[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.05"]
[Round "7"]
[White "Demchenko, Yaroslav"]
[Black "Sesselmann, Christoph"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1773"]
[BlackElo "1976"]
[PlyCount "105"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nc6 7. Bg2 Nf6 8. 0-0 Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Na4 e5 13. b4 Ba7 14. Be3 Bxe3 15. Qxe3 Be6 16. Nb6 Rd8 17. h3 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Rfd1 Bxg2 21. Rxd8+ Kxd8 22. Kxg2 Re8 23. Rd1+ Ke7 24. Rd5 Kf8 25. Qd3 Kg8 26. c4 e4 27. Qd4 Qe7 28. c5 Qe6 29. g4 Qg6 30. Rd8 Qe6 31. Rd5 Qg6 32. Rf5 Qe6 33. Qd5 Qe7 34. Qd4 e3 35. fxe3 Qxe3 36. Qxe3 Rxe3 37. Rd5 Re2+ 38. Kf3 Rxa2 39. Rd7 a5 40. Rxb7 axb4 41. Rxb4 Rc2 42. Rb8+ Kh7 43. Rb5 Rc3+ 44. Ke4 Rxh3 45. c6 Rc3 46. Kd5 Kg6 47. Kd6 Kf6 48. Rf5+ Kg6 49. c7 Rxc7 50. Kxc7 h5 51. Rxh5 Kf6 52. Kd6 g6 53. Ra5 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.04"]
[Round "5"]
[White "Demchenko, Yaroslav"]
[Black "Schwarzmann, Tobias"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1773"]
[BlackElo "1927"]
[PlyCount "129"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 Be7 7. 0-0 0-0 8. Re1 Ne5 9. Bf1 Ng6 10. b3 c6 11. Bb2 Qc7 12. a4 Rd8 13. Qd2 d5 14. exd5 Nxd5 15. Nxd5 Rxd5 16. Bc4 Rd8 17. Qe2 Bb4 18. h4 Bxe1 19. Rxe1 h6 20. Qf3 Qf4 21. Qc3 Qf6 22. h5 Nf8 23. Qb4 Qg5 24. Qc3 Be6 25. Nf3 Qf6 26. Qxf6 gxf6 27. Bxf6 Re8 28. Re4 Nh7 29. Bc3 Ng5 30. Nxg5 hxg5 31. Bf6 Bf5 32. Rd4 Re4 33. Rd6 g4 34. Kh2 Re1 35. Bc3 Re6 36. Bxe6 Bxe6 37. Kg3 Kh7 38. Bd2 Kg7 39. b4 Kf6 40. Bf4 Kf5 41. Be3 a6 42. Kh4 Rg8 43. Rd4 Ke5 44. g3 Bf5 45. c3 f6 46. Rf4 Ke6 47. Bd4 Rf8 48. a5 Rf7 49. f3 gxf3 50. g4 Bc2 51. Rxf3 Bb1 52. Kg3 Bc2 53. Kf2 Bb1 54. Ke3 Bc2 55. Kd2 Bh7 56. Kc1 Ke7 57. Kb2 Ke6 58. Kb3 Bb1 59. Kc4 Ba2+ 60. Kc5 Bd5 61. Rf4 Bg2 62. h6 Bd5 63. g5 fxg5 64. Rxf7 Kxf7 65. h7 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.04"]
[Round "6"]
[White "Kowalczyk, Pawel"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2360"]
[BlackElo "1773"]
[PlyCount "107"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. g3 g6 4. Bg2 Bg7 5. c3 e5 6. 0-0 Nge7 7. Na3 0-0 8. Nc2 d5 9. d3 Be6 10. f4 Qd7 11. fxe5 Nxe5 12. d4 cxd4 13. cxd4 N5c6 14. e5 Bg4 15. Bg5 Nf5 16. Rf4 Bxe2 17. Qxe2 h6 18. Bf6 Bxf6 19. exf6 Qe6 20. Qf2 Rae8 21. Bh3 Qxf6 22. Bxf5 gxf5 23. Rxf5 Qg6 24. Rxd5 Qd3 25. Re1 Rxe1+ 26. Nxe1 Qc4 27. Rd7 Re8 28. Nd3 Re7 29. Rxe7 Nxe7 30. Nf4 Qxa2 31. Qe2 Kf8 32. Qd2 Qb1+ 33. Kf2 Qe4 34. d5 Nf5 35. Qc1 Qd4+ 36. Kf3 Kg7 37. Qc7 Qd1+ 38. Ke4 Qb1+ 39. Ke5 Ne3 40. d6 Qf5+ 41. Kd4 Nc2+ 42. Kc3 Ne3 43. Kd2 Qe5 44. Qc3 Qxc3+ 45. Kxc3 Kf6 46. Kd4 Nf5+ 47. Kc5 Ng7 48. Kd5 Ne6 49. Nxe6 fxe6+ 50. Ke4 a5 51. g4 e5 52. h4 Ke6 53. g5 hxg5 54. h5 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.03"]
[Round "3"]
[White "Demchenko, Yaroslav"]
[Black "Becker, Tobias"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1773"]
[BlackElo "2125"]
[PlyCount "70"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ne4 6. Qe2 Nc5 7. 0-0 Ne6 8. c3 d5 9. exd6 Bxd6 10. cxd4 0-0 11. Be3 Qf6 12. Qd2 Nf4 13. Bxf4 Bxf4 14. Qc3 Bg4 15. d5 Bxf3 16. Qxf3 Ne5 17. Qb3 Nxc4 18. Qxc4 Qh4 19. g3 Bxg3 20. Qxh4 Bxh4 21. Nc3 Bf6 22. Rac1 Rad8 23. Rfd1 Rd7 24. Nb5 Be5 25. Nxa7 Ra8 26. Nb5 Rxa2 27. Rc5 f6 28. Rdc1 Rxb2 29. Nxc7 Bxc7 30. Rxc7 Rxd5 31. Re1 Rg5+ 32. Kf1 h5 33. Re8+ Kh7 34. Rb8 b5 35. h4 Rf5 0-1

