[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.31"]
[Round "9"]
[White "Yoon, Jacob D"]
[Black "Skettos, Nicolas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2250"]
[BlackElo "1961"]
[PlyCount "68"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 bxa3 6. d4 Nc6 7. c3 Bd7 8. Bd3 b5 9. Bxb5 Nxe5 10. Nxe5 Bxb5 11. Nxa3 Bxa3 12. Bxa3 Ne7 13. Nd3 0-0 14. 0-0 Re8 15. Re1 Bxd3 16. Qxd3 Qc7 17. Bc5 a5 18. h4 Nf5 19. h5 h6 20. g4 Nd6 21. Qg3 Nb5 22. Qe3 Nd6 23. Qe5 Nb5 24. Qxc7 Nxc7 25. Reb1 Reb8 26. Rxb8+ Rxb8 27. Rxa5 Nb5 28. f3 Nxc3 29. Ra7 Nb5 30. Rd7 Ra8 31. Rb7 Na3 32. Kf2 Nc4 33. Kg3 Rc8 34. Rd7 Rb8 1/2-1/2

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.31"]
[Round "9"]
[White "Yoon, Jacob D"]
[Black "Skettos, Nicolas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2250"]
[BlackElo "1961"]
[PlyCount "68"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 bxa3 6. d4 Nc6 7. c3 Bd7 8. Bd3 b5 9. Bxb5 Nxe5 10. Nxe5 Bxb5 11. Nxa3 Bxa3 12. Bxa3 Ne7 13. Nd3 0-0 14. 0-0 Re8 15. Re1 Bxd3 16. Qxd3 Qc7 17. Bc5 a5 18. h4 Nf5 19. h5 h6 20. g4 Nd6 21. Qg3 Nb5 22. Qe3 Nd6 23. Qe5 Nb5 24. Qxc7 Nxc7 25. Reb1 Reb8 26. Rxb8+ Rxb8 27. Rxa5 Nb5 28. f3 Nxc3 29. Ra7 Nb5 30. Rd7 Ra8 31. Rb7 Na3 32. Kf2 Nc4 33. Kg3 Rc8 34. Rd7 Rb8 1/2-1/2

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.30"]
[Round "7"]
[White "Shearsby, Jude"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2133"]
[BlackElo "2250"]
[PlyCount "81"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 b5 2. cxb5 a6 3. e4 Bb7 4. Nc3 g6 5. d4 Bg7 6. Nf3 e6 7. Be3 Ne7 8. Qd2 d5 9. e5 h6 10. bxa6 Nxa6 11. a3 Nf5 12. Bd3 Nb4 13. Be2 c5 14. Bb5+ Kf8 15. 0-0 Nxe3 16. fxe3 Nc6 17. Bxc6 Bxc6 18. dxc5 Kg8 19. b4 g5 20. b5 g4 21. Nd4 Be8 22. Qf2 Qc7 23. c6 Bxe5 24. Qh4 Kh7 25. a4 Rg8 26. Nce2 Rg5 27. Nf4 Qa5 28. Qe1 Qd8 29. Qb1+ Kg8 30. Ra2 Bc7 31. Kh1 Re5 32. Qe1 Re4 33. Qf2 Qg5 34. Rb2 Bb6 35. a5 Bxd4 36. exd4 Rxa5 37. c7 Bd7 38. b6 Rxf4 39. b7 Rxf2 40. b8Q+ Kg7 41. Rbxf2 1-0

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.30"]
[Round "7"]
[White "Shearsby, Jude"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2133"]
[BlackElo "2250"]
[PlyCount "81"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 b5 2. cxb5 a6 3. e4 Bb7 4. Nc3 g6 5. d4 Bg7 6. Nf3 e6 7. Be3 Ne7 8. Qd2 d5 9. e5 h6 10. bxa6 Nxa6 11. a3 Nf5 12. Bd3 Nb4 13. Be2 c5 14. Bb5+ Kf8 15. 0-0 Nxe3 16. fxe3 Nc6 17. Bxc6 Bxc6 18. dxc5 Kg8 19. b4 g5 20. b5 g4 21. Nd4 Be8 22. Qf2 Qc7 23. c6 Bxe5 24. Qh4 Kh7 25. a4 Rg8 26. Nce2 Rg5 27. Nf4 Qa5 28. Qe1 Qd8 29. Qb1+ Kg8 30. Ra2 Bc7 31. Kh1 Re5 32. Qe1 Re4 33. Qf2 Qg5 34. Rb2 Bb6 35. a5 Bxd4 36. exd4 Rxa5 37. c7 Bd7 38. b6 Rxf4 39. b7 Rxf2 40. b8Q+ Kg7 41. Rbxf2 1-0

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.30"]
[Round "8"]
[White "Yoon, Jacob D"]
[Black "Yu, Rock"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2250"]
[BlackElo "2048"]
[PlyCount "53"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Bd2 f5 9. Ne5 Bf6 10. Nxe4 fxe4 11. Qc2 d5 12. cxd5 Bxe5 13. dxe5 exd5 14. b4 Nc6 15. Bc3 Qe7 16. Qb2 Rfe8 17. Rac1 Nxe5 18. Bxe5 Qxe5 19. Qxe5 Rxe5 20. Rxc7 Ba6 21. Re1 Bc4 22. f3 exf3 23. Bxf3 Rf8 24. Kg2 Rf7 25. Rc8+ Rf8 26. Rc7 Rf7 27. Rc8+ 1/2-1/2

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.30"]
[Round "8"]
[White "Yoon, Jacob D"]
[Black "Yu, Rock"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2250"]
[BlackElo "2048"]
[PlyCount "53"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Bd2 f5 9. Ne5 Bf6 10. Nxe4 fxe4 11. Qc2 d5 12. cxd5 Bxe5 13. dxe5 exd5 14. b4 Nc6 15. Bc3 Qe7 16. Qb2 Rfe8 17. Rac1 Nxe5 18. Bxe5 Qxe5 19. Qxe5 Rxe5 20. Rxc7 Ba6 21. Re1 Bc4 22. f3 exf3 23. Bxf3 Rf8 24. Kg2 Rf7 25. Rc8+ Rf8 26. Rc7 Rf7 27. Rc8+ 1/2-1/2

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.29"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2250"]
[BlackElo "2495"]
[PlyCount "88"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. Nf3 e6 4. g3 Nf6 5. Bg2 Nbd7 6. 0-0 h6 7. d3 Be7 8. Nbd2 0-0 9. c4 c6 10. Ne5 Nxe5 11. Bxe5 Bh7 12. Qc2 a5 13. a3 Nd7 14. Bc3 Re8 15. Qb2 Bf8 16. b4 Nb6 17. Qb3 Na4 18. Nf3 Nxc3 19. Qxc3 Qe7 20. c5 g5 21. d4 Bg7 22. e3 f6 23. Nd2 g4 24. bxa5 e5 25. Rfc1 f5 26. Nb3 f4 27. exf4 exd4 28. Nxd4 Qc7 29. Rd1 Qxa5 30. Qc1 Qa4 31. Qc3 Qa5 32. Qc1 Qa4 33. Qc3 Re7 34. h3 gxh3 35. Bf3 Be4 36. Bg4 Bg2 37. Bf5 Rae8 38. g4 Re4 39. Bxe4 Rxe4 40. Rab1 Bxd4 41. Qg3 Qc2 42. g5 h5 43. f5 Be5 44. Qb3 Rg4 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.29"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2250"]
[BlackElo "2495"]
[PlyCount "88"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. Nf3 e6 4. g3 Nf6 5. Bg2 Nbd7 6. 0-0 h6 7. d3 Be7 8. Nbd2 0-0 9. c4 c6 10. Ne5 Nxe5 11. Bxe5 Bh7 12. Qc2 a5 13. a3 Nd7 14. Bc3 Re8 15. Qb2 Bf8 16. b4 Nb6 17. Qb3 Na4 18. Nf3 Nxc3 19. Qxc3 Qe7 20. c5 g5 21. d4 Bg7 22. e3 f6 23. Nd2 g4 24. bxa5 e5 25. Rfc1 f5 26. Nb3 f4 27. exf4 exd4 28. Nxd4 Qc7 29. Rd1 Qxa5 30. Qc1 Qa4 31. Qc3 Qa5 32. Qc1 Qa4 33. Qc3 Re7 34. h3 gxh3 35. Bf3 Be4 36. Bg4 Bg2 37. Bf5 Rae8 38. g4 Re4 39. Bxe4 Rxe4 40. Rab1 Bxd4 41. Qg3 Qc2 42. g5 h5 43. f5 Be5 44. Qb3 Rg4 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.28"]
[Round "5"]
[White "Iyengar, Ilya"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1979"]
[BlackElo "2250"]
[PlyCount "80"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 b4 5. Bf4 e6 6. Qc2 exd5 7. cxd5 Bb7 8. e4 Qe7 9. Be5 Nxd5 10. exd5 Bxd5 11. Qe2 Bxf3 12. gxf3 Nc6 13. Bg3 Nd4 14. Qxe7+ Bxe7 15. Kd1 d5 16. Nd2 0-0 17. Rc1 c4 18. Rg1 Nc6 19. Bh3 f5 20. Bf4 g6 21. Re1 Kf7 22. Bf1 Rfd8 23. Kc2 g5 24. Be5 Rac8 25. f4 gxf4 26. Bh3 Bf6 27. Nf3 Bxe5 28. Nxe5+ Kf6 29. Nxc6 Rxc6 30. Bg2 Rc5 31. b3 Ra5 32. Ra1 Ra3 33. Kb2 f3 34. Bxf3 d4 35. Be2 d3 36. Bf1 c3+ 37. Kb1 c2+ 38. Kb2 d2 39. Kxc2 dxe1N+ 40. Rxe1 Rxa2+ 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.28"]
[Round "5"]
[White "Iyengar, Ilya"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1979"]
[BlackElo "2250"]
[PlyCount "80"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 b4 5. Bf4 e6 6. Qc2 exd5 7. cxd5 Bb7 8. e4 Qe7 9. Be5 Nxd5 10. exd5 Bxd5 11. Qe2 Bxf3 12. gxf3 Nc6 13. Bg3 Nd4 14. Qxe7+ Bxe7 15. Kd1 d5 16. Nd2 0-0 17. Rc1 c4 18. Rg1 Nc6 19. Bh3 f5 20. Bf4 g6 21. Re1 Kf7 22. Bf1 Rfd8 23. Kc2 g5 24. Be5 Rac8 25. f4 gxf4 26. Bh3 Bf6 27. Nf3 Bxe5 28. Nxe5+ Kf6 29. Nxc6 Rxc6 30. Bg2 Rc5 31. b3 Ra5 32. Ra1 Ra3 33. Kb2 f3 34. Bxf3 d4 35. Be2 d3 36. Bf1 c3+ 37. Kb1 c2+ 38. Kb2 d2 39. Kxc2 dxe1N+ 40. Rxe1 Rxa2+ 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.28"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Hindol, Ghosh"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "1669"]
[PlyCount "99"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 d5 4. e3 c5 5. c4 Nc6 6. Be2 d4 7. exd4 cxd4 8. d3 Bc5 9. 0-0 0-0 10. Nbd2 e5 11. a3 a5 12. Ng5 Bf5 13. f3 Bg6 14. Nge4 Nxe4 15. fxe4 f5 16. Bf3 Qg5 17. exf5 Bxf5 18. Bd5+ Kh8 19. Be4 Bxe4 20. Nxe4 Rxf1+ 21. Qxf1 Qe7 22. Qe2 Rf8 23. Bc1 Bb6 24. Bg5 Qf7 25. Bd2 Qe7 26. c5 Bc7 27. b4 axb4 28. axb4 h6 29. Rf1 Nd8 30. Rxf8+ Qxf8 31. Qg4 Qf7 32. Qc8 Kh7 33. b5 b6 34. c6 Ne6 35. h3 Qe7 36. Bb4 Qf7 37. Qd7 Qf5 38. Bd2 Bd8 39. Nd6 Qg6 40. Nf7 Qxd3 41. Qxe6 Qxd2 42. Qf5+ g6 43. Qxe5 Qc1+ 44. Kh2 g5 45. Nxd8 d3 46. Qe7+ Kg8 47. Qe6+ Kg7 48. Qf7+ Kh8 49. Qf6+ Kh7 50. Ne6 1-0

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.28"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Hindol, Ghosh"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "1669"]
[PlyCount "99"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 d5 4. e3 c5 5. c4 Nc6 6. Be2 d4 7. exd4 cxd4 8. d3 Bc5 9. 0-0 0-0 10. Nbd2 e5 11. a3 a5 12. Ng5 Bf5 13. f3 Bg6 14. Nge4 Nxe4 15. fxe4 f5 16. Bf3 Qg5 17. exf5 Bxf5 18. Bd5+ Kh8 19. Be4 Bxe4 20. Nxe4 Rxf1+ 21. Qxf1 Qe7 22. Qe2 Rf8 23. Bc1 Bb6 24. Bg5 Qf7 25. Bd2 Qe7 26. c5 Bc7 27. b4 axb4 28. axb4 h6 29. Rf1 Nd8 30. Rxf8+ Qxf8 31. Qg4 Qf7 32. Qc8 Kh7 33. b5 b6 34. c6 Ne6 35. h3 Qe7 36. Bb4 Qf7 37. Qd7 Qf5 38. Bd2 Bd8 39. Nd6 Qg6 40. Nf7 Qxd3 41. Qxe6 Qxd2 42. Qf5+ g6 43. Qxe5 Qc1+ 44. Kh2 g5 45. Nxd8 d3 46. Qe7+ Kg8 47. Qe6+ Kg7 48. Qf7+ Kh8 49. Qf6+ Kh7 50. Ne6 1-0

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.27"]
[Round "3"]
[White "Cole, James"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1972"]
[BlackElo "2250"]
[PlyCount "112"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 f5 5. Bd3 Nf6 6. 0-0 Bd6 7. b3 Qe7 8. Bb2 Nbd7 9. Qc1 b6 10. cxd5 cxd5 11. Ba3 Bb7 12. Bxd6 Qxd6 13. Qa3 Qxa3 14. Nxa3 Ke7 15. Rac1 Rhc8 16. Nb1 Ne4 17. Rfd1 Kf6 18. Bb5 Nf8 19. Ne5 Nd6 20. Bd3 Ng6 21. Nxg6 Kxg6 22. f3 a6 23. Nc3 Bc6 24. Kf2 b5 25. g4 Kf7 26. gxf5 exf5 27. Ne2 b4 28. Rc5 Nb7 29. Rc2 Nd6 30. Rdc1 Bd7 31. Rc7 Ke8 32. Nf4 Rxc7 33. Rxc7 Rc8 34. Rxc8+ Bxc8 35. Nxd5 a5 36. Nb6 Be6 37. e4 Kd8 38. d5 fxe4 39. fxe4 Kc7 40. Na4 Bd7 41. e5 Nb7 42. d6+ Kd8 43. Nb6 Be6 44. Bxh7 Nc5 45. Bc2 a4 46. Ke3 axb3 47. axb3 Nxb3 48. Na4 Na5 49. Nc5 Bg8 50. Bf5 b3 51. Kd3 g6 52. Bxg6 Nc6 53. Ke4 b2 54. Kf4 Ba2 55. e6 b1Q 56. Bxb1 Bxb1 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.27"]
[Round "3"]
[White "Cole, James"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1972"]
[BlackElo "2250"]
[PlyCount "112"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 f5 5. Bd3 Nf6 6. 0-0 Bd6 7. b3 Qe7 8. Bb2 Nbd7 9. Qc1 b6 10. cxd5 cxd5 11. Ba3 Bb7 12. Bxd6 Qxd6 13. Qa3 Qxa3 14. Nxa3 Ke7 15. Rac1 Rhc8 16. Nb1 Ne4 17. Rfd1 Kf6 18. Bb5 Nf8 19. Ne5 Nd6 20. Bd3 Ng6 21. Nxg6 Kxg6 22. f3 a6 23. Nc3 Bc6 24. Kf2 b5 25. g4 Kf7 26. gxf5 exf5 27. Ne2 b4 28. Rc5 Nb7 29. Rc2 Nd6 30. Rdc1 Bd7 31. Rc7 Ke8 32. Nf4 Rxc7 33. Rxc7 Rc8 34. Rxc8+ Bxc8 35. Nxd5 a5 36. Nb6 Be6 37. e4 Kd8 38. d5 fxe4 39. fxe4 Kc7 40. Na4 Bd7 41. e5 Nb7 42. d6+ Kd8 43. Nb6 Be6 44. Bxh7 Nc5 45. Bc2 a4 46. Ke3 axb3 47. axb3 Nxb3 48. Na4 Na5 49. Nc5 Bg8 50. Bf5 b3 51. Kd3 g6 52. Bxg6 Nc6 53. Ke4 b2 54. Kf4 Ba2 55. e6 b1Q 56. Bxb1 Bxb1 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.26"]
[Round "1"]
[White "Kothari, Jai"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2007"]
[BlackElo "2250"]
[PlyCount "69"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 exd5 5. c3 Nc6 6. Nf3 cxd4 7. cxd4 Bd6 8. 0-0 Nge7 9. h3 h6 10. a3 0-0 11. Nc3 Bc7 12. b4 Be6 13. Ne2 Nf5 14. b5 Nce7 15. Bf4 Bb6 16. Rc1 Ng6 17. Bb1 Nxf4 18. Nxf4 Qd6 19. Qd2 Bc7 20. Ne5 Nxd4 21. Qxd4 Qxe5 22. Qxe5 Bxe5 23. Nxe6 fxe6 24. Rce1 Bb2 25. Rxe6 Rad8 26. a4 Rf4 27. Re7 Rf7 28. Rfe1 Kf8 29. R7e6 Bd4 30. R1e2 Bc5 31. Bg6 Re7 32. Kf1 Rxe6 33. Rxe6 Be7 34. Ke2 Rd6 35. Rxd6 1/2-1/2

