[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "1"]
[White "Donchenko, Alexander"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2615"]
[BlackElo "2028"]
[PlyCount "83"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 0-0 5. Bg2 c5 6. a3 Bxd2+ 7. Qxd2 cxd4 8. Nf3 d5 9. cxd5 Nxd5 10. 0-0 Nc6 11. Nxd4 Qb6 12. Nxc6 bxc6 13. e4 Nf6 14. Qc2 Rd8 15. Be3 Qb5 16. Rfc1 Bd7 17. h3 a5 18. Bc5 Rab8 19. b4 Be8 20. Bf1 Qb7 21. bxa5 h5 22. a6 Qc7 23. a7 Ra8 24. Rab1 Rxa7 25. Bb6 Qe7 26. Bc5 Qc7 27. Bb6 Qe7 28. Bxd8 Qxd8 29. Rd1 Qc7 30. a4 h4 31. g4 Qf4 32. Rd8 g6 33. Rbb8 Kh7 34. Rxe8 Nxe8 35. Rxe8 Rd7 36. Qc3 f6 37. Qe3 Qe5 38. Ra8 c5 39. a5 Qc7 40. a6 Qc6 41. Rb8 c4 42. a7 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "7"]
[White "Hungaski, Robert Andrew"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2477"]
[BlackElo "2028"]
[PlyCount "53"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. h3 d5 2. e3 e5 3. d4 exd4 4. exd4 c5 5. Nf3 Nc6 6. Bb5 Nf6 7. 0-0 Be7 8. dxc5 0-0 9. Be3 Ne4 10. Nc3 Nxc3 11. bxc3 Be6 12. Bd4 Qa5 13. Rb1 Rab8 14. Re1 a6 15. Bd3 h6 16. Qc1 Bxc5 17. Qf4 Nxd4 18. cxd4 Be7 19. Rxe6 fxe6 20. Qe5 Kf7 21. Qf4+ Bf6 22. Ne5+ Kg8 23. Nd7 Qd8 24. Nxb8 Qxb8 25. Qg4 Qe8 26. Rxb7 Bg5 27. g3 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "9"]
[White "Kracht, Raphael"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2194"]
[BlackElo "2028"]
[PlyCount "137"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 Qe7 7. Nc3 c6 8. Nge2 b5 9. Bd3 0-0 10. Qc2 g6 11. h4 Na6 12. a3 b4 13. Ne4 bxa3 14. bxa3 c5 15. h5 cxd4 16. hxg6 hxg6 17. Nxd6 Qxd6 18. Bxg6 dxe3 19. Qe4 Rd8 20. Rh8+ Kg7 21. Rh7+ Kg8 22. Bxf7+ Kf8 23. Bd5 exf2+ 24. Kf1 Qe5 25. Rf7+ Ke8 26. Bc6+ Kxf7 27. Qxe5 fxe5 28. Bxa8 Bg4 29. Bb7 Nc5 30. Bc6 Rd2 31. Bb5 a6 32. Bc4+ Kf6 33. Kxf2 Ne4+ 34. Ke3 Bf5 35. Rf1 Rb2 36. Bd3 Nd6 37. g4 e4 38. Bxa6 Rb3+ 39. Kd4 Nb5+ 40. Bxb5 Rxb5 41. Rxf5+ Rxf5 42. gxf5 e3 43. Kxe3 Kxf5 44. Kd4 Ke6 45. Kc5 Kd7 46. Kb6 Kc8 47. Ka7 Kc7 48. a4 Kc6 49. a5 Kb5 50. a6 Kc6 51. Kb8 Kd5 52. a7 Ke4 53. a8Q+ Ke3 54. Nd4 Kxd4 55. Qa4+ Kc5 56. Kc7 Kd5 57. Qb4 Ke5 58. Qc4 Kf5 59. Qd4 Kg5 60. Qe4 Kf6 61. Qd5 Ke7 62. Qe5+ Kf7 63. Kd7 Kg6 64. Qf4 Kg7 65. Qf5 Kh6 66. Qg4 Kh7 67. Ke7 Kh6 68. Kf7 Kh7 69. Qh4# 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "6"]
[White "Skramstad, Oda Kofoed"]
[Black "Tkachenko, Erik"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1898"]
[BlackElo "2028"]
[PlyCount "58"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Nxc6 bxc6 8. Bd3 d5 9. exd5 exd5 10. a3 Bd6 11. 0-0 Ng4 12. h3 Nxe3 13. fxe3 Qg5 14. Qf3 0-0 15. Ne2 Bd7 16. Nd4 Rae8 17. Rae1 g6 18. b4 c5 19. bxc5 Bxc5 20. Kh1 Bxa3 21. e4 Bb4 22. Rb1 Bc5 23. Nb3 dxe4 24. Bxe4 Bd6 25. Rbd1 Qe5 26. g3 Bxh3 27. Rfe1 Qxg3 28. Qxg3 Bxg3 29. Rd3 Bxe1 0-1

