 31. Kc3 Rxb2 32. Kxb2 Kf8 33. Kc3 Ke7 34. Kd4 f5 35. Ke5 f4 36. Kf5 Kd6 37. Kg6 1-0

[Event "Mariupol CC 50th Aniversary"]
[Site "Mariupol"]
[Date "2021.06.08"]
[Round "1"]
[White "Mikheyenkov, Oleksandr"]
[Black "Hryshchenko, Kamila"]
[Result "0-1"]
[ECO "E90"]
[BlackElo "2048"]
[PlyCount "50"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. Bg5 h6 6. Bf4 0-0 7. e4 Nbd7 8. h3 c6 9. Qd2 Kh7 10. Bd3 Re8 11. g4 e5 12. Be3 exd4 13. Nxd4 d5 14. g5 hxg5 15. Bxg5 dxe4 16. Bc2 Ne5 17. 0-0-0 Nxc4 18. Qf4 Nh5 19. Qh4 Qb6 20. Nb3 Qb4 21. Bxe4 Rxe4 22. Nxe4 Bxb2+ 23. Kc2 Bf5 24. Rd3 Bxe4 25. Rhd1 Qc3+ 0-1