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.26"]
[Round "1"]
[White "Kothari, Jai"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2007"]
[BlackElo "2250"]
[PlyCount "69"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 exd5 5. c3 Nc6 6. Nf3 cxd4 7. cxd4 Bd6 8. 0-0 Nge7 9. h3 h6 10. a3 0-0 11. Nc3 Bc7 12. b4 Be6 13. Ne2 Nf5 14. b5 Nce7 15. Bf4 Bb6 16. Rc1 Ng6 17. Bb1 Nxf4 18. Nxf4 Qd6 19. Qd2 Bc7 20. Ne5 Nxd4 21. Qxd4 Qxe5 22. Qxe5 Bxe5 23. Nxe6 fxe6 24. Rce1 Bb2 25. Rxe6 Rad8 26. a4 Rf4 27. Re7 Rf7 28. Rfe1 Kf8 29. R7e6 Bd4 30. R1e2 Bc5 31. Bg6 Re7 32. Kf1 Rxe6 33. Rxe6 Be7 34. Ke2 Rd6 35. Rxd6 1/2-1/2

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.26"]
[Round "2"]
[White "Yoon, Jacob D"]
[Black "Nawalaniec, Adam"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2250"]
[BlackElo "2211"]
[PlyCount "82"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. Ne5 cxd4 11. exd4 Bb4+ 12. Kf1 Nd7 13. Nc6 Qf6 14. Nxb4 Qxf4 15. Nxd5 Qd6 16. Ne3 Nf6 17. Qf3 Be6 18. Rd1 Bxa2 19. Nf5 Qc7 20. Qe3 Nd5 21. Qg5 f6 22. Qh4 Bc4 23. Qg4 g6 24. Ne3 Bxd3+ 25. Rxd3 Qc1+ 26. Qd1 Nxe3+ 27. fxe3 Rac8 28. Kf2 Rc2+ 29. Kg3 Qxb2 30. Qf3 Qb5 31. Rhd1 Qg5+ 32. Kh3 f5 33. Qd5+ Rf7 34. Qf3 Rf2 35. Qg3 Qh5+ 36. Qh4 Qxh4+ 37. Kxh4 Rxg2 38. Kh3 Rg4 39. Ra1 g5 40. Rf1 Rf6 41. Rxf5 Rh4+ 0-1

[Event "Cambridge op 3rd"]
[Site "Cambridge"]
[Date "2025.05.26"]
[Round "2"]
[White "Yoon, Jacob D"]
[Black "Nawalaniec, Adam"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2250"]
[BlackElo "2211"]
[PlyCount "82"]
[EventDate "2025.05.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. Ne5 cxd4 11. exd4 Bb4+ 12. Kf1 Nd7 13. Nc6 Qf6 14. Nxb4 Qxf4 15. Nxd5 Qd6 16. Ne3 Nf6 17. Qf3 Be6 18. Rd1 Bxa2 19. Nf5 Qc7 20. Qe3 Nd5 21. Qg5 f6 22. Qh4 Bc4 23. Qg4 g6 24. Ne3 Bxd3+ 25. Rxd3 Qc1+ 26. Qd1 Nxe3+ 27. fxe3 Rac8 28. Kf2 Rc2+ 29. Kg3 Qxb2 30. Qf3 Qb5 31. Rhd1 Qg5+ 32. Kh3 f5 33. Qd5+ Rf7 34. Qf3 Rf2 35. Qg3 Qh5+ 36. Qh4 Qxh4+ 37. Kxh4 Rxg2 38. Kh3 Rg4 39. Ra1 g5 40. Rf1 Rf6 41. Rxf5 Rh4+ 0-1

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.02"]
[Round "7"]
[White "Bellano, Harry"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1654"]
[BlackElo "2251"]
[PlyCount "124"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Nh3 Ne7 6. Bg5 h6 7. Bh4 Qa5 8. Qd2 0-0 9. a3 Ng6 10. Bg3 e5 11. Be2 exd4 12. Qxd4 Bxc3+ 13. bxc3 Bxh3 14. gxh3 dxe4 15. fxe4 Rd8 16. Qb4 Qb6 17. Rf1 Nd7 18. Qxb6 axb6 19. Bc7 Re8 20. 0-0-0 Nge5 21. Bh5 Rec8 22. Bd6 g6 23. Bg4 Re8 24. Bxd7 Nxd7 25. Bf4 Nc5 26. Bxh6 Rxa3 27. Kb2 Ra4 28. Rd4 Rxd4 29. cxd4 Nxe4 30. Re1 Nd6 31. Rxe8+ Nxe8 32. c4 f6 33. h4 Kf7 34. Be3 Ke6 35. Kc3 Nd6 36. Kd3 b5 37. cxb5 Nxb5 38. Ke4 Nd6+ 39. Kd3 Nf5 40. Bf2 Kd5 41. Kc3 b5 42. Kd3 b4 43. h5 gxh5 44. h4 b3 45. Kc3 Nxd4 46. Be3 c5 47. Bh6 Nf5 48. Bf4 c4 49. Bc7 Nxh4 50. Bd8 Nf3 51. Bxf6 h4 52. Bd8 h3 53. Bc7 h2 54. Bxh2 Nxh2 55. Kb2 Kd4 56. Kc1 Kd3 57. Kb1 Nf3 58. Kb2 Kd2 59. Kb1 Nd4 60. Kb2 c3+ 61. Kb1 c2+ 62. Ka1 c1Q# 0-1

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.02"]
[Round "11"]
[White "Mihalik, Agoston"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2140"]
[BlackElo "2251"]
[PlyCount "120"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 Nc6 6. Bd3 Nh6 7. Ne2 Nf5 8. Bxf5 exf5 9. 0-0 cxd4 10. cxd4 Be6 11. f4 0-0 12. Nf3 b5 13. Be3 Qb6 14. h3 Rfc8 15. Ng5 Nb4 16. Nc3 Nc6 17. Nxe6 fxe6 18. Rc1 Na5 19. b3 Rc7 20. Qd3 a6 21. Ne2 Rac8 22. Rxc7 Rxc7 23. Rc1 Rxc1+ 24. Bxc1 Nc6 25. Bd2 a5 26. Kf2 Bb4 27. Be3 a4 28. Qc2 a3 29. Nc1 h6 30. g4 fxg4 31. hxg4 Be7 32. Nd3 b4 33. Kg2 Na7 34. f5 exf5 35. gxf5 Qc6 36. Qf2 Nb5 37. f6 gxf6 38. Bxh6 Kf7 39. Be3 Qe6 40. exf6 Qe4+ 41. Kg1 Bxf6 42. Ne5+ Ke6 43. Nf3 Nc3 44. Bd2 Ne2+ 45. Kf1 Nxd4 46. Nxd4+ Bxd4 47. Qg3 Qb1+ 48. Ke2 Qe4+ 49. Kf1 Qf5+ 50. Kg2 Qe4+ 51. Kf1 Bf6 52. Qg8+ Kf5 53. Qh7+ Ke5 54. Qxe4+ Kxe4 55. Bxb4 Bb2 56. Ke2 d4 57. Kd2 Kd5 58. Kd3 Bc1 59. Bf8 Bb2 60. Be7 Bc1 1/2-1/2

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.02"]
[Round "9"]
[White "Mikalajunas, Kajus"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2080"]
[BlackElo "2251"]
[PlyCount "164"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 Nc6 5. 0-0 a6 6. c3 b5 7. Bd5 Qd7 8. a4 Rb8 9. axb5 axb5 10. Re1 e6 11. Bxc6 Qxc6 12. d5 Qb7 13. Be3 Ra8 14. Rxa8 Qxa8 15. Na3 Qb7 16. e5 dxe5 17. dxe6 Bxe6 18. Bc5 f6 19. Nd4 Bf7 20. Ndxb5 Bf8 21. Nxc7+ Qxc7 22. Qa4+ Qd7 23. Qa8+ Qd8 24. Qxd8+ Kxd8 25. Bxf8 h5 26. Nb5 Bb3 27. Bg7 Rh7 28. Ra1 Rxg7 29. Ra8+ Ke7 30. Ra7+ Kf8 31. Ra8+ Kf7 32. Ra7+ Ne7 33. Nd6+ Ke6 34. Ne4 Bc4 35. b3 Be2 36. c4 Nf5 37. Ra6+ Ke7 38. Nxf6 Nd4 39. Nd5+ Ke8 40. Ra8+ Kf7 41. Ra7+ Kg8 42. Nf6+ Kf8 43. Ra8+ Ke7 44. Nd5+ Kd6 45. Ra6+ Nc6 46. Nc3 Bd3 47. b4 Bxc4 48. b5 Bxb5 49. Nxb5+ Kc5 50. Nc3 Nb4 51. Ra5+ Kd4 52. Ne2+ Ke4 53. Ra4 Rb7 54. Ng3+ Kd5 55. Ra5+ Ke6 56. Ne4 Rc7 57. g3 Kf5 58. Nd2 Nd3 59. Rd5 Rc1+ 60. Kg2 Ne1+ 61. Kh3 Rd1 62. Rd8 Ke6 63. f4 Nf3 64. Re8+ Kf7 65. Nxf3 Kxe8 66. Nxe5 Rd6 67. Kh4 Kf8 68. Kg5 Kg7 69. h3 Rd5 70. g4 hxg4 71. hxg4 Ra5 72. Kh4 Kf6 73. Nf3 Ra3 74. Kg3 Rc3 75. Kf2 Rc2+ 76. Ke3 Rg2 77. g5+ Ke6 78. Nh4 Rg3+ 79. Kf2 Rg4 80. Nxg6 Kf5 81. Kf3 Rxf4+ 82. Nxf4 Kxg5 1/2-1/2

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.02"]
[Round "8"]
[White "Yoon, Jacob D"]
[Black "Badacsonyi, Stanley Ethan Artie"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2251"]
[BlackElo "2334"]
[PlyCount "128"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Nc6 7. Nf3 Ng4 8. Bg5 h6 9. Bc1 e5 10. d5 Nd4 11. Nxd4 exd4 12. Nb5 Nf6 13. Qxd4 Re8 14. 0-0 Nxe4 15. Qd1 a6 16. Nd4 Qf6 17. Be3 Bd7 18. Qc2 Nc5 19. Rad1 Qh4 20. Bf3 Bg4 21. b4 Bxf3 22. Nxf3 Qe4 23. Qc1 Nd3 24. Qd2 Nb2 25. Bxh6 Nxd1 26. Bxg7 Kxg7 27. Rxd1 Qxc4 28. Rc1 Qe2 29. Qd4+ Kg8 30. h3 Re4 31. Qf6 Rc4 32. Re1 Qd3 33. Qg5 Qf5 34. Qh6 Qf6 35. a3 Qf4 36. Ng5 Qh4 37. Qxh4 Rxh4 38. Re7 Rf4 39. Rxc7 Rf5 40. Ne4 Rd8 41. Rxb7 Kg7 42. Ra7 Rxd5 43. Rxa6 Rd7 44. Kh2 Re5 45. Rxd6 Ra7 46. Nc3 Rxa3 47. Rc6 Rb3 48. b5 Re1 49. Rc5 f5 50. Nd5 Re2 51. Rc7+ Kh6 52. b6 Rxf2 53. b7 Rfb2 54. Nf4 Rxb7 55. Rxb7 Rxb7 56. h4 Rb4 57. g3 Ra4 58. Kh3 Kg7 59. Kg2 Kf6 60. Nh3 Ra2+ 61. Kf3 Ra3+ 62. Kf2 Ke5 63. Nf4 Ke4 64. Nxg6 Ra2+ 0-1

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.02"]
[Round "10"]
[White "Yoon, Jacob D"]
[Black "Deva, Chetan"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2251"]
[BlackElo "2181"]
[PlyCount "65"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 b6 4. a3 Bb7 5. d5 Be7 6. g3 Nf6 7. Bg2 e5 8. Nf3 d6 9. Qc2 Bc8 10. 0-0 0-0 11. b4 a5 12. Bd2 Qe8 13. bxa5 bxa5 14. Nb5 Bd8 15. Rab1 Qh5 16. c5 f4 17. cxd6 Bf5 18. Qb3 cxd6 19. Rbc1 fxg3 20. fxg3 Bb6+ 21. e3 Bc5 22. Rxc5 dxc5 23. Nxe5 Ra6 24. d6+ Kh8 25. Bc3 Bd7 26. g4 Qe8 27. Nc7 Qc8 28. Nf7+ Rxf7 29. Qxf7 Rxd6 30. Rxf6 gxf6 31. Bxf6+ Rxf6 32. Qxf6+ Kg8 33. Bd5+ 1-0

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.01"]
[Round "1"]
[White "Boganadham, Ved Sudeep"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1649"]
[BlackElo "2251"]
[PlyCount "102"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. exd5 cxd5 7. d4 Nc6 8. Bb5 Nf6 9. Bd2 Be7 10. g4 Qb6 11. 0-0-0 0-0 12. Be3 a6 13. Bd3 Nb4 14. a3 Nxd3+ 15. Rxd3 Qa5 16. Ne2 b5 17. g5 Ne4 18. Nc3 Nxc3 19. Rxc3 b4 20. Rb3 bxa3 21. bxa3 Bxa3+ 22. Kd1 Bd6 23. Bc1 Rab8 24. Qc3 Qxc3 25. Rxc3 Rb1 26. Rb3 Ra1 27. Rf3 Rb8 28. Rb3 Rxb3 29. cxb3 Bf4 30. Kc2 Bxg5 31. Rg1 Rxc1+ 32. Rxc1 Bxc1 33. Kxc1 g5 34. Kd2 h5 35. Ke3 Kg7 36. b4 Kg6 37. f4 g4 38. hxg4 hxg4 39. Kf2 Kf5 40. Ke3 f6 41. b5 axb5 42. Kf2 b4 43. Kg3 b3 44. Kh4 b2 45. Kg3 b1Q 46. Kf2 Qc2+ 47. Kg3 Qd3+ 48. Kh2 Qe2+ 49. Kh1 g3 50. Kg1 Qf2+ 51. Kh1 Qf1# 0-1