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.03"]
[Round "4"]
[White "Koch, Christian1"]
[Black "Demchenko, Yaroslav"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1989"]
[BlackElo "1773"]
[PlyCount "52"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Nc3 Bg7 5. Bc4 d6 6. d3 e6 7. Be3 Nd4 8. Bxd4 cxd4 9. Nb5 d5 10. exd5 exd5 11. Bxd5 Qa5+ 12. Kf2 Qxb5 13. Qe2+ Ne7 14. Rhe1 Bf6 15. Bc4 Qf5 16. Qe4 0-0 17. Nxd4 Qc5 18. Kf1 Bf5 19. Nxf5 Nxf5 20. Qxb7 Ne3+ 21. Rxe3 Qxe3 22. Bxf7+ Kh8 23. g3 Bd4 24. Kg2 Rab8 25. Qc7 Rxb2 26. Rf1 Qe2+ 0-1

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.02"]
[Round "2"]
[White "Demchenko, Yaroslav"]
[Black "Wunder, Horst"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1773"]
[BlackElo "2087"]
[PlyCount "115"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 b6 2. d4 e6 3. Nf3 Bb7 4. Bd3 Ne7 5. c4 g6 6. Nc3 Bg7 7. h4 h6 8. Be3 d6 9. Qd2 Nd7 10. 0-0-0 Nf6 11. Bf4 Ng4 12. Bc2 a6 13. Nh2 Nxh2 14. Bxh2 0-0 15. Bf4 Kh7 16. h5 g5 17. e5+ Kg8 18. Qd3 f5 19. exf6 Rxf6 20. Qh7+ Kf8 21. Be5 Ng8 22. Bxf6 Qxf6 23. f3 Re8 24. Rhe1 Re7 25. Qd3 Qf7 26. Qg6 Qxg6 27. Bxg6 Nf6 28. Ne4 Nd7 29. Nc3 Kg8 30. Re2 Nf8 31. Be4 Bc8 32. Bc6 Rf7 33. Be4 Bd7 34. Kc2 c6 35. d5 exd5 36. cxd5 c5 37. Bd3 b5 38. b3 Nh7 39. Ne4 Bf8 40. Rde1 Bf5 41. a4 Bxe4 42. Bxe4 Nf6 43. axb5 axb5 44. Ra1 Re7 45. g4 Re5 46. Ra8 Kg7 47. Ra7+ Kg8 48. Bd3 Rxe2+ 49. Bxe2 Nxd5 50. Bxb5 Nb4+ 51. Kd2 d5 52. Rd7 Bg7 53. Bd3 Be5 54. Bf5 Kf8 55. Be6 d4 56. Bc4 Bf4+ 57. Ke2 Be5 58. Rf7+ 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.02"]
[Round "1"]
[White "Jones, Rashad"]
[Black "Demchenko, Yaroslav"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "817"]
[BlackElo "1773"]
[PlyCount "64"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. Bc4 Bg7 5. 0-0 e6 6. d3 Nge7 7. Bg5 h6 8. Be3 d5 9. Bxc5 dxc4 10. Bxe7 Qxe7 11. dxc4 0-0 12. Re1 Rd8 13. Nd5 exd5 14. exd5 Qf6 15. c3 Bg4 16. Re3 Ne5 17. Qe2 Nxf3+ 18. gxf3 Bh3 19. f4 Bd7 20. Qf3 Re8 21. Rxe8+ Rxe8 22. Rd1 g5 23. Kf1 Qxf4 24. Qxf4 Bh3+ 25. Kg1 gxf4 26. a3 f3 27. a4 Bf6 28. a5 Bh4 29. Rf1 Re2 30. a6 Bxf2+ 31. Rxf2 Re1+ 32. Rf1 Rxf1# 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "10"]
[White "Demchenko, Yaroslav"]
[Black "Morozov, Artem3333"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1821"]
[PlyCount "97"]
[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 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. c3 Nc6 7. 0-0 Qb6 8. Bc2 Be7 9. a3 0-0 10. b4 cxb4 11. cxb4 a5 12. Qd3 g6 13. b5 Nd8 14. a4 Re8 15. Bg5 Qc7 16. Bxe7 Rxe7 17. Nbd2 Nb6 18. Rac1 Qb8 19. Ng5 Rc7 20. Qh3 f5 21. exf6 e5 22. Qh4 e4 23. f7+ Rxf7 24. Nxf7 Nxf7 25. Bb3 Bf5 26. Qe7 Qd8 27. Qxb7 Nd6 28. Bxd5+ Kh8 29. Qc7 Qxc7 30. Rxc7 Nxd5 31. Rc5 Nb4 32. Nc4 Nxc4 33. Rxc4 e3 34. fxe3 Bd3 35. Rfc1 Bxc4 36. Rxc4 Re8 37. b6 Rb8 38. Rc5 Rxb6 39. Rxa5 Nc2 40. Re5 Ra6 41. a5 Nb4 42. Rb5 Nd3 43. Kf1 Re6 44. Ke2 Nf4+ 45. Kf3 Nh5 46. Rb6 Re7 47. a6 Ra7 48. Rb8+ Kg7 49. Rb7+ 1-0

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "5"]
[White "Demchenko, Yaroslav"]
[Black "Pavlov, Sergey1111"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1821"]
[BlackElo "2474"]