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "2"]
[White "Tkachenko, Erik"]
[Black "Cramling Bellon, Anna"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2028"]
[BlackElo "2046"]
[PlyCount "80"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 Bg5 13. Nc2 0-0 14. h4 Bh6 15. a4 bxa4 16. Rxa4 a5 17. g3 Kh8 18. b4 f5 19. b5 Ne7 20. Nce3 fxe4 21. Bg2 Bb7 22. Bxe4 Bxe3 23. Nxe3 d5 24. Bg2 d4 25. cxd4 Bxg2 26. Nxg2 Qd5 27. 0-0 Qxb5 28. Re1 Nc6 29. dxe5 Nxe5 30. Nf4 Nf3+ 31. Qxf3 Qxa4 32. Re7 Qa1+ 33. Kg2 Qf6 34. Rb7 a4 35. Qa3 Qc6+ 36. Qf3 Qxf3+ 37. Kxf3 a3 38. Rb1 Rfb8 39. Ra1 a2 40. Nd3 Rb1 0-1

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "8"]
[White "Tkachenko, Erik"]
[Black "Eames, Robert"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2028"]
[BlackElo "2136"]
[PlyCount "97"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 h5 6. Nxc6 bxc6 7. e5 Ng4 8. Qd4 Qa5 9. f4 Rb8 10. Bd2 Rb4 11. Qd3 Qb6 12. Nd1 Rxb2 13. Nxb2 Qxb2 14. Bc3 Qb6 15. Qd4 c5 16. Qd2 Bb7 17. Bd3 c4 18. Bf5 e6 19. Rd1 Bc6 20. Be4 Bc5 21. Bxc6 Qxc6 22. Rb1 0-0 23. Qe2 Bf2+ 24. Kd1 Bc5 25. Kc1 Ba3+ 26. Bb2 Bc5 27. h3 Be3+ 28. Kd1 Nf2+ 29. Ke1 Nxh1 30. Qxe3 Qxg2 31. Bd4 Ng3 32. Qf2 Qe4+ 33. Kd2 Nf5 34. Kc1 c3 35. Bxc3 Rc8 36. Rb3 Qh1+ 37. Kb2 Qe4 38. Qxa7 Ne3 39. Qxd7 Rf8 40. Qd3 Qxd3 41. cxd3 Nd5 42. Bd2 Rd8 43. a4 Ne7 44. a5 Nc6 45. a6 Ra8 46. Rb6 Nd4 47. Be3 Nf5 48. Bc5 Ng3 49. a7 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "4"]
[White "Tkachenko, Erik"]
[Black "Onur, Cigdem"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2028"]
[BlackElo "1966"]
[PlyCount "81"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 0-0 13. a4 bxa4 14. Rxa4 a5 15. b4 Bd7 16. b5 Ne7 17. Nce3 Bxe3 18. Nxe3 f5 19. Qxd6 fxe4 20. Qxe5 Ng6 21. Qxe4 Qf6 22. Bc4+ Kh8 23. 0-0 Rae8 24. Qd4 Ne5 25. Be2 Qg6 26. Rxa5 Bf5 27. Ra6 Qf7 28. Ra7 Qg6 29. f4 Ng4 30. Bxg4 Bxg4 31. Nxg4 Qxg4 32. h3 Qg3 33. Qf2 Qg6 34. f5 Qf6 35. b6 Qxc3 36. b7 Rb8 37. Rfa1 Qc7 38. Qb2 h6 39. Ra8 Rxf5 40. Rxb8+ Qxb8 41. Ra8 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "5"]
[White "Tkachenko, Erik"]
[Black "Perez Rojas, Jorge"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2028"]
[BlackElo "2100"]
[PlyCount "73"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 c4 7. Bc2 b5 8. Ng5 g6 9. Qf3 Qe7 10. h4 h6 11. Nh3 Bg7 12. h5 g5 13. Qg3 f6 14. f4 fxe5 15. Bg6+ Kd8 16. fxe5 Kc7 17. Na3 a6 18. 0-0 Rf8 19. Bd2 Qd8 20. Rxf8 Bxf8 21. Nc2 Nge7 22. a4 Kb6 23. axb5 axb5 24. Bf7 Nf5 25. Qf2 Be7 26. Bg6 Rf8 27. Qe2 Be8 28. Bxe8 Qxe8 29. g4 Nh4 30. Rf1 Rxf1+ 31. Qxf1 Kc7 32. Kh2 Kb6 33. Kg3 Kc7 34. Ne3 Kb6 35. Nc2 Kc7 36. Bc1 Kb6 37. Bd2 1/2-1/2