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.01"]
[Round "5"]
[White "Graff, Ben"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1800"]
[BlackElo "2251"]
[PlyCount "58"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. h3 Bh5 8. Qe2 e6 9. Bg5 Bd6 10. Nbd2 Qc7 11. g4 Bg6 12. Bxf6 gxf6 13. h4 0-0-0 14. h5 Bxd3 15. Qxd3 Bf4 16. 0-0-0 e5 17. Qf5+ Kb8 18. Qxf6 e4 19. Ng5 Bxg5 20. Qxg5 Nxd4 21. Kb1 Ne6 22. Qe3 Qf4 23. Qxf4+ Nxf4 24. c4 Nd3 25. Rh2 Ne5 26. cxd5 Rxd5 27. Rg2 Nf3 28. Rg3 Nxd2+ 29. Ka1 Nb3+ 0-1

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.01"]
[Round "3"]
[White "Lee, Yuk Hei"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1877"]
[BlackElo "2251"]
[PlyCount "87"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 0-0 8. 0-0 Bg4 9. h3 Bh5 10. Be3 Nd7 11. c3 Re8 12. Re1 Nf8 13. Be2 f5 14. Bg5 Qc7 15. Nh4 Bxe2 16. Rxe2 h6 17. Bd2 Qd7 18. Rxe8 Rxe8 19. Qf3 g6 20. Bxh6 Re4 21. g3 Qe7 22. Bxf8 Kxf8 23. Ng2 Kg7 24. Kf1 Qe6 25. b3 c5 26. dxc5 Bxc5 27. Re1 Qa6+ 28. Re2 Bd6 29. c4 Qc6 30. Rxe4 fxe4 31. Qc3+ Kg8 32. Ne3 Qd7 33. Kg2 Qe6 34. Qd4 b6 35. Nd5 Bc5 36. Qf6 Qc8 37. Qe5 f5 38. Nf4 Kh7 39. Qf6 Qe8 40. Ne6 Qe7 41. Ng5+ Kg8 42. Qxg6+ Kh8 43. Nf7+ Qxf7 44. Qxf7 1-0

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.01"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Brocklehurst, Andrew"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2251"]
[BlackElo "1856"]
[PlyCount "73"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Be3 Bg7 5. f3 0-0 6. Qd2 e5 7. Nge2 Nc6 8. 0-0-0 b5 9. g4 b4 10. Nb1 Nxd4 11. Nxd4 exd4 12. Bxd4 c5 13. Be3 Bxg4 14. fxg4 Nxg4 15. Bg5 Qa5 16. Bc4 Ne5 17. Qd5 Nf3 18. Bf4 Rad8 19. Nd2 Nd4 20. Kb1 Qb6 21. h4 a5 22. h5 Ne6 23. Be3 a4 24. hxg6 hxg6 25. Bh6 a3 26. Bxg7 Kxg7 27. Qd3 axb2 28. Bxe6 fxe6 29. Qh3 Rh8 30. Qxe6 Rde8 31. Qd7+ Kf6 32. Rdf1+ Kg5 33. Nf3+ Kf4 34. Qf7+ Ke3 35. Re1+ Kf2 36. Ng5+ Kg2 37. Qf3# 1-0

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.01"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Knox, Edward"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2251"]
[PlyCount "53"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. 0-0-0+ Bd7 8. Bc4 f6 9. Nge2 c6 10. f4 Bh6 11. Kb1 Ke7 12. Bc5+ Ke8 13. fxe5 fxe5 14. Rhf1 Ne7 15. Bd6 Bg4 16. Bf7+ Kf8 17. Be6+ Bf5 18. exf5 Ke8 19. f6 Nf5 20. f7+ Kd8 21. Bxe5+ Ke7 22. Bxf5 gxf5 23. Bxh8 Kxf7 24. Rxf5+ Kg6 25. Rf6+ Kg5 26. Ne4+ Kg4 27. h3+ 1-0

[Event "British Rapidplay"]
[Site "Peterborough"]
[Date "2025.03.01"]
[Round "2"]
[White "Yoon, Jacob D"]
[Black "Vitiugov, Nikita"]
[Result "0-1"]
[ECO "E26"]
[WhiteElo "2251"]
[BlackElo "2668"]
[PlyCount "74"]
[EventDate "2025.03.01"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. a3 Bxc3+ 6. bxc3 Bb7 7. f3 c5 8. Bd3 Nc6 9. Ne2 Na5 10. e4 d6 11. 0-0 Qc7 12. d5 0-0-0 13. Ng3 h5 14. h4 Rde8 15. dxe6 Rxe6 16. Nf5 g6 17. Ne3 Qd8 18. Nd5 Nd7 19. Bg5 f6 20. Bf4 g5 21. Bg3 Ne5 22. hxg5 fxg5 23. Bxe5 Rxe5 24. f4 gxf4 25. Rxf4 Rg5 26. Qf3 Nc6 27. a4 Rhg8 28. Ra2 Ne5 29. Qd1 Rg4 30. Rff2 Rg3 31. Bf1 Ng4 32. Rf4 Qh4 33. Rxg4 R3xg4 34. a5 bxa5 35. Rf2 Rg3 36. Rf3 Kb8 37. Ne3 Rxf3 0-1

[Event "BCF-chT 2425 (4NCL)"]
[Site "England"]
[Date "2025.02.16"]
[Round "6.53"]
[White "Yoon, Jacob D"]
[Black "Maycock Bates, David Henry"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2264"]
[BlackElo "2284"]
[PlyCount "123"]
[EventDate "2024.11.23"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]
[WhiteTeam "Barnet Knights"]
[BlackTeam "CSC/Kingston"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 e6 3. g4 d5 4. g5 Ne4 5. Bg2 Bb4+ 6. Kf1 Be7 7. h4 f5 8. Nc3 c6 9. Bf4 Nd7 10. Rc1 Nf8 11. Be5 Kf7 12. e3 h6 13. Nxe4 fxe4 14. g6+ Nxg6 15. Qh5 Qe8 16. f3 Rf8 17. fxe4 Kg8+ 18. Ke1 Nf4 19. Qg4 Nd3+ 20. Kd2 Nxe5 21. dxe5 Qd8 22. Kc2 dxc4 23. Rd1 Qa5 24. Ne2 Qxe5 25. Nf4 Bf6 26. Rd4 Qc5 27. e5 Bxe5 28. Be4 Rxf4 29. Rd8+ Rf8 30. Rf1 Rxd8 31. Qg6 Rd2+ 32. Kxd2 c3+ 33. Kc2 cxb2+ 34. Kb1 Qc1+ 35. Rxc1 bxc1Q+ 36. Kxc1 Bd7 37. Qh5 Bf6 38. Bg6 Be7 39. Bf7+ Kf8 40. Qf3 Bf6 41. Bg6 Ke7 42. h5 Rc8 43. Kb1 b6 44. e4 Be5 45. Qa3+ c5 46. Qxa7 b5 47. Kc2 b4 48. Qa5 Kd6 49. Qa6+ Ke7 50. Qa5 Rc7 51. Qa8 Bc6 52. Qa5 Kd6 53. Qb6 Rc8 54. Kb3 Ra8 55. Kc4 Bd4 56. Bf7 Rc8 57. Bg6 Ke5 58. Qa6 Rc7 59. Qb6 Rc8 60. Qa6 Rc7 61. Qb6 Rc8 62. Qa6 1/2-1/2

[Event "BCF-chT 2425 (4NCL)"]
[Site "England"]
[Date "2025.02.15"]
[Round "5.57"]
[White "Carroll, Thomas"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2130"]
[BlackElo "2264"]
[PlyCount "111"]
[EventDate "2024.11.23"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]
[WhiteTeam "Chessable White Rose"]
[BlackTeam "Barnet Knights"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8. Ne2 Nge7 9. Nxd4 Nxd4 10. Qxd4 Qxd4 11. Bxd4 0-0 12. Be2 Be6 13. 0-0 Bd5 14. Rfc1 c6 15. f3 Ng6 16. b4 Rfe8 17. Kf2 f6 18. a4 a6 19. g3 Nf8 20. h4 Ne6 21. Bb2 Nc7 22. g4 Bf7 23. Bd4 Rec8 24. Rab1 Be8 25. Bc4+ Bf7 26. Be2 Be8 27. h5 h6 28. Bd3 Bd7 29. Kg3 b5 30. a5 Ne6 31. Bb6 Re8 32. Rd1 Re7 33. Bf5 Nf8 34. Be4 Rc8 35. Bc5 Rf7 36. Bg6 Be6 37. Bxf7+ Kxf7 38. Bxf8 Kxf8 39. Rd4 Ke7 40. Rc1 Rc7 41. Rc5 Bc8 42. Kf4 Bd7 43. e4 Rc8 44. e5 Rf8 45. exf6+ gxf6 46. Rxd7+ Kxd7 47. Kf5 Rg8 48. Kxf6 Rf8+ 49. Kg7 Rxf3 50. Kxh6 Rf4 51. g5 Rxb4 52. g6 Rg4 53. Rg5 Rxg5 54. Kxg5 Ke7 55. h6 Kf8 56. Kf6 1-0

[Event "BCF-chT 2425 (4NCL)"]
[Site "England"]
[Date "2025.01.26"]
[Round "4.66"]
[White "Yoon, Jacob D"]
[Black "Zhao, George"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "2246"]
[BlackElo "2171"]
[PlyCount "85"]
[EventDate "2024.11.23"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]
[WhiteTeam "Barnet Knights"]
[BlackTeam "Barbican"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. 0-0 0-0 10. a3 Be7 11. Bc2 b6 12. Qd3 g6 13. Bh6 Re8 14. Ba4 Bb7 15. Rac1 Rc8 16. Rfd1 Bg5 17. Bxg5 Qxg5 18. Ne4 Qe7 19. Bb3 Red8 20. Qg3 Nf6 21. N4c3 Na5 22. Ba2 Nc4 23. Bxc4 Rxc4 24. Nb5 Nh5 25. Qe3 Qd7 26. Nbc3 Rdc8 27. f3 Nf6 28. Nf4 Nd5 29. Ncxd5 Bxd5 30. Rxc4 Rxc4 31. Nd3 Qa4 32. Rd2 Rc2 33. Ne5 Rxd2 34. Qxd2 f6 35. Ng4 f5 36. Ne5 Qe8 37. Qb4 Qc8 38. Qe7 a6 39. Nd7 Kh8 40. h4 Bxf3 41. gxf3 Qc1+ 42. Kg2 Qd2+ 43. Kh3 1-0

[Event "BCF-chT 2425 (4NCL)"]
[Site "England"]
[Date "2025.01.25"]
[Round "3.35"]
[White "Yoon, Jacob D"]
[Black "Dong, Bao Nghia"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2246"]
[BlackElo "2250"]
[PlyCount "81"]
[EventDate "2024.11.23"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]
[WhiteTeam "Barnet Knights"]
[BlackTeam "The Sharks"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. Nf3 f5 2. c4 g6 3. Nc3 Bg7 4. d3 Nf6 5. Bd2 c6 6. Qc1 d6 7. Bh6 Bxh6 8. Qxh6 Qb6 9. Qd2 e5 10. g3 0-0 11. Bg2 f4 12. d4 e4 13. Ng5 e3 14. fxe3 fxe3 15. Qxe3 Qxb2 16. 0-0 Bf5 17. Rxf5 gxf5 18. Rb1 Qc2 19. Rxb7 Nbd7 20. Ne6 Rf7 21. Bxc6 f4 22. Nxf4 Re8 23. Qd3 Qc1+ 24. Nd1 Rb8 25. Rxb8+ Nxb8 26. Ba4 Kh8 27. Kg2 Nbd7 28. Qc2 Qa3 29. Qb3 Qc1 30. c5 Rg7 31. Ne6 Qd2 32. Nxg7 Qxe2+ 33. Nf2 Ng4 34. Bxd7 Ne3+ 35. Qxe3 Qxe3 36. Nf5 Qa3 37. c6 Qa5 38. Nxd6 Kg8 39. Be6+ Kf8 40. d5 Ke7 41. Nb5 1-0

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.12.06"]
[Round "8"]
[White "Yoon, Jacob D"]
[Black "Zhou, Yang Fan"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2270"]
[BlackElo "2418"]
[PlyCount "108"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be2 d6 6. Nf3 Nbd7 7. 0-0 e5 8. Be3 Qe7 9. Qc2 c6 10. d5 c5 11. Nd2 Kh8 12. Kh1 Ng8 13. g4 Bh6 14. Rg1 Bf4 15. Nf1 Ndf6 16. Qd2 g5 17. Qd1 Qd7 18. Qa4 Qxa4 19. Nxa4 Nxe4 20. f3 Bd7 21. fxe4 Bxa4 22. Bxf4 exf4 23. Nd2 f6 24. a3 Bd7 25. b4 b6 26. bxc5 dxc5 27. a4 Nh6 28. h3 Nf7 29. Kg2 Rfe8 30. Rgb1 Nd6 31. Bd3 Rab8 32. a5 b5 33. cxb5 Bxb5 34. Bxb5 Nxb5 35. Rc1 Nd6 36. Rab1 Rxb1 37. Rxb1 c4 38. Rc1 Rc8 39. Kf3 Kg7 40. a6 Kf8 41. Nb1 Rb8 42. Nd2 Rb4 43. Rb1 Rxb1 44. Nxb1 Nb5 45. Ke2 Ke7 46. Nd2 Nd6 47. Kd1 c3 48. Nf3 Nxe4 49. Nd4 Kd6 50. Nb5+ Kxd5 51. Nxa7 f3 52. Nb5 f2 53. Ke2 c2 54. a7 f1Q+ 0-1

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.12.05"]
[Round "7"]
[White "Pert, Max P"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2076"]
[BlackElo "2270"]
[PlyCount "62"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 e6 2. Nf3 f5 3. Nc3 d5 4. Bf4 Nf6 5. e3 Be7 6. Nb5 Na6 7. c4 Ne4 8. Rc1 0-0 9. h4 c5 10. Nc3 cxd4 11. exd4 Bb4 12. Qb3 Qa5 13. a3 Bxc3+ 14. bxc3 b6 15. Ne5 Bb7 16. c5 Nb8 17. f3 Nf6 18. Bd2 Bc6 19. Nxc6 Nxc6 20. Bb5 bxc5 21. Bxc6 Rac8 22. Bb7 Rc7 23. Bf4 Rb8 24. Bxc7 Qxc7 25. Rb1 Qg3+ 26. Kf1 Ng4 27. fxg4 Qd3+ 28. Ke1 Rxb7 29. Qxb7 Qe3+ 30. Kf1 Qd3+ 31. Ke1 Qe3+ 1/2-1/2

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.12.03"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Verma, Shlok"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2270"]
[BlackElo "2191"]
[PlyCount "67"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. c4 e6 2. Nf3 Nf6 3. d4 d5 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. Be2 Nc6 9. 0-0 Be7 10. Be3 0-0 11. Qc1 Ba6 12. Nc3 Nb4 13. Rd1 Qc8 14. Bg5 Bxg5 15. Nxg5 c5 16. Qb1 Nd3 17. Bxd3 cxd3 18. Rxd3 Bxd3 19. Qxd3 g6 20. Qh3 h5 21. g4 Kg7 22. gxh5 Qd8 23. Nce4 Rh8 24. Qf3 Qe7 25. hxg6 fxg6 26. Qg4 Rae8 27. Nxc5 Rh5 28. Ncxe6+ Kh8 29. h4 Qd7 30. Qf3 Nd5 31. Rc1 Rxh4 32. Rc5 Nf4 33. Rc7 Nh3+ 34. Qxh3 1-0

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.12.02"]
[Round "5"]
[White "Roberson, Peter T"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2432"]
[BlackElo "2270"]
[PlyCount "45"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Bb5 Qa5+ 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. 0-0 a6 10. Bxc6+ bxc6 11. a3 Qb6 12. Na4 Qxd4 13. b3 Qa7 14. Bb2 f6 15. c4 Kf7 16. cxd5 cxd5 17. Rac1 Bd6 18. Qh5+ g6 19. Qf3 Qe7 20. Rc6 Rd8 21. Re1 Kg7 22. Rxa6 Nh6 23. Ra7 1-0