[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. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bb3 dxe5 6. Qh5 e6 7. dxe5 a5 8. a4 Na6 9. Nc3 Nc5 10. Bg5 Be7 11. Rd1 Bd7 12. Nf3 Nxb3 13. cxb3 Bxg5 14. Nxg5 Qe7 15. 0-0 h6 16. Nge4 0-0-0 17. Rc1 Bc6 18. Qe2 Rd4 19. Nb5 Rxe4 20. Na7+ Kd7 21. Rfd1+ Ke8 22. Qd3 Rxe5 23. Rxc6 Rd5 24. Qe2 Rxd1+ 25. Qxd1 bxc6 26. Nxc6 Qd6 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "8"]
[White "Demchenko, Yaroslav"]
[Black "Toroptseva, Yevheniia"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1821"]
[BlackElo "1807"]
[PlyCount "120"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bd3 0-0 10. 0-0 d4 11. Ne2 h6 12. f4 e5 13. h3 exf4 14. Bxf4 Re8 15. Ng3 Ne5 16. Nh5 Nxh5 17. Qxh5 Nxd3 18. cxd3 Be6 19. Rf3 Rc8 20. Raf1 Rc2 21. Rg3 Kf8 22. Be5 Ke7 23. Bxg7 Kd7 24. Bf6 Qb6 25. b4 Ra2 26. Qxh6 Kc8 27. Rc1+ Kb8 28. Qf4+ Ka8 29. Qc7 Qxc7 30. Rxc7 Rxa3 31. Rg5 a6 32. b5 Rxd3 33. bxa6 bxa6 34. Ra5 Bc8 35. Rd5 Rd1+ 36. Kh2 Kb8 37. Rc4 Be6 38. Rcxd4 Bxd5 39. Rxd1 Bxe4 40. h4 Bg6 41. g4 Re3 42. h5 Be4 43. h6 Bf3 44. Rd8+ Kc7 45. Rf8 Bxg4 46. h7 Rh3+ 47. Kg2 Rxh7 48. Kg3 Be6 49. Kf4 Kb6 50. Rb8+ Kc7 51. Be5+ Kc6 52. Ra8 Rh4+ 53. Kg5 Ra4 54. Kf6 Ra2 55. Bc3 Kb5 56. Rb8+ Kc4 57. Be5 a5 58. Rb2 Rxb2 59. Bxb2 Kb3 60. Bc1 a4 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "2"]
[White "Demchenko, Yaroslav"]
[Black "Tulchynskyi, Feliks"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1821"]
[BlackElo "2246"]
[PlyCount "73"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. 0-0 Be7 9. Re1 d6 10. Nxc6 bxc6 11. e5 dxe5 12. Rxe5 0-0 13. Bf4 Bd6 14. Rxe6 Bxe6 15. Bxd6 Qb6 16. Bxf8 Qxb2 17. Na4 Qb5 18. c4 Bxc4 19. Ba3 Nd5 20. Bxd5 cxd5 21. Rb1 Qa5 22. Nb6 Re8 23. Nxc4 dxc4 24. Qf3 h6 25. Rc1 Qa4 26. Qc3 Rc8 27. Bb2 f6 28. a3 Kh8 29. Qb4 Qc6 30. Bc3 Qd5 31. Qe7 Qg5 32. Rd1 Kh7 33. Qe4+ Kh8 34. Qe6 Qc5 35. Bxf6 Rg8 36. Bd4 Qb5 37. Qxh6# 1-0

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "4"]
[White "Karabanovych, Vasyl"]
[Black "Demchenko, Yaroslav"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1567"]
[BlackElo "1821"]
[PlyCount "90"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nh7 12. Nd2 f5 13. exf5 Bxf5 14. Nde4 Qe8 15. Bg4 Qg6 16. Bxf5 Rxf5 17. f3 Raf8 18. h3 h5 19. Qe2 R8f7 20. a3 Bf8 21. Rab1 Nf6 22. Bf2 Nxe4 23. Nxe4 g4 24. hxg4 hxg4 25. fxg4 Rf4 26. Ng3 Rxg4 27. b4 Rxg3 28. Bxg3 Rxf1+ 29. Qxf1 Qxg3 30. Qf6 Qg7 31. Qxg7+ Bxg7 32. bxa5 Nc5 33. a6 bxa6 34. Rb8+ Kf7 35. Rc8 Bh6 36. Rxc7+ Kf6 37. Rc6 Ke7 38. Rc7+ Kd8 39. Rh7 Bf4 40. Kf2 e4 41. g3 Be5 42. g4 Bd4+ 43. Ke2 Nd3 44. g5 Nf4+ 45. Ke1 e3 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "3"]
[White "Kuzhilniy, Oleksandr"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2220"]
[BlackElo "1821"]
[PlyCount "77"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Nxd4 10. Bxd4 Be6 11. Qd2 Rc8 12. b3 Qa5 13. Rfd1 Rfd8 14. Rac1 a6 15. f3 Nd7 16. Bxg7 Kxg7 17. Rc2 f6 18. Kh1 Rb8 19. Rb1 Rdc8 20. b4 Qd8 21. Nd1 Qg8 22. Ne3 Ne5 23. Rbc1 Rc7 24. f4 Nc6 25. b5 Nd8 26. f5 Bf7 27. a4 Rbc8 28. Qd4 Rc5 29. Rc3 Qe8 30. g4 axb5 31. cxb5 Rxc3 32. Rxc3 Rxc3 33. Qxc3 Qd7 34. g5 b6 35. Ng4 gxf5 36. gxf6+ Kg6 37. exf5+ Qxf5 38. Bd3 Bd5+ 39. Kg1 1-0

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "11"]
[White "Petrova, Irina"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2108"]