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "3"]
[White "Van Dael, Siem"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2258"]
[BlackElo "2028"]
[PlyCount "75"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 d5 3. e4 dxe4 4. Nxe4 e6 5. Bb5+ Bd7 6. Qe2 Nf6 7. d4 Qa5+ 8. Nc3 cxd4 9. Nxd4 Bb4 10. Bd2 Qc7 11. 0-0 0-0 12. Bd3 a6 13. Ne4 Bxd2 14. Nxf6+ gxf6 15. Qxd2 Kg7 16. Rfe1 Nc6 17. Re3 Rh8 18. Rg3+ Kf8 19. Qh6+ Ke7 20. Rf3 Qe5 21. Nf5+ exf5 22. Re3 Rae8 23. Rxe5+ fxe5 24. f3 Kd8 25. a3 Kc7 26. b4 e4 27. fxe4 fxe4 28. Be2 f5 29. c4 Kb8 30. b5 axb5 31. cxb5 Nd4 32. Bh5 Re6 33. Qg7 Rc8 34. Qxd4 Bxb5 35. a4 Bc6 36. Be2 Rg6 37. a5 e3 38. g3 1-0

[Event "Titled Tuesday intern op 04th Feb Late"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "1"]
[White "Ilinca Ilinca, Felix Antonio"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2412"]
[BlackElo "2028"]
[PlyCount "69"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c5 3. e4 e6 4. exd5 exd5 5. Nf3 Nf6 6. Bg5 Nc6 7. Be2 Be6 8. 0-0 Be7 9. Re1 0-0 10. h3 Ne4 11. Bxe7 Qxe7 12. Bd3 Nxc3 13. bxc3 c4 14. Bf5 Qa3 15. Bxe6 fxe6 16. Qd2 Rf6 17. Re3 Raf8 18. Rae1 Qd6 19. Qe2 Nd8 20. Nd2 Rxf2 21. Qxf2 Rxf2 22. Kxf2 Qa3 23. Nf3 Qxa2 24. R1e2 a5 25. Ng5 a4 26. Nxe6 Nxe6 27. Rxe6 h6 28. Re8+ Kh7 29. Ra8 a3 30. h4 Qb2 31. h5 a2 32. Ree8 Qxc2+ 33. Kg3 Qxc3+ 34. Kh2 g5 35. Re7# 1-0

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "3"]
[White "Kollars, Dmitrij"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2641"]
[BlackElo "2028"]
[PlyCount "61"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. Nge2 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. 0-0 Bg4 12. Qd2 Bxe2 13. Nxe2 Nd7 14. Rae1 Rfe8 15. Bb1 g6 16. Nc3 f5 17. f3 Rad8 18. e4 dxe4 19. fxe4 f4 20. e5 Nf8 21. Qf2 Qd7 22. Rd1 Re7 23. Ne4 Ne6 24. Nd6 Rg7 25. Qh4 Nf8 26. Bxg6 Rxg6 27. Qxh5 Qg7 28. Kh1 Ne6 29. Nf5 Qh7 30. Ne7+ Qxe7 31. Qxg6+ 1-0