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.12.01"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Bird, Joel"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2270"]
[BlackElo "2001"]
[PlyCount "99"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Be2 dxc4 7. a4 a5 8. Bxc4 Bd6 9. e4 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Qxd8+ Kxd8 13. Bxf7 Rf8 14. Bc4 Bxc3+ 15. bxc3 Nxe4 16. 0-0 Kc7 17. Re1 Nxc3 18. Bd2 b5 19. Bxc3 bxc4 20. Re7+ Kd6 21. Rxg7 Bf5 22. Rd1+ Bd3 23. Rxh7 Rf5 24. Rh8 Raf8 25. Rxf8 Rxf8 26. Bxa5 Ra8 27. Bc3 Rxa4 28. h4 Ke6 29. g4 Ra3 30. Rc1 Kf7 31. Kg2 Be4+ 32. Kg3 Bd5 33. h5 Ra2 34. g5 Be4 35. f3 Bd3 36. g6+ Bxg6 37. hxg6+ Kxg6 38. Bb4 Re2 39. Rxc4 Re6 40. Rd4 Kf5 41. Rd6 Re3 42. Rxc6 Rb3 43. Rc5+ Kg6 44. Bc3 Ra3 45. f4 Kf7 46. f5 Ra4 47. Rc7+ Ke8 48. f6 Kf8 49. Be5 Re4 50. Bd6+ 1-0

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.11.30"]
[Round "3"]
[White "Ghasi, Ameet K"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2503"]
[BlackElo "2270"]
[PlyCount "127"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. 0-0 Ngf6 5. d3 c6 6. Qe1 e5 7. h3 Bh5 8. Nh4 Bg6 9. Nd2 Bc5 10. e4 dxe4 11. Nxg6 hxg6 12. dxe4 b5 13. a4 a6 14. Nb3 Bb6 15. axb5 axb5 16. Rxa8 Qxa8 17. Qb4 Qa6 18. Qd6 Bd8 19. Be3 Be7 20. Qd2 c5 21. Ra1 Qc6 22. c4 0-0 23. Na5 Qb6 24. cxb5 Qxb5 25. Bf1 Qb6 26. b4 Nb8 27. b5 Nxe4 28. Qd5 Ng5 29. Nc4 Qe6 30. Qxe6 Nxe6 31. Ra7 Bf6 32. Nd6 Rd8 33. Nxf7 Rd1 34. Kg2 Rd7 35. Rxd7 Nxd7 36. Nd6 Nd4 37. Bd3 Kf8 38. Bxg6 Be7 39. Nc4 Nxb5 40. Bf5 Ke8 41. h4 Nd6 42. Bxd7+ Kxd7 43. Nxe5+ Ke6 44. Ng6 c4 45. Nxe7 Kxe7 46. Kf3 Ke6 47. h5 Kd5 48. Ke2 Nb5 49. g4 Nc3+ 50. Kf3 Nd1 51. Bc1 c3 52. Ke2 Nb2 53. f3 Kd4 54. Be3+ Kd5 55. f4 c2 56. Bc1 Na4 57. Kd3 Nc5+ 58. Kxc2 Ke4 59. f5 Nd3 60. g5 Ne5 61. f6 gxf6 62. g6 Nc6 63. g7 Ne7 64. h6 1-0

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.11.30"]
[Round "2"]
[White "Yoon, Jacob D"]
[Black "Hanache, Kai"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2270"]
[BlackElo "2080"]
[PlyCount "77"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. Nf3 Nf6 2. d4 g6 3. Nbd2 d5 4. b4 Bg7 5. e3 a5 6. b5 c5 7. bxc6 Nxc6 8. c4 0-0 9. Be2 e5 10. Nxe5 Nxe5 11. dxe5 Ne4 12. Bb2 Nxd2 13. Qxd2 dxc4 14. Qxd8 Rxd8 15. Bxc4 a4 16. Bd4 Bf5 17. 0-0 Rac8 18. Rac1 Bh6 19. f4 Bf8 20. Bb5 a3 21. Bc4 Bb4 22. Bb3 Bd3 23. Rfd1 Be4 24. e6 Kf8 25. exf7 Be7 26. Be6 Rxc1 27. Rxc1 Bd5 28. Bxd5 Rxd5 29. Kf2 Kxf7 30. Kf3 h5 31. g3 Ke6 32. h3 g5 33. Ke4 h4 34. g4 Rb5 35. f5+ Kd7 36. Rd1 Rb4 37. Kd3 Bd6 38. Bf6 Bg3 39. Kc3+ 1-0

[Event "London Classic op 14th"]
[Site "London"]
[Date "2024.11.29"]
[Round "1"]
[White "Dasgupta, Avyukt"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2034"]
[BlackElo "2270"]
[PlyCount "102"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 c5 5. dxc5 Bxc5 6. Nc3 Be6 7. Bb5+ Nc6 8. 0-0 Nge7 9. Nd4 0-0 10. Be3 Bd6 11. Bd3 a6 12. Nce2 Qc7 13. h3 Qd7 14. f4 Nf5 15. Bf2 Nfxd4 16. Bxd4 Bf5 17. c3 Be4 18. Bxe4 dxe4 19. f5 Nxd4 20. Qxd4 Qc6 21. Kh1 Bc5 22. Qe5 Rfe8 23. Qf4 Qb5 24. Qg4 Qxb2 25. Ng3 Qxc3 26. Nxe4 Qd4 27. Nxc5 Qxc5 28. f6 g6 29. Rac1 Qd5 30. Rcd1 Qxa2 31. Qf4 Qa3 32. Rd7 Qe3 33. Qc7 Qb3 34. Rf3 Re1+ 35. Kh2 Qe6 36. Re7 Qxe7 37. fxe7 Re8 38. Qxb7 R8xe7 39. Qxa6 h5 40. Qc8+ Re8 41. Qc3 R1e6 42. Qd2 R8e7 43. Kg3 Re4 44. Qd5 R4e6 45. Kf4 h4 46. Kg4 Re4+ 47. Rf4 R4e5 48. Qd8+ Kg7 49. Qd4 f6 50. Qd6 R5e6 51. Qd4 Re5 1/2-1/2

[Event "BCF-chT 2425 (4NCL)"]
[Site "England"]
[Date "2024.11.24"]
[Round "2.65"]
[White "Foisor, Mihaela Veronica"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2156"]
[BlackElo "2270"]
[PlyCount "168"]
[EventDate "2024.11.23"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB48_2024"]
[SourceDate "2024.11.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.28"]
[SourceQuality "1"]
[WhiteTeam "The Sharks II"]
[BlackTeam "Barnet Knights"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. c4 c6 2. d4 d5 3. e3 Nf6 4. Nc3 a6 5. a4 Bf5 6. Nf3 e6 7. Bd3 Bxd3 8. Qxd3 Bb4 9. 0-0 Nbd7 10. Bd2 0-0 11. Nxd5 exd5 12. Bxb4 Re8 13. Nd2 Re6 14. Rae1 dxc4 15. Nxc4 b5 16. axb5 axb5 17. Nd2 Nd5 18. Bc5 Nxc5 19. dxc5 Qf6 20. Qd4 Qe7 21. b4 Rd8 22. Qb2 Qh4 23. Nf3 Qxb4 24. Qxb4 Nxb4 25. Nd4 Rf6 26. Ra1 h6 27. Ra3 Kh7 28. Rb1 Nd5 29. g3 Nc7 30. Ra7 Nd5 31. Rb3 Rc8 32. Kg2 Nc7 33. Rba3 Kg8 34. Rb7 Ne6 35. Nxe6 Rxe6 36. Raa7 Rf8 37. Rc7 g5 38. Ra6 Kg7 39. Raxc6 Rxc6 40. Rxc6 b4 41. Rb6 Rc8 42. Rb5 b3 43. g4 b2 44. Rxb2 Rxc5 45. Kg3 Rc1 46. f4 Rg1+ 47. Kf3 Ra1 48. Rd2 Ra4 49. Rd5 Kg6 50. Rd4 Ra2 51. h3 Rh2 52. Rd6+ Kg7 53. Kg3 Re2 54. Rd3 Re1 55. Kf2 Rh1 56. Kg2 Re1 57. Rd5 Kg6 58. Re5 Re2+ 59. Kf3 Rh2 60. Kg3 Re2 61. h4 gxf4+ 62. exf4 Ra2 63. h5+ Kg7 64. g5 hxg5 65. fxg5 Ra1 66. Re4 Ra5 67. Kg4 Rb5 68. Ra4 Rb1 69. h6+ Kg8 70. Ra8+ Kh7 71. Kf5 Rf1+ 72. Ke5 Rf2 73. Rf8 Rf1 74. Rb8 Rf2 75. Rb6 Kg8 76. Rb4 Rf1 77. Rf4 Ra1 78. Kf5 Ra5+ 79. Kg4 Ra1 80. Re4 Rf1 81. Kh5 Rh1+ 82. Rh4 Rg1 83. Rf4 Rh1+ 84. Kg4 Ra1 1/2-1/2

[Event "BCF-chT 2425 (4NCL)"]
[Site "England"]
[Date "2024.11.23"]
[Round "1.45"]
[White "Yoon, Jacob D"]
[Black "Arkell, Keith C"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2270"]
[BlackElo "2359"]
[PlyCount "109"]
[EventDate "2024.11.23"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "CB48_2024"]
[SourceDate "2024.11.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.28"]
[SourceQuality "1"]
[WhiteTeam "Barnet Knights"]
[BlackTeam "Cheddleton"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 Nb6 7. Qe2 Bg4 8. N1f3 Bxf3 9. Nxf3 g6 10. Bg5 Bg7 11. 0-0-0 h6 12. Bd2 e6 13. c3 Qe7 14. Ne5 0-0-0 15. Qf3 Nbd5 16. a3 Qe8 17. Bc2 Ne7 18. Rhe1 Rf8 19. g4 Nd7 20. Nd3 Nb6 21. Bb3 Kb8 22. Nc5 Ka8 23. Qg3 Nd7 24. Nd3 Rc8 25. Bf4 Qd8 26. Bd6 Re8 27. Qf4 Bf6 28. Kb1 g5 29. Qf3 Ng6 30. Bg3 Rf8 31. Bc2 Be7 32. Nc1 Nh4 33. Qe2 Qb6 34. Ka2 Ng2 35. Rg1 Nf4 36. Bxf4 gxf4 37. Nd3 Bd6 38. Qf3 Qc7 39. c4 c5 40. d5 exd5 41. Qxd5 Nb6 42. Qf5 Nxc4 43. Rge1 Nb6 44. Re4 Rfe8 45. Rde1 Rxe4 46. Rxe4 c4 47. Nxf4 c3 48. b3 a6 49. Nd5 Nxd5 50. Qxd5 Rd8 51. Rc4 Qb6 52. Qf5 Bxh2 53. Rxc3 Rd2 54. Qxf7 Qxf2 55. Qxf2 1/2-1/2

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "11"]
[White "Golubovskis, Maksims"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2192"]
[BlackElo "2270"]
[PlyCount "70"]
[EventDate "2024.09.17"]
[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 g6 2. Nc3 Bg7 3. d4 d6 4. e4 e5 5. Nf3 exd4 6. Nxd4 Nc6 7. Be3 Nge7 8. Be2 0-0 9. 0-0 f5 10. exf5 Bxd4 11. Bxd4 Nxf5 12. Be3 Nxe3 13. fxe3 Rxf1+ 14. Bxf1 Be6 15. Ne4 Ne5 16. Qd4 Nc6 17. Qc3 Qe7 18. Nf6+ Kf8 19. Bd3 Ne5 20. Rf1 Kg7 21. c5 Rf8 22. cxd6 cxd6 23. Ne4 Rxf1+ 24. Kxf1 Bxa2 25. Qd4 d5 26. Nf2 Qf6 27. Be2 Nc4 28. Qxa7 Qxb2 29. Qd4+ Qxd4 30. exd4 Ne3+ 31. Kg1 Nf5 32. Bf3 Nxd4 33. Bd1 Bb3 34. Bg4 Bc4 35. Bc8 b5 0-1

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "2"]
[White "Martinovici, Ilie"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2445"]
[BlackElo "2270"]
[PlyCount "57"]
[EventDate "2024.09.17"]
[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. Nd2 Be7 4. c3 c5 5. exd5 exd5 6. dxc5 a5 7. Ngf3 Nf6 8. Bd3 0-0 9. 0-0 Na6 10. Nb3 a4 11. Nbd4 Nxc5 12. Bc2 Bg4 13. h3 Bh5 14. Bf4 Nfe4 15. Re1 Re8 16. Nb5 Ne6 17. Bh2 N4g5 18. Re5 Bxf3 19. gxf3 Nxh3+ 20. Kg2 Nhf4+ 21. Kf1 Bf6 22. Rf5 Bg5 23. Nd4 g6 24. Nxe6 Nxe6 25. Rxd5 Qb6 26. Bxa4 Bh4 27. Bg3 Bxg3 28. fxg3 Red8 29. Bb3 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "6"]
[White "Matveeva, Olga"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2196"]
[BlackElo "2270"]
[PlyCount "70"]
[EventDate "2024.09.17"]
[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 g6 2. c4 Bg7 3. g3 d6 4. Bg2 Nc6 5. Nf3 Bd7 6. 0-0 Qc8 7. Nc3 Bh3 8. e4 h5 9. Nd5 Bxg2 10. Kxg2 h4 11. Be3 hxg3 12. fxg3 Qh3+ 13. Kg1 0-0-0 14. Qd2 f6 15. Nf4 Qd7 16. d5 Ne5 17. Nxe5 fxe5 18. Ne6 Bh6 19. Nxd8 Qxd8 20. Bxh6 Nxh6 21. Qe2 Qd7 22. Rf2 Ng4 23. Rg2 Nf6 24. Rf1 g5 25. Qf2 Kb8 26. Qf5 Qa4 27. b3 Qb4 28. Qxg5 Qc5+ 29. Kh1 Nxe4 30. Qxe7 a6 31. Rf8+ Rxf8 32. Qxf8+ Ka7 33. Qf1 Qe3 34. Qg1 Qxg1+ 35. Kxg1 Nf6 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "7"]
[White "Myagmarsuren, Evsuld"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2149"]
[BlackElo "2270"]
[PlyCount "114"]
[EventDate "2024.09.17"]
[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 g6 2. d4 Bg7 3. c3 d6 4. Bd3 e5 5. Nf3 Nc6 6. Be3 f5 7. exf5 gxf5 8. dxe5 dxe5 9. 0-0 Nf6 10. Bb5 Qe7 11. Re1 Bd7 12. Bxc6 Bxc6 13. Nxe5 0-0 14. Nxc6 bxc6 15. Nd2 Kh8 16. Qf3 Nd5 17. Bd4 Qg5 18. Bxg7+ Qxg7 19. Nc4 f4 20. Ne5 Rf5 21. Nxc6 Rg8 22. Rad1 Rg5 23. g3 fxg3 24. hxg3 Rf8 25. Qe4 Nf6 26. Qg2 Ng4 27. Re7 Qg6 28. Rdd7 Nxf2 29. Qxf2 Rxg3+ 30. Kf1 Rxf2+ 31. Kxf2 Rg2+ 32. Kf1 Rg1+ 33. Kf2 Qg2+ 34. Ke3 Re1+ 35. Kd4 Rxe7 36. Rxe7 Qxc6 37. Re5 Qb6+ 38. Rc5 Qxb2 39. Rxc7 Qxa2 40. c4 a5 41. c5 Qd2+ 42. Ke5 Qh2+ 43. Ke6 Qxc7 44. c6 Qxc6+ 45. Kf7 Qd5+ 46. Ke7 Qe5+ 47. Kf7 Qf5+ 48. Ke7 a4 49. Kd6 a3 50. Ke7 a2 51. Kd6 a1Q 52. Ke7 Qe1+ 53. Kd6 Qd3+ 54. Kc5 Qc1+ 55. Kb4 Qdb1+ 56. Ka4 Qc4+ 57. Ka5 Qcb5# 0-1