[BlackElo "1821"]
[PlyCount "59"]
[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 c5 2. Nf3 Nc6 3. Bb5 e5 4. Bxc6 dxc6 5. d3 f6 6. Nc3 Be6 7. Be3 Qd7 8. b3 g5 9. Nd2 0-0-0 10. a4 Ne7 11. Bxc5 Ng6 12. Bxa7 Nf4 13. 0-0 h5 14. Bb6 Re8 15. a5 Rg8 16. a6 bxa6 17. Rxa6 Bd6 18. Qa1 Bb8 19. Ra8 Qb7 20. Be3 g4 21. Bxf4 exf4 22. Nc4 Kd7 23. d4 f3 24. g3 Bxc4 25. bxc4 h4 26. d5 c5 27. Qa4+ Kc8 28. Rb1 Qc7 29. Rbxb8+ Qxb8 30. Qc6+ 1-0

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "6"]
[White "Pustovit, Maksym"]
[Black "Demchenko, Yaroslav"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1621"]
[BlackElo "1821"]
[PlyCount "132"]
[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 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 Bg4 6. axb4 Nc6 7. Nc3 Qd7 8. Bb5 e6 9. h3 Bxf3 10. Qxf3 Bxb4 11. Qg4 Bf8 12. 0-0 Nf6 13. Qf3 Be7 14. Bb2 0-0 15. Rad1 Nd4 16. Qd3 Nxb5 17. Qxd7 Nxd7 18. Nxb5 a6 19. Nc3 Bf6 20. d4 Rac8 21. Rd3 Nb6 22. Rfd1 Nd5 23. Nxd5 exd5 24. Ba3 Rfe8 25. c3 Re2 26. Rc1 b5 27. Bb4 Rc4 28. Kf1 Re6 29. f4 Rec6 30. Re1 Rc8 31. Re2 g6 32. g4 h6 33. f5 Ra8 34. fxg6 fxg6 35. Re6 Kg7 36. Rf3 Bg5 37. Be7 Rc7 38. Bxg5 hxg5 39. Rd6 a5 40. Rxd5 a4 41. Rxb5 a3 42. Rb1 a2 43. Ra1 Rb7 44. Ke2 Ra3 45. Kd3 Rb2 46. d5 Ra5 47. c4 Ra3+ 48. Ke4 Re2+ 49. Kd4 Rxf3 50. d6 Rd2+ 51. Kc5 Rb3 52. Kc6 Rb1 53. Rxa2 Rxa2 54. d7 Rd1 55. c5 Rc2 56. Kc7 Rxc5+ 57. Kd8 Rcd5 58. Ke8 Rxd7 59. h4 Rd8+ 60. Ke7 R1d7+ 61. Ke6 gxh4 62. g5 h3 63. Ke5 h2 64. Ke6 h1Q 65. Ke5 Qh2+ 66. Ke6 Qd6# 0-1

[Event "Malakhatko Memorial op"]
[Site "Chess.com INT"]
[Date "2023.06.14"]
[Round "7"]
[White "Shinkarev, M."]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2142"]
[BlackElo "1821"]
[PlyCount "81"]
[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. c4 c5 2. e3 e5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Nge7 7. a3 0-0 8. Rb1 a5 9. b3 d6 10. Bb2 Be6 11. Nd5 Rb8 12. d4 b5 13. Nxe7+ Nxe7 14. d5 Bf5 15. e4 Bg4 16. f3 Bd7 17. 0-0 b4 18. a4 f5 19. f4 fxe4 20. fxe5 Bxe5 21. Bxe5 dxe5 22. Rxf8+ Qxf8 23. d6 Nf5 24. Qd5+ Qf7 25. Qxc5 Qe6 26. Rd1 Rc8 27. Qxa5 Ne3 28. Re1 Nxg2 29. Kxg2 e3 30. Kg1 Bc6 31. Qb6 Qf6 32. Qxe3 Qxd6 33. Nc1 e4 34. Ne2 Rf8 35. Nf4 Rd8 36. c5 Qd2 37. Qxd2 Rxd2 38. a5 Ra2 39. Ne6 Rxa5 40. Rc1 Ra3 41. Nd4 1-0

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.06.03"]
[Round "9"]
[White "Peglau, Charis"]
[Black "Demchenko, Yaroslav"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2114"]
[BlackElo "1814"]
[PlyCount "88"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. b3 g6 2. Bb2 Nf6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. 0-0 c5 7. c4 e5 8. d4 cxd4 9. exd4 e4 10. Nfd2 d5 11. cxd5 Qxd5 12. Nc3 Qxd4 13. Nb5 Qd8 14. Rc1 e3 15. Bxf6 exf2+ 16. Kh1 Bxf6 17. Nc7 Bg5 18. Nxa8 Bxd2 19. Rc2 Be3 20. Nc7 Bf5 21. Rc4 Qg5 22. Nd5 Rd8 23. h4 Rxd5 24. hxg5 Rxd1 25. Rxd1 Nc6 26. g4 b5 27. gxf5 bxc4 28. Bxc4 gxf5 29. Kg2 Ne5 30. Rd8+ Kg7 31. Re8 Bd4 32. a4 f4 33. Bb5 Kg6 34. Rd8 Be3 35. Rg8+ Kf5 36. Rg7 f3+ 37. Kg3 Bf4+ 38. Kxf2 Kg4 39. Rxh7 Bxg5 40. Rh1 Kf4 41. Rg1 Bh4+ 42. Kf1 Bg3 43. Rh1 a5 44. Rh7 Ke4 1/2-1/2

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.06.02"]
[Round "8"]
[White "Demchenko, Yaroslav"]
[Black "Mueller, Maximilian3333"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1814"]