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "1"]
[White "Kramnik, Vladimir"]
[Black "Tkachenko, Erik"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2753"]
[BlackElo "2028"]
[PlyCount "78"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Nxc6 dxc6 8. e5 Nd7 9. Bf4 0-0 10. Qg4 f5 11. Qg3 Kh8 12. h4 Nb6 13. Bd3 Bd7 14. 0-0-0 Nd5 15. Nxd5 cxd5 16. Qf3 b5 17. g4 b4 18. axb4 Bxb4 19. gxf5 Qa5 20. Kb1 Rab8 21. f6 Bc3 22. Bc1 Qa3 23. fxg7+ Kxg7 24. Rhg1+ Kh8 25. Qxf8+ Qxf8 26. b3 a5 27. Rg5 Be8 28. Rdg1 a4 29. Ba3 Bb4 30. Bb2 axb3 31. cxb3 Bd2 32. Rg8+ Qxg8 33. Rxg8+ Kxg8 34. Kc2 Bb4 35. f4 Bg6 36. f5 Rc8+ 37. Kd1 Bxf5 38. Bxf5 exf5 39. Bd4 Kf7 0-1

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "2"]
[White "Tkachenko, Erik"]
[Black "Badacsonyi, Stanley Ethan Artie"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2028"]
[BlackElo "2298"]
[PlyCount "48"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. 0-0 Nxd4 9. Nbd2 Nxf3+ 10. Nxf3 Bb5 11. Be3 Qa6 12. Bxb5+ Qxb5 13. Nd4 Qd7 14. f4 Bc5 15. Rc1 Bb6 16. f5 Ne7 17. fxe6 fxe6 18. Qg4 Nc6 19. Kh1 0-0-0 20. Nxc6 bxc6 21. Rxc6+ Qxc6 22. Rc1 Qxc1+ 23. Bxc1 Rhe8 24. Qxg7 Rf8 0-1

[Event "Titled Tuesday intern op 03rd Sep Early"]
[Site "Chess.com INT"]
[Date "2024.09.03"]
[Round "4"]
[White "Palacio, Igor Da Paz"]
[Black "Tkachenko, Erik"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "2172"]
[BlackElo "2028"]
[PlyCount "70"]
[EventDate "2024.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 b6 6. Bd3 Bb7 7. 0-0 d6 8. Qc2 Nbd7 9. Ne2 d5 10. Ng3 Bd6 11. b3 c5 12. Bb2 Rc8 13. Qe2 Re8 14. Rfd1 Qe7 15. Rac1 e5 16. Nf5 Qf8 17. Nxd6 Qxd6 18. dxe5 Nxe5 19. Nxe5 Rxe5 20. Bxe5 Qxe5 21. f3 Re8 22. Re1 d4 23. exd4 Qxd4+ 24. Qf2 Qxd3 25. Rxe8+ Nxe8 26. Qe1 Qd4+ 27. Kh1 Kf8 28. Rd1 Qf6 29. Qg3 g6 30. Qb8 Bxf3 31. Re1 Bc6 32. Qxa7 Kg7 33. Qe7 Qf2 34. Qe5+ Nf6 35. Qe2 Bxg2# 0-1

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "6"]
[White "Gauri, Shankar"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2367"]
[BlackElo "2028"]
[PlyCount "103"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Nbd2 0-0 6. Bg2 dxc4 7. 0-0 c3 8. bxc3 Bxc3 9. Rb1 Nc6 10. e3 Nd5 11. Ne4 Bb4 12. Qc2 f5 13. Nc5 Qe7 14. Nd3 Bd6 15. Bd2 a5 16. Qc4 Ra6 17. Rfc1 Rb6 18. Nfe5 Rxb1 19. Rxb1 Bxe5 20. dxe5 Rd8 21. f4 Ndb4 22. Nxb4 axb4 23. Be1 Na5 24. Qxb4 Qxb4 25. Bxb4 Nc4 26. Kf2 b6 27. Rc1 Ba6 28. Bf1 b5 29. a4 c6 30. axb5 cxb5 31. Ra1 Ra8 32. Bg2 Ra7 33. Bc5 Rc7 34. Bd6 Ra7 35. Bb8 Rd7 36. Rxa6 Rd2+ 37. Kg1 Nxe3 38. Bc6 b4 39. Ba7 Rd1+ 40. Kf2 Ng4+ 41. Ke2 Rb1 42. Ba4 Rb2+ 43. Kd3 Nxh2 44. Kc4 h5 45. Rxe6 Nf1 46. Re8+ Kh7 47. e6 Ra2 48. Kb3 Re2 49. Bb5 Re3+ 50. Kxb4 Nxg3 51. e7 Ne2 52. Bxe3 1-0