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "10"]
[White "Napoli, Nicolo"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2228"]
[BlackElo "2270"]
[PlyCount "58"]
[EventDate "2024.09.17"]
[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 g6 2. h4 Nf6 3. e5 Nd5 4. c4 Nb6 5. c5 Nd5 6. Nc3 Nxc3 7. bxc3 d6 8. cxd6 cxd6 9. h5 dxe5 10. hxg6 fxg6 11. Nf3 Bg7 12. d4 exd4 13. cxd4 Nc6 14. Bd3 Nxd4 15. Rb1 0-0 16. Bc4+ Be6 17. Qxd4 Bxd4 18. Bxe6+ Rf7 19. Ng5 Qa5+ 20. Kf1 Raf8 21. Rxh7 Bg7 22. Be3 Qe5 23. Rh3 Bf6 24. Bxf7+ Rxf7 25. Nxf7 Kxf7 26. Re1 Qb5+ 27. Kg1 Qa6 28. a3 Qxa3 29. Bd4 Qb4 0-1

[Event "Titled Tuesday intern op 17th Sep Late"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "1"]
[White "Pershin, Denis"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2358"]
[BlackElo "2270"]
[PlyCount "57"]
[EventDate "2024.09.17"]
[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 g6 2. e4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 Nc6 7. h3 e5 8. Be3 Qe7 9. Re1 exd4 10. Nxd4 Nxe4 11. Nxe4 Qxe4 12. Bf3 Qh4 13. Nxc6 bxc6 14. Bxc6 Rb8 15. Bxa7 Rxb2 16. a4 Bf5 17. Re2 Rxc2 18. Rc1 Rxc1 19. Qxc1 Bd4 20. Bxd4 Qxd4 21. a5 Bd3 22. Rd2 Qc4 23. Qxc4 Bxc4 24. Bb7 Re8 25. Rd1 Re2 26. Ra1 d5 27. a6 Bxa6 28. Bxa6 c5 29. Bxe2 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "3"]
[White "Sharapov, Evgeny"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2375"]
[BlackElo "2270"]
[PlyCount "63"]
[EventDate "2024.09.17"]
[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. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Be7 9. c4 b6 10. b3 0-0 11. Bb2 Bb7 12. Qe2 Re8 13. Rad1 a6 14. Ne5 c5 15. dxc5 Bxc5 16. Nxd7 Nxd7 17. Qg4 g6 18. h4 Bf8 19. h5 Bg7 20. Bxg7 Kxg7 21. hxg6 hxg6 22. Nh5+ Kh7 23. Nf4 Rg8 24. Qh5+ Kg7 25. Bxg6 Rh8 26. Qg4 Ne5 27. Qg3 Qh4 28. Bc2+ Qxg3 29. fxg3 Ng4 30. Rd7 Bc8 31. Nxe6+ Kg8 32. Rd8# 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "9"]
[White "Yoon, Jacob D"]
[Black "Charvi, A."]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2270"]
[BlackElo "1944"]
[PlyCount "63"]
[EventDate "2024.09.17"]
[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. b3 d6 3. Bb2 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. Qd2 Nc6 9. 0-0-0 Qa5 10. Kb1 Nxd4 11. Qxd4 Ng4 12. Qd2 Nxf2 13. Qxf2 Bxc3 14. Bc4 Bxb2 15. Kxb2 Qe5+ 16. Kb1 Be6 17. Bd5 Bxd5 18. exd5 a5 19. Rhe1 Qg7 20. Rxe7 a4 21. Rxb7 axb3 22. cxb3 Qe5 23. Qd4 Qe2 24. Qd2 Qe4+ 25. Kb2 Rfc8 26. Re1 Qf5 27. a4 Rc5 28. Rbe7 Qf6+ 29. Ka3 Kg7 30. Qe2 Rac8 31. Rf1 Rc2 32. Rxf6 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "1"]
[White "Yoon, Jacob D"]
[Black "Daulet, Alikhan"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2270"]
[BlackElo "2004"]
[PlyCount "169"]
[EventDate "2024.09.17"]
[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 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 c6 7. e3 h6 8. Bh4 Be7 9. Bd3 0-0 10. h3 Nbd7 11. 0-0 Ne8 12. Bg3 Bd6 13. Ne2 Qe7 14. a3 Bxg3 15. Nxg3 Nd6 16. Qc2 Re8 17. b4 Nf8 18. Ne5 Be6 19. Rab1 f6 20. Nf3 Bf7 21. Nd2 h5 22. a4 h4 23. Ne2 Ne4 24. b5 axb5 25. axb5 Rac8 26. Nxe4 dxe4 27. Bc4 cxb5 28. Bxf7+ Qxf7 29. Qb2 Ng6 30. Qxb5 Rc7 31. Nc1 Rec8 32. Nb3 Ne7 33. Nc5 Qd5 34. Rb2 Nf5 35. Rfb1 Nd6 36. Qe2 Ra8 37. Qg4 g5 38. Rb6 Rd8 39. Ne6 Rdd7 40. Nxc7 Rxc7 41. Qh5 Kg7 42. Qd1 Nc4 43. R6b5 Qd7 44. d5 Na3 45. R5b3 Nxb1 46. Rxb1 b5 47. Qd4 Rc8 48. Qxe4 Rd8 49. Rd1 Qd6 50. f4 gxf4 51. exf4 b4 52. Kh2 b3 53. Rb1 Rb8 54. Qd3 Qxf4+ 55. Kh1 Qb4 56. d6 Rd8 57. d7 b2 58. Qe2 Qd6 59. Rxb2 Rxd7 60. Qg4+ Kf7 61. Rf2 Re7 62. Qf4 Re1+ 63. Kh2 Qxf4+ 64. Rxf4 Kg6 65. Rxh4 Kg5 66. Rg4+ Kf5 67. Rg3 Ke4 68. Rf3 f5 69. Rf2 f4 70. Rf3 Re2 71. h4 Ra2 72. Kh3 Ra8 73. h5 Rh8 74. Kh4 Kf5 75. Rb3 Ke5 76. Rb5+ Ke4 77. Rg5 f3 78. gxf3+ Kxf3 79. Rg6 Kf4 80. h6 Kf5 81. Kh5 Ke5 82. Rg7 Kf5 83. h7 Kf6 84. Kh6 Ke6 85. Rg8 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "5"]
[White "Yoon, Jacob D"]
[Black "Herman, Daniel"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2270"]
[BlackElo "1925"]
[PlyCount "131"]
[EventDate "2024.09.17"]
[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. Nc3 g6 3. e4 d5 4. e5 Nh5 5. Be2 Ng7 6. Nf3 Bg4 7. 0-0 e6 8. Bg5 Be7 9. Bxe7 Qxe7 10. h3 Bxf3 11. Bxf3 0-0 12. Ne2 c5 13. c4 dxc4 14. Rc1 Nc6 15. Rxc4 cxd4 16. Bxc6 bxc6 17. Nxd4 c5 18. Nb5 Nf5 19. Qc2 a6 20. Na3 Nd4 21. Qe4 Rac8 22. Rfc1 Nb5 23. Nc2 Rfd8 24. Kh2 Rd2 25. a4 Na7 26. Ne3 h5 27. b4 Rxf2 28. bxc5 Nc6 29. R4c2 Rxc2 30. Rxc2 Qg5 31. Nc4 h4 32. Nd6 Rc7 33. Re2 Qg3+ 34. Kh1 Ne7 35. Qa8+ Kh7 36. Nxf7 Rc8 37. Qb7 Re8 38. Nd6 Qf4 39. Qf3 Qxf3 40. gxf3 Rf8 41. Kg2 Nc6 42. Rb2 Rf4 43. Rb7+ Kh6 44. Rb6 Nxe5 45. Rxa6 Rd4 46. Ne4 Rd3 47. Rxe6 Nxf3 48. c6 Nd4 49. Rd6 Rb3 50. c7 Rb2+ 51. Kf1 Rc2 52. Nf6 Rxc7 53. Ng4+ Kg5 54. Ne5 Nf5 55. Rxg6+ Kf4 56. Nd3+ Ke3 57. Ne1 Ng3+ 58. Kg2 Rc1 59. Re6+ Kf4 60. Nd3+ Kf5 61. Nxc1 Kxe6 62. Nd3 Ne4 63. Kf3 Kf5 64. Nf2 Nd6 65. Nd1 Nc4 66. Ne3+ 1-0

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "8"]
[White "Yoon, Jacob D"]
[Black "Krivenko, Dion"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2270"]
[BlackElo "2244"]
[PlyCount "62"]
[EventDate "2024.09.17"]
[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 g6 2. e4 Bg7 3. Nc3 c5 4. dxc5 Qa5 5. Nge2 Qxc5 6. Be3 Qa5 7. Nd4 Nc6 8. Nb3 Qd8 9. Qd2 Nf6 10. f3 0-0 11. g4 a5 12. a4 d6 13. h4 Be6 14. h5 Ne5 15. Be2 Rc8 16. Nd4 Bc4 17. 0-0-0 Bxe2 18. Ncxe2 Nc4 19. Qd3 Nxe3 20. Qxe3 Qb6 21. c3 Nd7 22. Qg5 Nc5 23. hxg6 hxg6 24. Nf4 Nxa4 25. Rd2 Nxc3 26. bxc3 Rxc3+ 27. Nc2 Rfc8 28. Nd5 Rxc2+ 29. Rxc2 Qb2+ 30. Kd1 Qxc2+ 31. Ke1 Qc1+ 0-1

[Event "Titled Tuesday intern op 17th Sep Late"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "2"]
[White "Yoon, Jacob D"]
[Black "Paragua, Megan Althea"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2270"]
[BlackElo "2190"]
[PlyCount "82"]
[EventDate "2024.09.17"]
[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. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Nf3 0-0 7. Bd3 c5 8. c3 c4 9. Bc2 Bd7 10. a4 Bxb5 11. axb5 Nc7 12. b6 axb6 13. Rxa8 Nxa8 14. Ne5 Nc7 15. g4 Nd7 16. Nf3 b5 17. g5 b4 18. h4 bxc3 19. bxc3 Nb5 20. h5 Nxc3 21. Qc1 Ne4 22. Bxe4 dxe4 23. Nd2 Bb4 24. Qxc4 Qa5 25. g6 Qa1+ 26. Ke2 Qxh1 27. Qxb4 Qxh5+ 28. Ke1 Qxg6 29. Qe7 Nf6 30. Nc4 Nd5 31. Qxb7 Nxf4 32. exf4 Qg1+ 33. Ke2 Qg4+ 34. Ke1 Qxf4 35. Ne5 e3 36. fxe3 Qxe3+ 37. Kf1 Qxd4 38. Nd7 Rd8 39. Nb6 Qf4+ 40. Ke1 Qe3+ 41. Kf1 Rd1+ 0-1

[Event "Titled Tuesday intern op 17th Sep Early"]
[Site "Chess,com INT"]
[Date "2024.09.17"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Volkov, Sergei"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2270"]
[BlackElo "2151"]
[PlyCount "100"]
[EventDate "2024.09.17"]
[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 g6 2. e4 Bg7 3. Nc3 d6 4. f4 a6 5. a4 Nc6 6. Nf3 Bg4 7. Be3 Bxf3 8. gxf3 e5 9. fxe5 dxe5 10. d5 Nd4 11. Be2 c5 12. dxc6 bxc6 13. h4 Nf6 14. f4 c5 15. fxe5 Nd7 16. Nd5 Nxe5 17. c3 Ne6 18. h5 0-0 19. Qd2 Ra7 20. Bh6 Bxh6 21. Qxh6 Qg5 22. hxg6 Qxh6 23. Rxh6 fxg6 24. 0-0-0 Rf2 25. Bf1 Kg7 26. Rh1 h5 27. Bh3 Ng5 28. Bc8 c4 29. Rhf1 Nxe4 30. Rxf2 Nxf2 31. Re1 Ned3+ 32. Kd2 Nxe1 33. Kxe1 Nd3+ 34. Kd2 Nxb2 35. Kc2 Nxa4 36. Ne3 Nb6 37. Be6 Rc7 38. Kd2 Kf6 39. Bh3 g5 40. Bg2 g4 41. Ke2 Kg5 42. Kf2 h4 43. Kg1 h3 44. Be4 Kf4 45. Nxg4 Kxg4 46. Kh2 Re7 47. Bh1 Re2+ 48. Kg1 Kg3 49. Kf1 Rc2 50. Kg1 Rc1# 0-1

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.26"]
[Round "9"]
[White "Yoon, Jacob D"]
[Black "Kalavannan, Koby"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2118"]
[BlackElo "2248"]
[PlyCount "151"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Nf3 d5 7. exd6 exd6 8. c4 Bg4 9. Bb2 Qa5+ 10. Qd2 Qxd2+ 11. Kxd2 Bxf3 12. gxf3 0-0-0 13. Rd1 Rg8 14. Kc1 g6 15. Bf6 Be7 16. Bh3+ Kc7 17. Bxe7 Nxe7 18. Rhe1 Nc6 19. f4 Rde8 20. Re3 Nd4 21. Rde1 Rxe3 22. Rxe3 Kd8 23. c3 Nf5 24. Bxf5 gxf5 25. Rg3 Rg4 26. Rxg4 fxg4 27. Kd2 Ke7 28. Ke3 Ke6 29. Ke4 f5+ 30. Kd3 Kf6 31. Ke2 Kg6 32. Kf1 Kh5 33. b4 Kh4 34. Kg2 a6 35. b5 a5 36. b6 a4 37. a3 h6 38. Kg1 Kh5 39. Kg2 Kg6 40. Kg3 Kf6 41. Kh4 Ke6 42. Kh5 d5 43. cxd5+ Kxd5 44. Kxh6 Ke4 45. c4 Kxf4 46. Kg6 Ke5 47. Kg5 Ke4 48. Kf6 f4 49. Kg5 g3 50. hxg3 fxg3 51. fxg3 Kd4 52. Kf5 Kxc4 53. g4 Kd3 54. g5 c4 55. g6 c3 56. g7 c2 57. g8Q c1Q 58. Qd5+ Ke2 59. Qxb7 Qc5+ 60. Ke6 Qxa3 61. Qe4+ Kf2 62. b7 Qb3+ 63. Qd5 Qb6+ 64. Kd7 a3 65. Qf5+ Kg1 66. Qg4+ Kh1 67. Qf3+ Kg1 68. Qg3+ Kh1 69. b8Q Qd4+ 70. Qgd6 Qg7+ 71. Kc8 Qg8+ 72. Kb7 Qb3+ 73. Qb6 Qa2 74. Qc6+ Kg1 75. Qg3+ Kf1 76. Qcf3+ 1-0

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.25"]
[Round "8"]
[White "Shkuro, Iuri"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2566"]
[BlackElo "2118"]
[PlyCount "13"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. b4 cxd4 6. cxd4 Qb6 7. Nc3 1/2-1/2

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.25"]
[Round "7"]
[White "Yoon, Jacob D"]
[Black "White, Stuart A"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2118"]
[BlackElo "1990"]
[PlyCount "67"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Nc6 7. Qxb7 Bd7 8. Qb3 Rb8 9. Qd1 e5 10. dxe5 Nxe5 11. Be2 Bd6 12. Nf3 Nxf3+ 13. Bxf3 Qc7 14. 0-0 Bxh2+ 15. Kh1 Be5 16. Nxd5 Nxd5 17. Bxd5 0-0 18. f4 Bxb2 19. Bxb2 Rxb2 20. Qd4 Rc2 21. Rad1 Bc6 22. e4 Bxd5 23. exd5 Rxa2 24. d6 Qc6 25. Rf3 Rd8 26. Rg3 g6 27. Qf6 Qb6 28. Qe7 Rf2 29. Re3 Rxf4 30. d7 Kg7 31. Qe5+ Rf6 32. Rf3 Qe6 33. Qd4 Qb6 34. Qa1 1-0

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.24"]
[Round "5"]
[White "Korneev, Oleg"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2469"]
[BlackElo "2118"]
[PlyCount "39"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. d4 e6 8. Bc4 Bb4 9. Qd3 0-0 10. 0-0 a6 11. Bb3 Be7 12. Re1 g6 13. Bh6 Re8 14. Rad1 Na5 15. Bxd5 exd5 16. Ne5 Be6 17. Re2 Nc6 18. Nxc6 bxc6 19. Na4 Bd6 20. Bd2 1/2-1/2