[BlackElo "1908"]
[PlyCount "90"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nf3 Bb7 4. Bd3 c5 5. c4 cxd4 6. Nxd4 Nc6 7. Nf3 Nf6 8. 0-0 Be7 9. e5 Ng4 10. Qe2 Qc7 11. Bf4 d6 12. exd6 Bxd6 13. Bxd6 Qxd6 14. g3 0-0-0 15. Bc2 Nge5 16. Be4 f5 17. Nxe5 Qxe5 18. Bf3 Qd6 19. Na3 Kb8 20. Rad1 Nd4 21. Rxd4 Qxd4 22. Bxb7 Kxb7 23. Qxe6 Qd7 24. Qe3 Qd3 25. Qe5 g6 26. Nb5 Qd7 27. a4 Rhe8 28. Qf6 Re6 29. Qg5 Qe7 30. Qf4 Re1 31. Qf3+ Qe4 32. Qxe4+ Rxe4 33. Rc1 Rd2 34. c5 bxc5 35. Rxc5 Ree2 36. Rc7+ Kb6 37. Rxa7 Rxf2 38. Rxh7 Rxb2 39. Nd6 Kc6 40. Nc4 Rg2+ 41. Kh1 Ra2 42. Ne5+ Kd6 43. Nc4+ Ke6 44. Rg7 Rgc2 45. Rxg6+ Ke7 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.06.01"]
[Round "7"]
[White "Maul, Maik Joel"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "1803"]
[BlackElo "1814"]
[PlyCount "130"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f4 d6 8. Be2 0-0 9. 0-0 Qb6 10. e5 dxe5 11. fxe5 Nxe5 12. Nf5 Qe6 13. Nxg7 Kxg7 14. Qd4 h6 15. Nb5 Neg4 16. Bxg4 Qxg4 17. Nc7 Rb8 18. Qxa7 Bf5 19. Qc5 Qe4 20. Rae1 Qxc2 21. Qxe7 Qc6 22. Bd4 Rfd8 23. Qxf6+ Qxf6 24. Bxf6+ Kxf6 25. g4 Rbc8 26. Nb5 Rc2 27. gxf5 Rdd2 28. fxg6+ Kxg6 29. Rf3 Rg2+ 30. Kf1 Rxb2 31. Nd6 Rxh2 32. Rg3+ Kh7 33. Kg1 Rhd2 34. Ne4 Rd8 35. a4 h5 36. Rf1 f6 37. Nxf6+ Kh6 38. Ng8+ Kh7 39. Ne7 Rb4 40. Rf5 Rd1+ 41. Kh2 Rb2+ 42. Rg2 Rxg2+ 43. Kxg2 Kh6 44. Rb5 Rd7 45. Nf5+ Kg5 46. Nd6+ Kf4 47. Rb4+ Ke3 48. Nxb7 Rg7+ 49. Kh3 Kf3 50. Kh4 Rg4+ 51. Rxg4 hxg4 52. Nc5 g3 53. Nd3 g2 54. Ne1+ Ke4 55. Nxg2 Kd4 56. Ne3 Kc5 57. Nd1 Kb4 58. Nb2 Ka5 59. Kg4 Ka6 60. Kf4 Ka5 61. Ke4 Ka6 62. Kd4 Ka5 63. Kc5 Ka6 64. Nc4 Ka7 65. Kb5 Kb8 1-0

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.05.31"]
[Round "5"]
[White "Demchenko, Yaroslav"]
[Black "Schulz, Bruno Andreas"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1814"]
[BlackElo "1796"]
[PlyCount "76"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Nc6 8. 0-0 g6 9. Be3 Bg7 10. f4 d6 11. e5 dxe5 12. Nxc6 bxc6 13. Bc5 exf4 14. Rxf4 Bb7 15. Qf1 Nh5 16. Rf2 f5 17. Qc4 Kf7 18. Ne4 Bf6 19. Nd6+ Kg7 20. Qxe6 Bc8 21. Ne8+ Rxe8 22. Qxe8 Bb7 23. Qe1 Kf7 24. Rd1 Re8 25. Re2 Rc8 26. Qb4 Ba8 27. Qb3+ Kg7 28. Red2 Qe5 29. Rd7+ Kh6 30. Bd4 Qe2 31. Bf3 Bxd4+ 32. R7xd4 Qe5 33. Bxh5 c5 34. Rh4 g5 35. Ra4 Rd8 36. Rf1 c4 37. Rxc4 Kxh5 38. Rb4 Qd5 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.05.30"]
[Round "4"]
[White "Pfeffer, Samuel"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1504"]
[BlackElo "1814"]
[PlyCount "81"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 a5 8. h4 Na6 9. h5 Nc5 10. Qc2 Bd7 11. 0-0-0 Qe8 12. hxg6 fxg6 13. Nh3 c6 14. dxc6 Bxc6 15. f3 Qe7 16. g4 Ne6 17. Qd2 Ne8 18. Ng5 Nxg5 19. Bxg5 Bf6 20. Be3 Qe6 21. b3 a4 22. Kb2 axb3 23. axb3 Qe7 24. c5 dxc5 25. Bc4+ Kh8 26. g5 b5 27. Bxc5 bxc4 28. Bxe7 Bxe7 29. Qh2 Rf7 30. Qxe5+ Kg8 31. Qe6 Ba3+ 32. Kb1 Rb8 33. Qxc4 Nd6 34. Qxc6 Rxb3+ 35. Ka2 Rb2+ 36. Kxa3 Rfb7 37. Qxb7 Nc4+ 38. Ka4 Rxb7 39. Rd8+ Kg7 40. Nb5 Nb2+ 41. Kb4 1-0

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.05.29"]
[Round "3"]
[White "Demchenko, Yaroslav"]
[Black "Fathke, Luke"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1814"]
[BlackElo "1637"]