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "4"]
[White "Khodko, Yurii N"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2249"]
[BlackElo "2028"]
[PlyCount "127"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nf6 4. Qe2 Nc6 5. Bg2 Be7 6. d3 0-0 7. 0-0 d6 8. c3 b5 9. h3 Bb7 10. Be3 a5 11. Nbd2 a4 12. a3 Nd7 13. Ne1 f5 14. f4 g6 15. Nef3 Bf6 16. g4 Qe7 17. d4 fxe4 18. Nxe4 Bg7 19. dxc5 Nxc5 20. Nxc5 dxc5 21. Qxb5 Rfc8 22. Qxc5 Qxc5 23. Bxc5 Na5 24. Bd4 Nc4 25. Bxg7 Kxg7 26. Rf2 Rd8 27. Nd4 Bxg2 28. Nxe6+ Kf6 29. Nxd8 Bd5 30. Rd1 Rxd8 31. Rd4 Nb6 32. Rfd2 Rd7 33. c4 Be6 34. c5 Nd5 35. c6 Rc7 36. Rxd5 Bxd5 37. Rxd5 Rxc6 38. Rd2 Rb6 39. Kg2 Rb3 40. Rf2 Ke6 41. f5+ gxf5 42. gxf5+ Kf6 43. h4 h5 44. Kf1 Rh3 45. Rf4 Rh1+ 46. Kg2 Rb1 47. Rf2 Rc1 48. Kg3 Rc4 49. Rf4 Rc2 50. Rb4 Kxf5 51. Kf3 Rh2 52. Ke3 Rh3+ 53. Kd2 Rh2+ 54. Kc3 Rh3+ 55. Kc2 Rh2+ 56. Kb1 Rh1+ 57. Ka2 Rg1 58. Rxa4 Rg4 59. Ra5+ Kg6 60. Ra8 Rxh4 61. a4 Rf4 62. Ka3 h4 63. a5 Rf7 64. Rh8 1-0

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "3"]
[White "Saveliev, Alexei"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2348"]
[BlackElo "2028"]
[PlyCount "49"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. e3 Nf6 4. d4 cxd4 5. exd4 d5 6. cxd5 exd5 7. Nf3 Nc6 8. Bg5 Be7 9. h3 Qa5 10. Bd3 h6 11. Be3 0-0 12. 0-0 Be6 13. a3 Rfe8 14. Qd2 Qc7 15. Rac1 Qd7 16. Ne5 Nxe5 17. dxe5 Nh7 18. Bb5 Qd8 19. Bxe8 Qxe8 20. Nxd5 Rd8 21. Nxe7+ Qxe7 22. Qb4 Qxb4 23. axb4 a6 24. Rfd1 Re8 25. Rc7 1-0

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "5"]
[White "Tkachenko, Erik"]
[Black "Al Blooshi, Hamad Essa"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2028"]
[BlackElo "2078"]
[PlyCount "62"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. h3 Bb6 7. a4 a5 8. Bb3 0-0 9. 0-0 Ne7 10. Be3 Bxe3 11. fxe3 Ng6 12. Nbd2 c6 13. d4 Qe7 14. Qe2 d5 15. exd5 Nxd5 16. Rae1 exd4 17. exd4 Qxe2 18. Rxe2 Bd7 19. Ng5 Ngf4 20. Ref2 h6 21. Nxf7 Rxf7 22. Bxd5 cxd5 23. Rxf4 Rxf4 24. Rxf4 Bxa4 25. Rf5 Bc6 26. Re5 Re8 27. Nf3 Kf7 28. Kf2 Rxe5 29. Nxe5+ Ke6 30. Nxc6 bxc6 31. g4 g5 1/2-1/2