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.24"]
[Round "6"]
[White "Patel, Keatan"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "1909"]
[BlackElo "2118"]
[PlyCount "74"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 5. Nge2 exd4 6. Nxd4 Ne7 7. Be2 Nbc6 8. Be3 0-0 9. 0-0 f5 10. exf5 Bxd4 11. Bxd4 Nxf5 12. Be3 Nxe3 13. fxe3 Rxf1+ 14. Qxf1 Bf5 15. Qf4 Qe7 16. Nd5 Qg7 17. Rf1 Qxb2 18. Bg4 Rf8 19. Nxc7 Ne5 20. h3 h5 21. Bf3 Be6 22. Qg5 Nxf3+ 23. Rxf3 Qb1+ 24. Kh2 Rxf3 25. gxf3 Qxa2+ 26. Kg3 Qxc4 27. Qxg6+ Kh8 28. Nxe6 h4+ 29. Kf2 Qa2+ 30. Ke1 Qa1+ 31. Kd2 Qa2+ 32. Kc3 Qa5+ 33. Kc4 Qa4+ 34. Kc3 Qa5+ 35. Kd3 Qb5+ 36. Kd4 Qa4+ 37. Kd5 Qc6+ 1/2-1/2

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.23"]
[Round "3"]
[White "Yoon, Jacob D"]
[Black "Dgebuadze, Alexandre"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2118"]
[BlackElo "2430"]
[PlyCount "93"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 d6 7. Nc3 Nc6 8. e4 0-0 9. 0-0-0 Qe7 10. Bd3 e5 11. Nd5 Nxd5 12. exd5 Nxd4 13. Nxd4 exd4 14. Bc2 Bd7 15. Rhe1 Qf6 16. Qxd4 Qxd4 17. Rxd4 Rfe8 18. Rde4 Rxe4 19. Rxe4 Kf8 20. Re3 h6 21. Kd2 g5 22. g3 Rb8 23. Rb3 b6 24. Bd1 f5 25. f4 Kf7 26. Be2 Kf6 27. Re3 Rg8 28. Rf3 g4 29. Re3 h5 30. Bf1 h4 31. b3 Rh8 32. a4 c6 33. Bg2 h3 34. Bh1 c5 35. Kc2 Rc8 36. Kc3 Re8 37. Rxe8 Bxe8 38. Kd3 Bd7 39. Kc3 Ke7 40. Kd3 Kd8 41. Kc3 Kc7 42. Kd3 Kb7 43. Kc3 Ka7 44. Kb2 Ka6 45. Kc3 Be8 46. Kd3 Bd7 47. Kc3 1/2-1/2

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.23"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Lutsko, Artem"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2118"]
[BlackElo "2414"]
[PlyCount "91"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. 0-0 c4 11. Bc2 Nc6 12. b3 Ba6 13. bxc4 Bxc4 14. Bd3 Bxd3 15. Qxd3 Qd7 16. Rfc1 Rfc8 17. h3 a6 18. e4 Nb4 19. Qe2 dxe4 20. Qxe4 Nd5 21. Bd2 f6 22. Nh4 Bf8 23. Nf5 Re8 24. Qg4 Rad8 25. Qf3 b5 26. Rc2 Rc8 27. Rac1 Rxc2 28. Rxc2 Nb6 29. Rc6 Nc4 30. Bc3 g6 31. Ng3 f5 32. d5 a5 33. a4 Ne5 34. Bxe5 Rxe5 35. axb5 Qxd5 36. Qxd5+ Rxd5 37. b6 a4 38. Ne2 a3 39. Nc3 Rc5 40. Rxc5 Bxc5 41. b7 Bd6 42. Kf1 Kf7 43. Ke2 Bb8 44. Kd3 Ke6 45. Kc2 Kd7 46. Kb3 1/2-1/2

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.22"]
[Round "2"]
[White "Shafi, Declan"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2222"]
[BlackElo "2118"]
[PlyCount "41"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. Nc3 d6 4. g3 Nc6 5. Bg2 Bd7 6. d3 h5 7. Bg5 Qc8 8. Qd2 Nd4 9. Nge2 Bh3 10. 0-0 h4 11. Nxd4 hxg3 12. fxg3 Bxd4+ 13. Kh1 f6 14. Bxh3 Qxh3 15. Nd5 fxg5 16. Nxc7+ Kd7 17. Nxa8 Nf6 18. Qg2 Ng4 19. Qxh3 Rxh3 20. Kg2 Rxh2+ 21. Kf3 0-1

[Event "Darlington Northumbria op"]
[Site "Darlington"]
[Date "2024.08.22"]
[Round "1"]
[White "Yoon, Jacob D"]
[Black "Wadsworth, Matthew J"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2118"]
[BlackElo "2464"]
[PlyCount "56"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 0-0 7. 0-0 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Re1 Nd7 11. e4 e5 12. Qc2 Bf6 13. Be3 Qe7 14. Rad1 a5 15. dxe5 dxe5 16. h4 Nc5 17. Nh2 Ne6 18. Ng4 Rad8 19. Nxf6+ Qxf6 20. c5 bxc5 21. Bxc5 Rxd1 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. Qc3 g5 25. hxg5 Qd1+ 26. Kh2 Qh5+ 27. Kg1 Qd1+ 28. Kh2 Qh5+ 1/2-1/2

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.08.04"]
[Round "9"]
[White "Yoon, Jacob D"]
[Black "Pert, Max P"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2118"]
[BlackElo "2034"]
[PlyCount "91"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Be7 5. g3 0-0 6. Bg2 b6 7. 0-0 Bb7 8. d3 c5 9. Nbd2 Nc6 10. a3 Qc7 11. Qc2 Rfd8 12. Rad1 Rac8 13. Qb1 Ne8 14. cxd5 exd5 15. Rc1 Qd7 16. h4 Bf6 17. b4 Qe7 18. bxc5 bxc5 19. Rfe1 Ba6 20. Bh3 Rc7 21. Bxf6 Nxf6 22. Qc2 Ne5 23. Qa4 Bc8 24. Bg2 Nxf3+ 25. Bxf3 Be6 26. Nb3 Rdc8 27. Rc3 Nd7 28. Rec1 h6 29. Qf4 Nb6 30. h5 Na8 31. Nd2 Nb6 32. Nb3 Na8 33. R3c2 Nb6 34. Nd4 c4 35. Nxe6 fxe6 36. dxc4 Qxa3 37. Qe5 Qe7 38. Bg4 Rc6 39. c5 Nc4 40. Qd4 Qg5 41. e3 Kf7 42. Be2 Rxc5 43. Bxc4 dxc4 44. Rxc4 Rxc4 45. Rxc4 Rxc4 46. Qxc4 1/2-1/2

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.08.03"]
[Round "8"]
[White "Fava, Lorenzo"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2161"]
[BlackElo "2118"]
[PlyCount "85"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 a6 5. b3 Bg4 6. Be2 e6 7. Bb2 Bd6 8. h3 Bh5 9. d4 Ne4 10. Nxe4 dxe4 11. Nd2 Bxe2 12. Qxe2 f5 13. 0-0-0 Nd7 14. f3 exf3 15. gxf3 Qa5 16. Kb1 0-0-0 17. Rhg1 g6 18. c5 Be7 19. Nc4 Qc7 20. Bc3 Rde8 21. e4 Rhf8 22. e5 Qb8 23. Ba5 Qa8 24. a4 Bd8 25. b4 Bxa5 26. Nd6+ Kb8 27. bxa5 Ka7 28. Ka2 Qd8 29. Qd2 Re7 30. Rb1 Nb8 31. Rb6 Rff7 32. Qg5 Qf8 33. Rgb1 Ka8 34. Qe3 Rc7 35. Qb3 Qe7 36. Qc4 Rg7 37. Rxb7 Rxb7 38. Rxb7 Qg5 39. Rxg7 Qd2+ 40. Ka3 Qe3+ 41. Qb3 Qc1+ 42. Qb2 Qe3+ 43. Ka2 1-0

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.08.02"]
[Round "7"]
[White "Harborne, Matthew J"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2103"]
[BlackElo "2118"]
[PlyCount "81"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Be3 c6 7. Qd2 b5 8. a3 Nbd7 9. e5 Ne8 10. g4 Nb6 11. Qg2 dxe5 12. dxe5 Nc7 13. Nd4 Ncd5 14. Nxd5 Nxd5 15. Nxc6 Nxe3 16. Nxd8 Nxg2+ 17. Bxg2 Rxd8 18. Bxa8 Bxg4 19. Bg2 f6 20. h3 Bf5 21. Rd1 Rxd1+ 22. Kxd1 fxe5 23. fxe5 Bxe5 24. c3 Bd7 25. Bd5+ Kg7 26. Ke2 g5 27. Kf2 Kf6 28. Kg2 Bf4 29. Rd1 h6 30. Bf3 Bd6 31. Rd4 a5 32. c4 bxc4 33. Rxc4 e5 34. b4 axb4 35. axb4 Be8 36. Rc8 Ke7 37. Bc6 Bxc6+ 38. Rxc6 Bxb4 39. Rxh6 Bd2 40. Ra6 e4 41. Kf2 1/2-1/2

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.08.01"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Jaunooby, Ali Reza"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2118"]
[BlackElo "2145"]
[PlyCount "96"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. d4 d5 5. Bd3 Bd6 6. 0-0 0-0 7. c4 c6 8. Re1 Bxe5 9. dxe5 Nc5 10. Nc3 d4 11. Ne4 Nxe4 12. Bxe4 f5 13. Bf3 Be6 14. b3 Qb6 15. Ba3 c5 16. Bd5 Na6 17. Qf3 Rf7 18. Rab1 Re8 19. Re2 Nc7 20. Bxb7 Bxc4 21. Rc2 Rxe5 22. Rxc4 Nb5 23. Bxc5 Qxb7 24. Qxb7 Rxb7 25. Bxd4 Re2 26. Rc8+ Kf7 27. Bc5 Rxa2 28. Rf8+ Kg6 29. Re1 Rf7 30. Re6+ Rf6 31. Rexf6+ gxf6 32. g3 Nc3 33. Kg2 Ne4 34. Bd4 a5 35. Rg8+ Kf7 36. Ra8 Ra3 37. Ra7+ Kg6 38. Rb7 Ra2 39. Rb5 h6 40. Be3 a4 41. bxa4 Rxa4 42. Rb8 Ng5 43. h4 Nf7 44. Rb6 h5 45. Bc5 Ne5 46. Rb7 f4 47. gxf4 Rxf4 48. Rb4 Rxb4 1/2-1/2

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.07.31"]
[Round "5"]
[White "Price, Gwilym"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2217"]
[BlackElo "2118"]
[PlyCount "43"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nd7 6. Nf3 Bxc5 7. Bxc5 Nxc5 8. Qd4 Qb6 9. Nbd2 Ne7 10. Nb3 Nxb3 11. axb3 Qxd4 12. Nxd4 Ng6 13. Nf3 f6 14. exf6 gxf6 15. g3 Bd7 16. Bg2 e5 17. 0-0 Bc6 18. c3 Kf7 19. Rfd1 Rhd8 20. Ne1 f5 21. h4 Kf6 22. Nd3 1/2-1/2

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.07.30"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Bharat Kumar, Balahari"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2118"]
[BlackElo "1989"]
[PlyCount "99"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Nc3 e6 5. Nf3 c5 6. Bxc4 a6 7. a4 Nc6 8. 0-0 cxd4 9. exd4 Be7 10. Bf4 0-0 11. Rc1 Nb4 12. Ne5 Bd7 13. Re1 Bc6 14. Nxc6 bxc6 15. Be5 a5 16. Qf3 Nbd5 17. Bd3 Qb6 18. Qh3 h6 19. Re2 Nd7 20. Qg4 Nxe5 21. dxe5 Qb4 22. Ne4 Rac8 23. h4 Kh8 24. Rc4 Qb3 25. Nc3 Nxc3 26. Rxc3 Qd5 27. Bc2 c5 28. Rd3 Qc6 29. Rg3 Rg8 30. Rf3 Rgf8 31. Rg3 Rg8 32. Qh5 Qe8 33. Qf3 g6 34. h5 Rd8 35. hxg6 fxg6 36. Re4 Bg5 37. Reg4 Qf8 38. Qc3 Qe7 39. f4 Bh4 40. Rh3 g5 41. g3 Qb7 42. Rh2 Rd4 43. gxh4 Rxf4 44. Rhg2 Rf3 45. Be4 Rxc3 46. Bxb7 Rc1+ 47. Kh2 Rb8 48. Bc6 Re1 49. hxg5 h5 50. Rh4 1-0

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.07.29"]
[Round "3"]
[White "Kovalskyi, Roman"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1989"]
[BlackElo "2118"]
[PlyCount "72"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. 0-0 Bd7 8. Re1 Nge7 9. h4 Nf5 10. Bxf5 exf5 11. cxd4 h6 12. Nc3 Be6 13. Qd3 Be7 14. Be3 0-0-0 15. Rec1 Rdg8 16. b4 Kb8 17. Na4 Qd8 18. Bd2 g5 19. Rab1 Ka8 20. b5 Nb8 21. b6 a6 22. hxg5 hxg5 23. Rc7 f4 24. Ne1 Rh6 25. Nc5 Rgh8 26. Kf1 Bxc5 27. dxc5 Rh1+ 28. Ke2 Bd7 29. Kd1 Nc6 30. Qe2 Re8 31. Bc3 d4 32. Bd2 Rxe5 33. Qc4 Qe7 34. Kc2 Rxc5 35. Kb3 Rxc4 36. Kxc4 Qe6+ 0-1

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.07.28"]
[Round "2"]
[White "Yoon, Jacob D"]
[Black "Lebedev, Lion"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2118"]
[BlackElo "1941"]
[PlyCount "51"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h5 8. g5 Ng8 9. Nge2 Bd6 10. Qb3 Qc7 11. c5 Bf8 12. e4 dxe4 13. Bf4 Qc8 14. fxe4 Nd7 15. Bh3 b6 16. cxb6 axb6 17. Bg3 Qa6 18. 0-0 0-0-0 19. Nf4 Ne7 20. Nxg6 Nxg6 21. Rxf7 Qd3 22. Kg2 Qd2+ 23. Rf2 Qxd4 24. Qxe6 Ne7 25. Rd1 Qc5 26. Rxd7 1-0

[Event "BCF-ch Major"]
[Site "Hull"]
[Date "2024.07.27"]
[Round "1"]
[White "Vaidyanathan, Sathya"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1844"]
[BlackElo "2118"]
[PlyCount "76"]
[EventDate "2024.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bf4 Nc6 5. Nf3 Bg4 6. d5 Nd4 7. Be2 Bxf3 8. Bxf3 e5 9. Be3 c5 10. dxc6 bxc6 11. Bxd4 exd4 12. Ne2 Rb8 13. Nxd4 Qa5+ 14. c3 Rxb2 15. Qd3 Ne7 16. 0-0 0-0 17. a4 Rd8 18. h3 c5 19. Ne2 Nc6 20. Rfc1 Bh6 21. Rc2 Ne5 22. Qd1 Nxf3+ 23. gxf3 Rb7 24. Qd5 Re7 25. Nd4 Re5 26. Nc6 Rxd5 27. Nxa5 Rd3 28. Kg2 Bg7 29. Nc6 Rd7 30. Ra3 Rc7 31. Na5 c4 32. Rc1 Kf8 33. Rc2 Ke7 34. Kg3 Kd7 35. Rc1 Kc8 36. Rb1 Bxc3 37. Nxc4 Rxc4 38. Kg4 h5+ 0-1