[PlyCount "70"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bg5 Qb6 6. Bd3 Bxd3 7. Qxd3 e6 8. Nd2 Qa6 9. Qf3 Ne7 10. Ne2 c5 11. c3 Nbc6 12. 0-0 Qb6 13. Qd3 cxd4 14. cxd4 Nf5 15. Nf3 Be7 16. Bxe7 Ncxe7 17. Qd2 Ng6 18. g3 Qd8 19. Rfc1 0-0 20. Rc2 Nge7 21. Qg5 Rc8 22. Rxc8 Qxc8 23. Rc1 Qd7 24. Qxh5 Rc8 25. Qg5 Rxc1+ 26. Qxc1 Qa4 27. a3 Nc6 28. Qd2 Na5 29. Kg2 Nc4 30. Qc3 Qa6 31. b3 Nce3+ 32. Kh3 Qxe2 33. Qc8+ Kh7 34. Ng5+ Kg6 35. Qg8 Qf1+ 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.05.28"]
[Round "1"]
[White "Demchenko, Yaroslav"]
[Black "Honisch, Alexander"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1814"]
[BlackElo "2057"]
[PlyCount "104"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Be2 Ne4 8. cxd4 Bb6 9. 0-0 0-0 10. Nc3 Be6 11. Be3 Nxc3 12. bxc3 f6 13. exf6 Qxf6 14. a4 Rae8 15. Bb5 Bg4 16. Bxc6 bxc6 17. a5 Qg6 18. Nh4 Qh5 19. Qa4 Qxh4 20. axb6 Be2 21. Qxc6 Bxf1 22. Qxd5+ Kh8 23. g3 Qf6 24. bxa7 Ba6 25. Rb1 Bd3 26. Ra1 Ba6 27. Rb1 c6 28. Qc5 Bd3 29. Ra1 Rxe3 30. Qxf8+ Qxf8 31. a8Q Re8 32. Qxc6 Re2 33. f3 Re8 34. Qb7 Rd8 35. Qc7 Rc8 36. Qb7 h6 37. Re1 Rb8 38. Qc7 Rc8 39. Qd7 Bg6 40. Re3 Rb8 41. Qe6 Re8 42. Qxg6 Rxe3 43. f4 Rxc3 44. Kg2 Qa8+ 45. Kh3 Qc8+ 46. f5 Rc6 47. Qh5 Rf6 48. g4 Qc3+ 49. Kh4 Qxd4 50. Qe8+ Kh7 51. Kh5 Qf4 52. h4 Rxf5+ 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2023.05.28"]
[Round "2"]
[White "Oldenburg, Max Leonard"]
[Black "Demchenko, Yaroslav"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "1825"]
[BlackElo "1814"]
[PlyCount "63"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 e6 8. Qd2 exd5 9. cxd5 a6 10. a4 Nbd7 11. Nge2 h5 12. Bh6 Qa5 13. Bxg7 Kxg7 14. h3 Rh8 15. Nc1 b5 16. Nb3 Qb4 17. axb5 Nb6 18. Qc2 Nfxd5 19. exd5 Bf5 20. Qd1 Qh4+ 21. Kd2 Qf4+ 22. Ke2 Rae8+ 23. Kf2 Qe3+ 24. Kg3 Qe5+ 25. Kf2 Qe3+ 26. Kg3 h4+ 27. Kh2 Qf4+ 28. Kg1 Qe3+ 29. Kh2 Qe5+ 30. Kg1 Qe3+ 31. Kh2 Qe5+ 32. Kg1 1/2-1/2

[Event "Mittelfrank Regionalliga Nord-West 2223"]
[Site "Mittelfranken"]
[Date "2023.03.19"]
[Round "8.7"]
[White "Kellmann, Andreas"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1949"]
[BlackElo "1865"]
[PlyCount "123"]
[EventDate "2022.10.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Hoechstadt/Aisch"]
[BlackTeam "Bamberg II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. e3 g6 3. c4 Bg7 4. Nc3 Nc6 5. b3 e5 6. Bb2 e4 7. Ng1 Nb4 8. Qb1 Nd3+ 9. Bxd3 exd3 10. Nf3 Ne7 11. Qxd3 0-0 12. 0-0 d6 13. h3 Nc6 14. Rab1 Nb4 15. Qe2 Re8 16. a3 Nc6 17. Nd5 Bf5 18. d3 Nd4 19. Nxd4 cxd4 20. e4 Qh4 21. f4 Rac8 22. Qf2 Qxf2+ 23. Kxf2 Be6 24. Nb4 b5 25. Nc2 bxc4 26. bxc4 Bxc4 27. dxc4 Rxc4 28. Nb4 Rxe4 29. Rbc1 Rxf4+ 30. Kg1 Rxc1 31. Rxc1 Be5 32. Re1 f5 33. Nc6 d3 34. Nxe5 d2 35. Rd1 dxe5 36. Bxe5 Re4 37. Bc3 Re3 38. Bb4 a5 39. Kf2 Rb3 40. Bxa5 Rxa3 41. Bxd2 Ra7 42. Bh6 Kf7 43. Rd8 Kf6 44. Rf8+ Ke5 45. Bg5 Ra2+ 46. Kg1 Ra1+ 47. Kh2 Ra7 48. Re8+ Kd6 49. h4 Rb7 50. Kh3 Rb3+ 51. g3 Rb7 52. Be3 Kd7 53. Ra8 Rb3 54. Ra7+ Ke6 55. Bh6 Ke5 56. Rxh7 Ke4 57. Rd7 Kf3 58. Rd1 Kf2 59. Kh2 Ra3 60. Rd4 Kf3 61. Rf4+ Ke2 62. h5 1-0

[Event "Kiev op U16"]
[Site "Kiev"]
[Date "2021.07.20"]
[Round "2"]
[White "Demchenko, Yaroslav"]
[Black "Tobak, Mikhail"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1698"]
[BlackElo "2067"]
[PlyCount "60"]