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "7"]
[White "Tkachenko, Erik"]
[Black "Arnold, Ken"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2028"]
[PlyCount "104"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h5 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Ngf6 10. Bg5 g6 11. Qb3 Qb6 12. c4 Bg7 13. 0-0-0 Qxb3 14. axb3 0-0 15. Rhe1 e6 16. Nd2 a5 17. Nde4 a4 18. Kc2 b5 19. Nxf6+ Nxf6 20. Ne4 axb3+ 21. Kxb3 bxc4+ 22. Kxc4 Nxe4 23. Rxe4 Rfb8 24. b4 Bf8 25. Rb1 Ra4 26. Bd2 Ra2 27. Re2 Bh6 28. Kd3 Bg7 29. Bc3 Ra4 30. Reb2 Rb5 31. Kc4 Bf6 32. Kb3 Ra7 33. Ra2 Rab7 34. Kc4 Be7 35. Ra8+ Kh7 36. Rc8 Bxh4 37. g3 Bf6 38. Rxc6 Rf5 39. f4 h4 40. gxh4 Rxf4 41. b5 Rxh4 42. b6 Bd8 43. Kb5 Rh5+ 44. Ka6 Rb8 45. Ka7 Rxb6 46. Rcxb6 Bxb6+ 47. Kxb6 Rd5 48. Kc6 g5 49. Rg1 Kg6 50. Bd2 f6 51. Re1 Rxd4 52. Bc3 Rc4+ 0-1

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "1"]
[White "Tkachenko, Erik"]
[Black "Ibarra Jerez, Jose Carlos"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2028"]
[BlackElo "2559"]
[PlyCount "47"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Bb4 7. Bd3 Nge7 8. 0-0 0-0 9. Qh5 f5 10. Bg5 h6 11. exf5 exf5 12. Bc4+ Kh7 13. Nd5 Bd6 14. Nf6+ Rxf6 15. Bxf6 Qf8 16. Bc3 Ng6 17. Bd3 Nce7 18. Nd4 Nf4 19. Nxf5 g6 20. Nxe7 Bxe7 21. Qf3 d6 22. Rfe1 Bg5 23. Qe4 Bf5 24. Qxb7+ 1-0

[Event "Titled Tuesday intern op 27th Aug Late"]
[Site "Chess.com INT"]
[Date "2024.08.27"]
[Round "2"]
[White "Tkachenko, Erik"]
[Black "Thavandiran, Shiyam"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2028"]
[BlackElo "2388"]
[PlyCount "55"]
[EventDate "2024.08.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Nb4 8. Be2 Rc8 9. Nc3 a6 10. h4 h6 11. 0-0 Ne7 12. g4 h5 13. Bg5 hxg4 14. Nh2 Qb6 15. Bxg4 Ng6 16. Bh5 Nxh4 17. Bxh4 g6 18. Ng4 Be7 19. Bxe7 Kxe7 20. Nf6 gxh5 21. a3 Nc6 22. Ncxd5+ exd5 23. Nxd5+ Ke6 24. Nxb6 Rcg8+ 25. Kh2 Rg4 26. d5+ Ke7 27. Nxd7 Rhg8 28. Qxg4 1-0

[Event "US op 124th"]
[Site "Norfolk"]
[Date "2024.08.02"]
[Round "7"]
[White "Akobian, Varuzhan"]
[Black "Tkachenko, Erik"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2564"]
[BlackElo "2029"]
[PlyCount "59"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. cxd5 exd5 6. Qa4+ Nc6 7. Bg5 h6 8. Bxf6 Qxf6 9. e3 0-0 10. Be2 Be6 11. 0-0 Rfd8 12. Rfc1 Bd6 13. Nb5 Qe7 14. a3 Nb8 15. Nxd6 Qxd6 16. Qb3 b6 17. Qc3 Rc8 18. b4 a5 19. b5 c5 20. bxc6 Nxc6 21. Qb2 Rcb8 22. Rc3 a4 23. Bb5 Na5 24. Nd2 Ra7 25. Bxa4 b5 26. Bxb5 Qa6 27. Rb1 Rab7 28. a4 Bf5 29. Qa3 Nc4 30. Bxa6 1-0