[Event "ECF Schools-ch"]
[Site "Nottingham"]
[Date "2024.06.28"]
[Round "4.1"]
[White "Korshunov, Sergey And"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2328"]
[BlackElo "2279"]
[PlyCount "83"]
[EventDate "2024.06.27"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Woodbridge School"]
[BlackTeam "City of London School"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h6 6. Qd2 b5 7. 0-0-0 Bb7 8. f3 Nd7 9. Kb1 e6 10. Nh3 Ne7 11. Nf2 Nb6 12. a3 Qd7 13. g4 Rc8 14. d5 exd5 15. Bd4 0-0 16. Bxg7 Kxg7 17. g5 h5 18. Bh3 Qd8 19. exd5 Nbxd5 20. Nfe4 f5 21. gxf6+ Nxf6 22. Ng5 Qe8 23. Ne6+ Kh7 24. Nxf8+ Qxf8 25. Bxc8 Qxc8 26. Rde1 Nf5 27. Ne4 Nxe4 28. fxe4 Ng3 29. Rhg1 Nxe4 30. Qf4 Qe6 31. Rgf1 Bd5 32. Re3 Qe5 33. Qxe5 dxe5 34. Rfe1 Nd2+ 35. Kc1 Nc4 36. Rd3 c6 37. b3 Nxa3 38. Kb2 b4 39. c4 Be6 40. Rxe5 Bf5 41. Re7+ Kh6 42. Rd8 1-0

[Event "ECF Schools-ch"]
[Site "Nottingham"]
[Date "2024.06.28"]
[Round "5.1"]
[White "Yoon, Jacob D"]
[Black "Usharovsky, Ron"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2279"]
[BlackElo "1958"]
[PlyCount "66"]
[EventDate "2024.06.27"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "City of London School"]
[BlackTeam "Tiffin School"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. e3 Bf5 5. Nf3 e6 6. Ne5 Bb4 7. g4 Bg6 8. h4 c5 9. f3 Qa5 10. Qd2 h6 11. Nxg6 fxg6 12. a3 c4 13. Bh3 g5 14. hxg5 hxg5 15. Bxg5 Nbd7 16. Bf4 0-0-0 17. 0-0-0 Bxc3 18. Qxc3 Qxc3 19. bxc3 Rde8 20. Rh2 Rhg8 21. g5 Nh5 22. Bd6 g6 23. Bg4 Ng7 24. e4 b5 25. Rh7 dxe4 26. fxe4 Nf8 27. Rh6 Nh5 28. d5 Kb7 29. Bxf8 Rgxf8 30. Rh7+ Kb6 31. dxe6 Rf4 32. Rd6+ Kc5 33. e5 Rxg4 1-0

[Event "ECF Schools-ch"]
[Site "Nottingham"]
[Date "2024.06.27"]
[Round "2.1"]
[White "Vaddhireddy, Sai"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1896"]
[BlackElo "2279"]
[PlyCount "104"]
[EventDate "2024.06.27"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Altrincham Grammar School"]
[BlackTeam "City of London School"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Bg4 5. e3 e5 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Ng5 Nh6 9. Be2 Bxe2 10. Kxe2 Nd7 11. Rd1 Kc8 12. Bd2 Re8 13. Rac1 f6 14. Nge4 Nf7 15. g4 c6 16. b4 Bf8 17. b5 Nd6 18. Nxd6+ Bxd6 19. Ne4 Bc7 20. Bb4 f5 21. gxf5 gxf5 22. Ng3 c5 23. Bc3 Rf8 24. e4 fxe4 25. Nxe4 b6 26. Rd5 a6 27. Rcd1 Rf7 28. Ng5 Re7 29. bxa6 Rxa6 30. R5d2 Ra4 31. Kd3 Nf6 32. f3 Rd7+ 33. Ke2 Rxc4 34. Bb2 Ra4 35. Ne6 Rxd2+ 36. Rxd2 Nd7 37. Bc3 Rh4 38. Ke3 b5 39. Rb2 b4 40. Be1 Rh6 41. Nxc7 Kxc7 42. Bg3 Rb6 43. Ke4 Kd6 44. Rd2+ Ke6 45. Bf2 Nf6+ 46. Kd3 Rd6+ 47. Kc2 Rxd2+ 48. Kxd2 Kd5 49. Kc2 Nh5 50. Be3 Nf4 51. Kb3 Nd3 52. Kc2 Ne1+ 0-1

[Event "ECF Schools-ch"]
[Site "Nottingham"]
[Date "2024.06.27"]
[Round "3.1"]
[White "Yoon, Jacob D"]
[Black "Makkar, Rajat"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2279"]
[BlackElo "2602"]
[PlyCount "62"]
[EventDate "2024.06.27"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "City of London School"]
[BlackTeam "Hampton School"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. Nb5 Bb4+ 5. c3 Ba5 6. b4 Bb6 7. e3 a5 8. Bd3 0-0 9. Nf3 Na6 10. bxa5 Bxa5 11. Qc2 c6 12. Nd6 Nb4 13. cxb4 Bxb4+ 14. Nd2 Bxd6 15. Bxd6 Qxd6 16. f4 b6 17. Nb3 Ba6 18. Bxa6 Rxa6 19. 0-0 Rc8 20. Rfc1 c5 21. Qb2 c4 22. Nd2 Qa3 23. Qc3 b5 24. Nb1 Qxc3 25. Nxc3 b4 26. Nd1 Kf8 27. Rab1 Ra4 28. Rc2 Ne4 29. Nf2 Nc3 30. Rbb2 Rca8 31. Kf1 Rxa2 0-1

[Event "ECF Schools-ch"]
[Site "Nottingham"]
[Date "2024.06.27"]
[Round "1.1"]
[White "Yoon, Jacob D"]
[Black "Sanfey, Gregor"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2279"]
[BlackElo "1767"]
[PlyCount "43"]
[EventDate "2024.06.27"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "City of London School"]
[BlackTeam "The Latymer School"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 b6 2. c4 Bb7 3. Nf3 e6 4. g3 f5 5. Bg2 Nf6 6. 0-0 Be7 7. Nc3 d6 8. Qc2 Qc8 9. c5 dxc5 10. dxc5 Bxc5 11. b4 Bd6 12. Nb5 Nc6 13. Rd1 Ke7 14. Nxd6 cxd6 15. Bf4 Ne5 16. Qa4 Nxf3+ 17. Bxf3 d5 18. Rac1 Qe8 19. Rc7+ Kd8 20. Qc2 Ba6 21. Rxg7 Rc8 22. Bc7+ 1-0

[Event "ENG-ch Chessable"]
[Site "Kenilworth"]
[Date "2023.05.29"]
[Round "7"]
[White "Green, Michael"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "1917"]
[BlackElo "2035"]
[PlyCount "60"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. b4 f6 4. e3 e5 5. a3 c5 6. bxc5 Nc6 7. d3 dxe3 8. Bxe3 Bxc5 9. Be2 Nd4 10. Bxd4 Bxd4 11. Nxd4 Qxd4 12. Ra2 Ne7 13. Nd2 Nc6 14. 0-0 0-0 15. Nb3 Qd6 16. c5 Qd8 17. d4 Be6 18. Rd2 Nxd4 19. Nxd4 exd4 20. Bf3 Qc7 21. Rxd4 Qxc5 22. Bxb7 Rab8 23. Bd5 Bxd5 24. Rxd5 Qxa3 25. Qa1 Qe7 26. Re1 Qf7 27. Red1 Rb7 28. g3 g6 29. Qa4 Qe6 30. Rd6 Qb3 1/2-1/2

[Event "ENG-ch Chessable"]
[Site "Kenilworth"]
[Date "2023.05.28"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Derakhshani, Borna"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2035"]
[BlackElo "2359"]
[PlyCount "98"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bxf6 exf6 5. Nf3 c6 6. e3 Bd6 7. Bd3 Bg4 8. h3 Be6 9. Nh4 g6 10. f4 f5 11. Nf3 Nd7 12. Ne5 Nf6 13. g4 Ne4 14. Bxe4 Qh4+ 15. Kd2 fxe4 16. Qe1 Qe7 17. Qf2 0-0-0 18. f5 gxf5 19. gxf5 Bd7 20. Nxd7 Qxd7 21. Rag1 Rhg8 22. Ne2 Rg5 23. Rxg5 hxg5 24. Rg1 f6 25. Rg2 Rh8 26. Ng1 c5 27. dxc5 Bxc5 28. c3 Qa4 29. a3 Qb5 30. Kc1 Qd3 31. Rg3 Rh4 32. Qd2 Qf1+ 33. Kc2 Qxf5 34. Rg2 Qf1 35. Kb3 Qc4+ 36. Kc2 Bd6 37. Qd4 Qxd4 38. cxd4 Kd7 39. Kd2 Ke6 40. Ke2 Rh8 41. Kd1 Kf5 42. Rf2+ Kg6 43. Ke2 f5 44. Kf1 f4 45. exf4 gxf4 46. Ne2 f3 47. Ng1 Rc8 48. Rd2 e3 49. Rd1 Rc2 0-1

[Event "ENG-ch Chessable"]
[Site "Kenilworth"]
[Date "2023.05.28"]
[Round "5"]
[White "Yoon, Jacob D"]
[Black "Khandelwal, Ankush"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2035"]
[BlackElo "2205"]
[PlyCount "54"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Qd2 Bg7 5. Bh6 0-0 6. Bxg7 Kxg7 7. e3 c5 8. dxc5 Qa5 9. Ne4 Qxd2+ 10. Nxd2 a5 11. c4 Rd8 12. Ngf3 Na6 13. cxd5 Nxc5 14. Rc1 Rxd5 15. Bc4 Rd8 16. Nb3 Na4 17. Bb5 Nxb2 18. Ke2 a4 19. Nbd4 Bg4 20. Rc2 a3 21. h3 Bxf3+ 22. Nxf3 Nd5 23. Ne5 Ra5 24. Bc4 Nb4 25. Nxf7 Rc8 26. Rxb2 axb2 27. Bb3 Rc1 0-1

[Event "ENG-ch Chessable"]
[Site "Kenilworth"]
[Date "2023.05.27"]
[Round "4"]
[White "Wells, Peter K"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2356"]
[BlackElo "2035"]
[PlyCount "51"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Nc3 e6 5. Bg5 f6 6. cxd5 exd5 7. Bf4 g5 8. Bd2 Qd7 9. e3 h5 10. Bd3 Nge7 11. Na4 b6 12. Rc1 h4 13. h3 Bf5 14. Bxf5 Qxf5 15. Ng1 Qe4 16. f3 Qe6 17. Ne2 Nf5 18. 0-0 Bb4 19. e4 Bxd2 20. Qxd2 Nfe7 21. Nac3 0-0-0 22. Rfe1 Qd7 23. exd5 Nxd5 24. Nxd5 Qxd5 25. Qc2 Kb7 26. Red1 1/2-1/2

[Event "ENG-ch Chessable"]
[Site "Kenilworth"]
[Date "2023.05.27"]
[Round "3"]
[White "Yoon, Jacob D"]
[Black "Alldritt, Nigel RE"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2035"]
[BlackElo "1954"]
[PlyCount "139"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 0-0 6. c4 a5 7. b5 c5 8. Bb2 Nbd7 9. Rc1 cxd4 10. Bxd4 Re8 11. Be2 e5 12. Ba1 e4 13. Nd4 Ne5 14. c5 Bg4 15. 0-0 Nd3 16. Rc3 Bxe2 17. Qxe2 Nd7 18. c6 bxc6 19. bxc6 N7c5 20. N2b3 Nxb3 21. Rxb3 Rc8 22. Rxd3 exd3 23. Qxd3 Qb6 24. Rc1 Re4 25. h3 Bxd4 26. Bxd4 Rxd4 27. Qxd4 Rxc6 28. Qxb6 Rxb6 29. Rc5 a4 30. Ra5 Rb4 31. a3 Rc4 32. Kf1 d4 33. exd4 Rxd4 34. Ke2 Rc4 35. g3 Rc2+ 36. Ke1 Rc4 37. Kd2 Kg7 38. Kd3 Rc1 39. Rxa4 Ra1 40. Ra7 g5 41. a4 h5 42. Ke4 h4 43. gxh4 gxh4 44. Kf4 Rf1 45. f3 Rg1 46. a5 Rg3 47. Rb7 Rxh3 48. Rb1 Rh2 49. Ra1 Rb2 50. Kg4 Rb7 51. a6 Ra7 52. Kxh4 Kf6 53. Kg4 Kg6 54. Kf4 Kf6 55. Ke4 Ke6 56. Ra2 Kd6 57. Kf5 Kd5 58. f4 Kd4 59. Kf6 Kd5 60. f5 Kd6 61. Rd2+ Kc5 62. Kg7 Rxa6 63. Kxf7 Ra1 64. f6 Rg1 65. Kf8 Kc6 66. Rd4 Rg2 67. f7 Kc5 68. Re4 Kd5 69. Re1 Kd6 70. Ke8 1-0

[Event "ENG-ch Chessable"]
[Site "Kenilworth"]
[Date "2023.05.26"]
[Round "2"]
[White "Fellowes, Billy"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "1824"]
[BlackElo "2035"]
[PlyCount "79"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[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 d6 4. d4 cxd4 5. Qxd4 Bd7 6. Bxc6 bxc6 7. Nc3 e5 8. Qd3 Be7 9. 0-0 Nf6 10. Bg5 Qc7 11. Rad1 Bg4 12. Bxf6 gxf6 13. h3 Bh5 14. Ne2 Qb6 15. Nh4 Rd8 16. Nf5 Rg8 17. c4 Qxb2 18. Rd2 Bxe2 19. Rxe2 Qb7 20. Rb1 Qa6 21. Reb2 d5 22. exd5 cxd5 23. Rb5 d4 24. Rb7 Bc5 25. Nh6 Rg7 26. Rb8 Qc6 27. f3 Bb6 28. Rxd8+ Kxd8 29. Nf5 Rg8 30. Qa3 Re8 31. Nd6 Re7 32. Nf5 Rd7 33. Qf8+ Kc7 34. Ne7 Qc5 35. Qc8+ Kd6 36. Nf5+ Ke6 37. Ng7+ Ke7 38. Nf5+ Ke6 39. Ng7+ Kd6 40. Nf5+ 1/2-1/2

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.10"]
[Round "7"]
[White "Turner, Max N"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2264"]
[BlackElo "2050"]
[PlyCount "33"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. exd5 exd5 7. dxc5 0-0 8. 0-0 Bxc5 9. Nb3 Bb6 10. Bf4 Bg4 11. c3 Nc6 12. Bc2 Ne4 13. Bxe4 dxe4 14. Qxd8 Raxd8 15. Ne5 Nxe5 16. Bxe5 Be6 17. Rfd1 1/2-1/2

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.10"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "James, Russell A"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2050"]
[BlackElo "2068"]
[PlyCount "91"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 f5 3. h4 c6 4. Bg5 Qb6 5. Nbd2 Nf6 6. e3 Qxb2 7. Bd3 Ne4 8. Nxe4 fxe4 9. Bxe4 d5 10. Bd3 Qc3+ 11. Nd2 Be6 12. Rb1 b6 13. Bf4 Nd7 14. Qc1 b5 15. Bc7 Rc8 16. Rb3 Qxb3 17. cxb3 Rxc7 18. Bxb5 Kd8 19. Bd3 g6 20. Nf3 Bh6 21. h5 g5 22. e4 Rg8 23. e5 Nf8 24. Qc2 Rg7 25. b4 Rf7 26. Nd2 g4 27. Nb3 g3 28. fxg3 Be3 29. Rf1 Rxf1+ 30. Kxf1 Bg4 31. Be2 Bc8 32. Qd3 Bh6 33. Qf3 Ke8 34. Ke1 Ne6 35. Qc3 Ng5 36. b5 Ne4 37. Qa5 Rb7 38. bxc6 Rxb3 39. axb3 Bd2+ 40. Qxd2 Nxd2 41. Kxd2 h6 42. Kc3 a5 43. b4 axb4+ 44. Kxb4 Bf5 45. Kc5 Be6 46. Kb6 1-0

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.09"]
[Round "5"]
[White "Madhavan, Sanjith1"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1961"]
[BlackElo "2050"]
[PlyCount "31"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. 0-0-0 Bb7 7. f3 Nd7 8. h4 h6 9. Nh3 e6 10. Nf4 Ne7 11. Kb1 Nb6 12. b3 Qd7 13. g4 c5 14. Bh3 Qc7 15. dxc5 dxc5 16. Nce2 1/2-1/2