[EventDate "2021.07.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UKR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 Ng4 6. h3 h6 7. hxg4 hxg5 8. Rxh8+ Bxh8 9. Qf3 dxe5 10. Qh3 Bg7 11. dxe5 Qd4 12. Be2 Nc6 13. Rd1 Qxe5 14. Rd5 Qe6 15. Nb5 Kf8 16. Nxc7 Qe4 17. f3 Qe3 18. Nxa8 Qxg1+ 19. Bf1 Be6 20. Rd2 Bxb2 21. f4 Bc4 22. Rf2 Bd4 23. Rf3 Bd5 24. Rd3 Qf2+ 25. Kd1 Qxf1+ 26. Kd2 Qxf4+ 27. Kd1 Qf1+ 28. Kd2 Qf2+ 29. Kd1 Be4 30. Rd2 Qf1# 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.17"]
[Round "9"]
[White "Gavrish, Leonid"]
[Black "Demchenko, Yaroslav"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2025"]
[BlackElo "1698"]
[PlyCount "74"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. f4 Nf6 12. Bf3 Ng4 13. Bxg4 Bxg4 14. Nxc6 Qd7 15. Qd3 Qxc6 16. Bd4 f6 17. Nd5 Be6 18. Rac1 Bxd5 19. cxd5 Qd7 20. Rfe1 Re7 21. Rc4 Rae8 22. h3 f5 23. Bxg7 fxe4 24. Qd4 Rxg7 25. Qxa7 Rge7 26. Qxb7 e3 27. Re2 Qf5 28. Qb5 Rf8 29. a4 Qb1+ 30. Kh2 Qf1 31. Rcc2 Qxf4+ 32. g3 Qf1 33. b4 Ref7 34. Rg2 Qb1 35. Rce2 Rf1 36. g4 Rh1+ 37. Kg3 Qe4 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.16"]
[Round "8"]
[White "Demchenko, Yaroslav"]
[Black "Gromosiak, Antonii"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1698"]
[PlyCount "141"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Nc3 0-0 8. Be3 Nc6 9. Qd2 a6 10. Be2 Bd7 11. 0-0 Rc8 12. Rfd1 Nxd4 13. Bxd4 Be6 14. b3 Nd7 15. Bxg7 Kxg7 16. f4 Nc5 17. Rf1 f5 18. Qd4+ Kg8 19. exf5 Bxf5 20. Bf3 b5 21. cxb5 axb5 22. Rfe1 h6 23. Rad1 Re8 24. Nd5 Kf7 25. h3 e6 26. Ne3 e5 27. Bd5+ Kf8 28. fxe5 dxe5 29. Qb4 Qb6 30. Rf1 Kg7 31. Kh1 Be6 32. Qh4 Bxd5 33. Nxd5 Qb7 34. Qf6+ Kh7 35. Qf7+ Qxf7 36. Rxf7+ Kg8 37. Rdf1 Ne4 38. Kh2 Rc1 39. Rxc1 Kxf7 40. Nc7 Rb8 41. Re1 Nc3 42. Rxe5 Nxa2 43. Rxb5 Rxb5 44. Nxb5 Kf6 45. Kg3 Kf5 46. Nd4+ Ke4 47. Nf3 Nb4 48. Nh4 g5 49. Ng6 Kf5 50. Ne7+ Kf6 51. Nc8 Kf5 52. Nd6+ Ke6 53. Nc4 Kf5 54. Kf3 h5 55. Ne3+ Ke5 56. Nf1 Kf5 57. Ng3+ Kg6 58. Ke4 h4 59. Nf5 Kf6 60. Ne3 Ke6 61. Kd4 Kf6 62. Nd5+ Nxd5 63. Kxd5 Kf5 64. b4 Kf4 65. b5 Kg3 66. b6 Kxg2 67. b7 Kxh3 68. b8Q g4 69. Qb1 Kg2 70. Qc2+ Kh3 71. Qd1 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.15"]
[Round "7"]
[White "Onur, Cigdem"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2024"]
[BlackElo "1698"]
[PlyCount "85"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nc7 8. Nc3 Bg7 9. Bf4 Ne6 10. Bg3 Qa5 11. 0-0-0 a6 12. h4 b5 13. Kb1 h5 14. Ng5 Bb7 15. Qe3 Bh6 16. f4 Bxg5 17. hxg5 Rc8 18. Be1 Qd8 19. Nd5 0-0 20. g4 hxg4 21. Be2 Kg7 22. Bxg4 Ncd4 23. Rxd4 Nxd4 24. Qxd4 e6 25. Bf3 Bxd5 26. Bxd5 exd5 27. Bc3 Rc4 28. Qxd5 Rxc3 29. bxc3 Rh8 30. Rd1 Qc7 31. Kb2 Rh3 32. Rd3 Rxd3 33. cxd3 Qa7 34. d4 Qc7 35. Qc5 Qb8 36. Kb3 Qh8 37. e6 Qh1 38. Qe5+ Kh7 39. e7 Qb1+ 40. Ka3 a5 41. Qe2 b4+ 42. Ka4 bxc3 43. Qh2+ 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.14"]
[Round "6"]
[White "Demchenko, Yaroslav"]
[Black "Homeniuk, Ivan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1698"]
[BlackElo "1991"]
[PlyCount "56"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. c3 Nc6 7. 0-0 Qb6 8. Bc2 Be7 9. a3 a5 10. b3 Qc7 11. Re1 b6 12. Nbd2 Ba6 13. Nf1 Rc8 14. Ra2 Bxf1 15. Kxf1 cxd4 16. cxd4 a4 17. Kg1 axb3 18. Bxb3 0-0 19. Bd2 b5 20. Qe2 Qb6 21. Qd3 Na5 22. Rb1 Nc4 23. Ba4 bxa4 24. Rxb6 Ndxb6 25. h3 h6 26. g4 Nxd2 27. Nxd2 Nc4 28. Nxc4 Rxc4 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.13"]
[Round "5"]
[White "Podolskyi, Mykhailo"]
[Black "Demchenko, Yaroslav"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2007"]