[Event "US op 124th"]
[Site "Norfolk"]
[Date "2024.07.31"]
[Round "5"]
[White "Tkachenko, Erik"]
[Black "Proleiko, Julian"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2029"]
[BlackElo "2232"]
[PlyCount "90"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Be2 Be7 6. 0-0 0-0 7. h3 c6 8. Be3 b5 9. d5 b4 10. Nb1 Bb7 11. c4 Nxe4 12. Qa4 c5 13. Qc2 Ng5 14. Ne1 f5 15. f3 g6 16. Nd3 f4 17. Bd2 Nf6 18. Be1 Nh5 19. Nd2 Bc8 20. a3 Bf5 21. axb4 cxb4 22. Ne4 Nxe4 23. fxe4 Bxe4 24. Bxh5 gxh5 25. Qe2 Bxd3 26. Qxd3 a5 27. b3 Bf6 28. Ra4 Qe8 29. Qe4 Qg6 30. Qe2 Bg7 31. Kh1 e4 32. Ra2 Bd4 33. Qd1 Bc5 34. Bf2 e3 35. Bg1 a4 36. bxa4 Rab8 37. Bh2 b3 38. Rb2 Ba3 39. Rb1 b2 40. Qe2 Rb3 41. Qe1 Qe4 42. Qh4 Rc3 43. Qg5+ Qg6 44. Bxf4 Qxg5 45. Bxg5 Rxf1+ 0-1

[Event "US op 124th"]
[Site "Norfolk"]
[Date "2024.07.29"]
[Round "3"]
[White "Denby, Caleb Sean"]
[Black "Tkachenko, Erik"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2091"]
[BlackElo "2029"]
[PlyCount "108"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 Nc6 6. Bg2 0-0 7. 0-0 Re8 8. Qc2 Bf8 9. Rd1 Bd7 10. a3 a5 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 a4 14. Bf4 Na5 15. Ne5 Bc8 16. Bf1 f6 17. Nf3 Bd7 18. Bd3 g6 19. Be3 Bc6 20. Qg4 Nb3 21. Rab1 f5 22. Qf4 Bh6 23. Qxh6 Bxf3 24. Re1 Nxd4 25. Bg5 Qd7 26. Bf6 Rf8 27. Qh4 Rxf6 28. Qxf6 Bc6 29. Be2 Bf3 30. Bd3 c5 31. Re3 Rf8 32. Qe5 Qc6 33. Bf1 Be4 34. Rd1 Rd8 35. Qf4 e5 36. Qxe5 Nf3+ 37. Rxf3 Rxd1 38. Re3 Bg2 39. Re1 Bxf1 40. Rxf1 Qd6 41. Qe8+ Kg7 42. Qxa4 Rxf1+ 43. Kxf1 Qd3+ 44. Ke1 Qe4+ 45. Kd2 Qd4+ 46. Kc1 Qxf2 47. Qd7+ Kf6 48. Qd6+ Kf7 49. Qd5+ Kf6 50. Qd6+ Kf7 51. Qc7+ Kf6 52. Qxh7 Qe1+ 53. Kc2 Qe2+ 54. Kc3 Qe3+ 1/2-1/2

[Event "US op 124th"]
[Site "Norfolk"]
[Date "2024.07.27"]
[Round "1"]
[White "Tkachenko, Erik"]
[Black "Vaibhav, Kalpaka"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2029"]
[BlackElo "2073"]
[PlyCount "71"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. h3 a5 7. Nbd2 0-0 8. 0-0 Be6 9. Re1 Nh5 10. d4 exd4 11. cxd4 Bxd4 12. Bxe6 fxe6 13. Nxd4 Nxd4 14. Nf1 e5 15. Qxh5 Nc2 16. Bg5 Qe8 17. Qxe8 Raxe8 18. f3 Re6 19. Ne3 Nxa1 20. Rxa1 Rg6 21. Bh4 Rxf3 22. Nd5 Kf7 23. Ne7 Rh6 24. gxf3 Rxh4 25. Nf5 Rxh3 26. Kg2 Rh5 27. Rc1 Rg5+ 28. Kf2 d5 29. Rxc7+ Kf6 30. Ng3 d4 31. Rxb7 h5 32. Nf5 Rg6 33. b3 Kg5 34. Rxg7 Rxg7 35. Nxg7 h4 36. Ne6+ 1-0