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.09"]
[Round "4"]
[White "Yoon, Jacob D"]
[Black "Turner, Lewis A"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2050"]
[BlackElo "1825"]
[PlyCount "82"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 g6 2. b3 Bg7 3. d4 Nf6 4. Bb2 0-0 5. e3 d6 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. c4 d5 10. Nd2 Nxd4 11. Bxd4 Re8 12. f4 h5 13. h3 dxc4 14. Nxc4 Ne4 15. Bxg7 Kxg7 16. Bf3 Ng3 17. Qxd8 Rxd8 18. Rfd1 Be6 19. Kf2 h4 20. Bxb7 Rxd1 21. Rxd1 Rb8 22. Na5 f6 23. e4 Rh8 24. a3 Rh5 25. b4 Rb5 26. Bc6 Rb6 27. b5 a6 28. a4 axb5 29. axb5 Kf7 30. Rd4 Ba2 31. Nb7 f5 32. Nc5 fxe4 33. Nd7 e3+ 34. Kxe3 Nf5+ 35. Kd3 Bb1+ 36. Kc3 Nxd4 37. Kxd4 Rxc6 38. bxc6 Ke8 39. Nb6 Kd8 40. Nd5 e6 41. Nc3 Kc7 1-0

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.08"]
[Round "2"]
[White "Sandhu, Manvith"]
[Black "Yoon, Jacob D"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1860"]
[BlackElo "2050"]
[PlyCount "76"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. a3 Nd7 7. Nf3 Bb7 8. Bd3 Rc8 9. 0-0 c5 10. Rfe1 Ngf6 11. Bh6 0-0 12. Bxg7 Kxg7 13. Bf1 b4 14. axb4 cxb4 15. Nd1 Qb6 16. Bd3 e5 17. d5 Nc5 18. b3 Nxd3 19. Qxd3 a5 20. Qd2 Ba6 21. Nb2 Rc7 22. Rac1 Rfc8 23. h3 Bb5 24. Re3 Rc3 25. Nd3 Bxd3 26. Rxd3 Nxe4 27. Qe2 Rxd3 28. Qxe4 Rxb3 29. h4 Rbc3 30. h5 R8c4 31. Qe2 b3 32. Nd2 Rxc2 33. h6+ Kxh6 34. Qxc4 Rxc4 35. Rxc4 b2 36. Rh4+ Kg7 37. Ra4 b1Q+ 38. Nxb1 Qxb1+ 0-1

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.08"]
[Round "3"]
[White "Yoon, Jacob D"]
[Black "Fava, Lorenzo"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2050"]
[BlackElo "2107"]
[PlyCount "88"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 c5 5. Nf3 Nc6 6. Be3 Bg4 7. d5 Nd4 8. Be2 Nxe2 9. Qxe2 Nf6 10. h3 Bxf3 11. Qxf3 Nd7 12. Qe2 Bxc3+ 13. bxc3 Qa5 14. Qb2 Ne5 15. Qb5+ Qxb5 16. cxb5 b6 17. a4 a6 18. Ke2 axb5 19. axb5 Kd7 20. f4 Nc4 21. Kd3 Na3 22. c4 Ra4 23. Ra2 Rha8 24. Rha1 R4a7 25. Rb2 Kc7 26. Rc1 e6 27. Rc3 Ra4 28. Rbb3 f5 29. e5 exd5 30. cxd5 R8a5 31. e6 Nxb5 32. Rc1 Ra3 33. Rxa3 Rxa3+ 34. Kd2 Kb7 35. Rb1 Nc7 36. Bxc5 dxc5 37. e7 Ra4 38. Re1 Rd4+ 39. Kc3 Ne8 40. Re5 Kc7 41. g4 Rxf4 42. gxf5 Rxf5 43. Re1 Rxd5 44. Rf1 Rf5 0-1

[Event "Leamington Spa 4NCL op 26th"]
[Site "Leamington Spa"]
[Date "2021.09.12"]
[Round "4"]
[White "Alizada, Eldar"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "E87"]
[WhiteElo "1922"]
[BlackElo "2116"]
[PlyCount "118"]
[EventDate "2021.09.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. Bg5 Qe8 10. exf5 gxf5 11. Bd3 a6 12. Nge2 Nd7 13. Ng3 f4 14. Nge4 Nhf6 15. Bh4 Qh5 16. Bf2 Nxe4 17. Nxe4 Nf6 18. 0-0-0 Nxe4 19. Bxe4 Bd7 20. g4 Qe8 21. Kb1 Bf6 22. h4 Be7 23. Rc1 c5 24. b4 b6 25. bxc5 bxc5 26. Ka1 Qc8 27. Rb1 Qc7 28. Rb2 Rfb8 29. Rhb1 Rxb2 30. Qxb2 Qa5 31. Be1 Qa4 32. Qc2 Qxc2 33. Bxc2 Ra7 34. Rb8+ Kg7 35. Ba5 Bxg4 36. fxg4 Bxh4 37. Rc8 Kh6 38. Rc7 Rxc7 39. Bxc7 Be7 40. Ba5 Kg5 41. Bxh7 Kxg4 42. Kb1 f3 43. Be1 Kf4 44. Bd2+ Kg3 45. Kc2 f2 46. Bd3 Kg2 47. Be4+ Kg1 48. Be3 Bg5 49. Bxf2+ Kxf2 50. Kd3 Ke1 51. Bf3 Bh6 52. a4 a5 53. Bh5 Kf2 54. Ke4 Bf8 55. Kd3 Be7 56. Ke4 Bg5 57. Kd3 Kg3 58. Ke4 Bh6 59. Bd1 Bf8 1/2-1/2

[Event "Leamington Spa 4NCL op 26th"]
[Site "Leamington Spa"]
[Date "2021.09.12"]
[Round "5"]
[White "Yoon, Jacob D"]
[Black "Shearsby, Jude"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2116"]
[BlackElo "1762"]
[PlyCount "33"]
[EventDate "2021.09.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 a6 5. f4 b5 6. Nf3 Bb7 7. Bd3 Nd7 8. 0-0 Ngf6 9. e5 Nd5 10. Nxd5 Bxd5 11. a4 b4 12. c4 bxc3 13. bxc3 Nb6 14. a5 Nc4 15. Qa4+ Qd7 16. Bxc4 Qxa4 17. Rxa4 1-0

[Event "Leamington Spa 4NCL op 26th"]
[Site "Leamington Spa"]
[Date "2021.09.11"]
[Round "2"]
[White "Bezuidenhout, Roland Reinhold"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2196"]
[BlackElo "2116"]
[PlyCount "180"]
[EventDate "2021.09.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 exd5 6. Bd3 c5 7. dxc5 Bxc5 8. Nf3 0-0 9. 0-0 Be6 10. Ne2 Nc6 11. c3 Bd6 12. h3 h6 13. Bh4 Rc8 14. Ned4 Nxd4 15. Nxd4 g5 16. Bg3 Ne4 17. Bxe4 Bxg3 18. fxg3 dxe4 19. Nxe6 fxe6 20. Rxf8+ Kxf8 21. Qe2 Qd3 22. Re1 Qxe2 23. Rxe2 Rd8 24. Kf2 Ke7 25. g4 Kf6 26. Rxe4 Rd2+ 27. Re2 Rxe2+ 28. Kxe2 Ke5 29. Ke3 Kd5 30. g3 a5 31. h4 b5 32. Kd3 a4 33. b3 a3 34. Ke3 Ke5 35. c4 bxc4 36. bxc4 Kd6 37. Kd4 e5+ 38. Ke4 Kc5 39. Kxe5 Kxc4 40. hxg5 hxg5 41. Kf5 Kc3 42. Kxg5 Kb2 43. Kh6 Kxa2 44. g5 Kb2 45. g6 a2 46. g7 a1Q 47. g8Q Qh1+ 48. Kg7 Qh3 49. Qb8+ Kc3 50. Qe5+ Kd3 51. Qd5+ Ke3 52. Qg5+ Kd3 53. g4 Kd4 54. Qf5 Ke3 55. Kg6 Qh8 56. Qf7 Qd8 57. g5 Qd6+ 58. Kg7 Qd4+ 59. Kh6 Qh4+ 60. Qh5 Qd4 61. Qh3+ Kf2 62. Qf5+ Kg3 63. Qf6 Qh4+ 64. Kg7 Qe4 65. g6 Kg4 66. Kf7 Qb7+ 67. Qe7 Qf3+ 68. Kg8 Qa8+ 69. Kg7 Qa1+ 70. Qf6 Qa7+ 71. Kh6 Qe3+ 72. Kh7 Qh3+ 73. Kg8 Qb3+ 74. Qf7 Qb8+ 75. Qf8 Qb3+ 76. Kh7 Qb7+ 77. Qg7 Qh1+ 78. Qh6 Qe4 79. Qh2 Kg5 80. Qd2+ Kh5 81. Qd1+ Kg5 82. Qd2+ Kh5 83. Qa5+ Kg4 84. Qc5 Qh1+ 85. Kg8 Qa8+ 86. Kf7 Qb7+ 87. Qe7 Qf3+ 88. Kg8 Qa8+ 89. Qf8 Qd5+ 90. Kh7 Qh1+ 1/2-1/2

[Event "Leamington Spa 4NCL op 26th"]
[Site "Leamington Spa"]
[Date "2021.09.11"]
[Round "3"]
[White "Yoon, Jacob D"]
[Black "Gordon, Frederick"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2116"]
[BlackElo "1456"]
[PlyCount "108"]
[EventDate "2021.09.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Nf3 Bd6 5. c4 0-0 6. Be2 e4 7. Nd4 Bc5 8. Nxc6 dxc6 9. 0-0 Re8 10. f3 Be6 11. Nc3 exf3 12. Bxf3 Qd3 13. Ne2 Ne4 14. Bc1 Bf5 15. Nf4 Qd7 16. Kh1 Rad8 17. d3 Nf6 18. d4 Bd6 19. Nd3 Ne4 20. c5 Bf8 21. Bb2 f6 22. Nf4 Ng5 23. Qe1 Qe7 24. Be2 Qxe3 25. Bc4+ Kh8 26. Qh4 Qd2 27. Rab1 Bxb1 28. Rxb1 h6 29. Bd3 Re3 30. Bg6 Bxc5 31. d5 Bd4 32. Bxd4 Qxd4 33. Bf7 Qe4 34. Bg6 Qe7 35. Bc2 Kg8 36. Qf2 cxd5 37. h4 Nf7 38. Ng6 Qe6 39. Bf5 Qe8 40. Rc1 c6 41. Nf4 Nd6 42. Bb1 Qe5 43. Ng6 Qg3 44. Qc2 Re1+ 45. Rxe1 Qxe1+ 46. Kh2 Ne4 47. Qd3 Kf7 48. h5 Nf2 49. Qf5 Ng4+ 50. Kh3 Ne5 51. Nf4 Re8 52. Kh2 Qh4+ 53. Kg1 Nf3+ 54. gxf3 Qg3+ 0-1

[Event "Leamington Spa 4NCL op 26th"]
[Site "Leamington Spa"]
[Date "2021.09.10"]
[Round "1"]
[White "Yoon, Jacob D"]
[Black "Kumar, Sanjit S"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2116"]
[BlackElo "1702"]
[PlyCount "53"]
[EventDate "2021.09.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 5. exd5 Nd4 6. Qd1 Nxf3+ 7. Qxf3 Nf6 8. c4 Bc5 9. Nc3 Bd4 10. d3 Ng4 11. Be3 Nxe3 12. fxe3 Bxc3+ 13. bxc3 0-0 14. Be2 Qe7 15. 0-0 Rae8 16. e4 b5 17. Qe3 bxc4 18. dxc4 Qa3 19. c5 Rb8 20. c6 Bc8 21. h4 Rb6 22. h5 Ba6 23. h6 g6 24. Qg5 f6 25. Rxf6 Bxe2 26. Rxg6+ Kf7 27. Qf5+ 1-0

[Event "Newcastle Northumbria Masters"]
[Site "Newcastle on Tyne"]
[Date "2021.08.30"]
[Round "9"]
[White "Murphy, Ryan"]
[Black "Yoon, Jacob D"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1977"]
[BlackElo "2116"]
[PlyCount "53"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 Bg4 10. Ne2 0-0 11. h3 Bh5 12. c4 d4 13. Qc2 c5 14. Nf4 Bg6 15. a3 Ba5 16. Bxg6 hxg6 17. Nd3 Rc8 18. b4 Bb6 19. Bg5 Qd7 20. Rfe1 Rfe8 21. Bxf6 gxf6 22. Rxe8+ Qxe8 23. Re1 Qc6 24. g3 cxb4 25. axb4 Qxc4 26. Re8+ Kg7 27. Rxc8 1-0

[Event "Newcastle Northumbria Masters"]
[Site "Newcastle on Tyne"]
[Date "2021.08.30"]
[Round "8"]
[White "Yoon, Jacob D"]
[Black "Clarke, Connor"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2116"]
[BlackElo "1691"]
[PlyCount "89"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Nbd7 4. f3 h6 5. Bh4 c5 6. e4 dxe4 7. d5 Qb6 8. fxe4 Nxe4 9. Nxe4 Qb4+ 10. Nc3 Qxh4+ 11. g3 Qb4 12. Qd2 g6 13. a3 Qa5 14. Nf3 Bg7 15. Bd3 Ne5 16. Nxe5 Bxe5 17. 0-0 h5 18. Qg5 Bd4+ 19. Kg2 Bd7 20. Rxf7 0-0-0 21. Ne4 h4 22. c3 Bf6 23. Nxf6 exf6 24. Qxf6 Qa4 25. c4 Qa5 26. Qf2 hxg3 27. hxg3 Rh6 28. Rf8 Rh8 29. Rxd8+ Qxd8 30. Rh1 Rf8 31. Qxc5+ Kb8 32. Qd6+ Ka8 33. Qe5 Qb6 34. Rf1 Re8 35. Qc3 a6 36. c5 Qd8 37. Bxg6 Re2+ 38. Kg1 Bh3 39. Re1 Rg2+ 40. Kh1 Ka7 41. c6 Qb6 42. cxb7 Rxb2 43. b8Q+ Qxb8 44. Re7+ Rb7 45. Qc5+ 1-0

[Event "Newcastle Northumbria Masters"]
[Site "Newcastle on Tyne"]
[Date "2021.08.29"]
[Round "7"]
[White "Green, Andrew"]
[Black "Yoon, Jacob D"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2154"]
[BlackElo "2116"]
[PlyCount "70"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. e3 b6 5. Nbd2 Be7 6. h3 Bb7 7. Bd3 0-0 8. 0-0 Re8 9. Qe2 d6 10. c3 Nbd7 11. Bh2 Bf8 12. a4 cxd4 13. cxd4 e5 14. Ba6 Qc8 15. Bxb7 Qxb7 16. Rfc1 e4 17. Ne1 Rac8 18. Nc4 Re6 19. Qd1 d5 20. Ne5 Ree8 21. Rxc8 Rxc8 22. Rc1 Ne8 23. f3 Ndf6 24. Rxc8 Qxc8 25. Qc2 Qa6 26. fxe4 Nxe4 27. N1d3 N8d6 28. Nb4 Qb7 29. Qb3 Qc8 30. Qc2 Qe6 31. Qc6 Qh6 32. Nxd5 Qh4 33. Qc1 Qf2+ 34. Kh1 Nf5 35. Ng4 Neg3+ 1/2-1/2

[Event "Newcastle Northumbria Masters"]
[Site "Newcastle on Tyne"]
[Date "2021.08.29"]
[Round "6"]
[White "Yoon, Jacob D"]
[Black "Gillespie, David Paul"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2116"]
[BlackElo "1862"]
[PlyCount "51"]
[EventDate "2021.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Ne5 Bh7 8. Qh5 g6 9. Bc4 e6 10. Qe2 Qe7 11. d4 Nf6 12. Bd2 Nbd7 13. 0-0-0 Bg7 14. Bd3 Rc8 15. Kb1 a6 16. c3 c5 17. Ne4 cxd4 18. cxd4 Nxe4 19. Bxe4 Nxe5 20. dxe5 Bxe5 21. Bxh6 Qb4 22. Bc6+ Rxc6 23. Qxe5 g5+ 24. Ka1 Rg8 25. Bxg5 Rc8 26. Qf6 1-0