[BlackElo "1698"]
[PlyCount "96"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 c5 7. Be3 cxd4 8. Nxd4 Nc6 9. Be2 Nxd4 10. Bxd4 Be6 11. 0-0 Qa5 12. b4 Qxb4 13. Rb1 Qa5 14. Rxb7 Rfc8 15. Nd5 Bxd5 16. cxd5 Kf8 17. a4 Rcb8 18. Rb5 Rxb5 19. Bxb5 a6 20. Bc6 Rb8 21. Qe1 Qxe1 22. Rxe1 Bh6 23. e5 Ne8 24. Ba7 Rc8 25. exd6 Nxd6 26. Rb1 Kg7 27. Bd4+ f6 28. Bc5 Rc7 29. Kf2 Nc4 30. Rb7 Rxb7 31. Bxb7 a5 32. Bxe7 Be3+ 33. Ke2 Bb6 34. Bc6 Bc7 35. g3 Nd6 36. Kd3 Kf7 37. Bxd6 Bxd6 38. Bd7 Ke7 39. Be6 h5 40. Kc4 Bb4 41. Kb5 Kd6 42. Bf7 g5 43. h4 gxh4 44. gxh4 Be1 45. f4 f5 46. Bxh5 Bxh4 47. Kxa5 Kxd5 48. Kb5 Ke4 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.12"]
[Round "4"]
[White "Demchenko, Yaroslav"]
[Black "Oyberman, Iliia"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1698"]
[BlackElo "1449"]
[PlyCount "59"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Be4 6. f3 Bh7 7. e6 fxe6 8. Bd3 Bxd3 9. Qxd3 Qd6 10. f4 Nd7 11. Qg6+ Kd8 12. Nf3 Kc7 13. Ne5 Nxe5 14. fxe5 Qd7 15. h5 c5 16. c3 cxd4 17. cxd4 Qa4 18. Be3 Qb4+ 19. Nd2 Qxb2 20. Kf2 Rd8 21. Rhb1 Qa3 22. Rb3 Qa4 23. Nf3 Nf6 24. Qc2+ Kb8 25. Rxb7+ Kxb7 26. Rb1+ Ka8 27. Qxa4 Ne4+ 28. Kg1 Rc8 29. Qb3 Nc5 30. dxc5 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.12"]
[Round "3"]
[White "Muha, Sergey"]
[Black "Demchenko, Yaroslav"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2231"]
[BlackElo "1698"]
[PlyCount "73"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Nxc6 bxc6 12. Qd2 f5 13. c5 dxc5 14. Qxd8 Rxd8 15. Bc4+ Kh8 16. Bxc5 Bd4+ 17. Bxd4+ Rxd4 18. b3 Nf4 19. Rfd1 Rxd1+ 20. Rxd1 Be6 21. Bxe6 Nxe6 22. exf5 gxf5 23. Re1 Nf4 24. g3 Ng6 25. Re6 Rd8 26. f4 Rd6 27. Re8+ Kg7 28. Ra8 Rd3 29. Na4 Ne7 30. Rxa7 Nd5 31. Nc5 Rd2 32. Ra6 Kg8 33. Kf1 Ne3+ 34. Ke1 Rc2 35. Rxc6 Ng2+ 36. Kd1 Ne3+ 37. Ke1 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.11"]
[Round "2"]
[White "Demchenko, Yaroslav"]
[Black "Prymak, Mykhailo"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1698"]
[BlackElo "1249"]
[PlyCount "91"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bg5 Qa5+ 6. c3 e6 7. Bd3 Bxd3 8. Qxd3 Qa6 9. Qd2 Ne7 10. Ne2 Nd7 11. 0-0 0-0-0 12. Re1 f6 13. Be3 Nf5 14. exf6 gxf6 15. Nf4 e5 16. dxe5 Nxe5 17. Qc2 Nxh4 18. Nd2 Rg8 19. Kh1 Re8 20. g3 Nhf3 21. Qf5+ Kb8 22. Nxf3 Nxf3 23. Bxa7+ Kxa7 24. Rxe8 h4 25. Nxd5 hxg3 26. Qxf3 cxd5 27. Qe3+ b6 28. Rxf8 Rxf8 29. Qe7+ Qb7 30. Qxf8 Qh7+ 31. Kg2 Qh2+ 32. Kf3 Qxf2+ 33. Kg4 Qe2+ 34. Kf5 Qf2+ 35. Ke6 g2 36. Qg7+ Ka6 37. Kf7 f5 38. Qd4 Qf3 39. Rg1 Qh5+ 40. Ke6 Qg6+ 41. Kxd5 Qf7+ 42. Ke5 Qg7+ 43. Kxf5 Qf7+ 44. Kg4 Qg6+ 45. Kf3 Qf5+ 46. Kxg2 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.10"]
[Round "1"]
[White "Vysochin, Spartak"]
[Black "Demchenko, Yaroslav"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2503"]
[BlackElo "1698"]
[PlyCount "69"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. Nf3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Nc6 7. Bb5 Nh6 8. 0-0 0-0 9. h3 f6 10. Bxc6 bxc6 11. Re1 Nf7 12. Nc3 fxe5 13. dxe5 Qc7 14. Bf4 Nd8 15. Bg3 Ne6 16. Rc1 Qd8 17. Na4 Bd7 18. Nd4 Nxd4 19. Qxd4 Qa5 20. Nc5 Bc8 21. a3 Rb8 22. Re3 h5 23. Bh4 Bh6 24. Bxe7 Rf4 25. Qd3 Bf5 26. Qe2 d4 27. Rb3 Rxb3 28. Qc4+ Kg7 29. Bf6+ Kf8 30. Ne6+ Bxe6 31. Qxe6 Qc7 32. Rxc6 Rb6 33. Be7+ Qxe7 34. Rc8+ Kg7 35. Qg8# 1-0

