[Event "WorldChess Gaming"] [Site "worldchess.com"] [Date "2023.08.14"] [Round "5"] [White "Juha Laajo"] [Black "Duc, Nguyen Si Trong"] [Result "0-1"] [GameId "1QMNkRWc"] [WhiteElo "1300"] [BlackElo "1218"] [Variant "Standard"] [TimeControl "-"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Unknown"] [Annotator "lichess.org"] 1. e4 { [%eval 0.36] } 1... b6?! { (0.36 → 0.95) Inaccuracy. e5 was best. } { [%eval 0.95] } { B00 Owen Defense } (1... e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5) 2. d4 { [%eval 0.98] } 2... Bb7 { [%eval 0.75] } 3. Bd3 { [%eval 0.93] } 3... e6 { [%eval 0.97] } 4. c4?! { (0.97 → 0.28) Inaccuracy. Nf3 was best. } { [%eval 0.28] } (4. Nf3 c5 5. c3 d5 6. e5 Qd7 7. Qe2 a5 8. h4 Ba6) 4... Nf6?! { (0.28 → 0.91) Inaccuracy. Nc6 was best. } { [%eval 0.91] } (4... Nc6 5. Nf3 Nb4 6. O-O Nxd3 7. Qxd3 Ne7 8. Bg5 h6 9. Bf4) 5. Nc3 { [%eval 1.13] } 5... Bb4 { [%eval 1.42] } 6. f3?! { (1.42 → 0.50) Inaccuracy. Qc2 was best. } { [%eval 0.5] } (6. Qc2 Bxc3+ 7. bxc3 c5 8. Ne2 d6 9. O-O Nh5 10. h3 Nc6) 6... d5? { (0.50 → 2.22) Mistake. c5 was best. } { [%eval 2.22] } (6... c5 7. d5 Bxc3+ 8. bxc3 Qe7 9. Be2 d6 10. Nh3 Nbd7 11. a4) 7. cxd5 { [%eval 1.62] } 7... exd5 { [%eval 1.32] } 8. Qa4+ { [%eval 1.32] } 8... Nc6 { [%eval 1.42] } 9. Bb5? { (1.42 → 0.00) Mistake. e5 was best. } { [%eval 0.0] } (9. e5 Ng8) 9... Bxc3+?! { (0.00 → 0.96) Inaccuracy. Qd7 was best. } { [%eval 0.96] } (9... Qd7 10. e5 a6 11. Bxc6 Bxc3+ 12. bxc3 Bxc6 13. Qc2 Ba4 14. Qd3 Bb5 15. Qc2 Ba4) 10. bxc3 { [%eval 0.89] } 10... Qd7 { [%eval 0.98] } 11. e5?! { (0.98 → 0.04) Inaccuracy. Ne2 was best. } { [%eval 0.04] } (11. Ne2 dxe4 12. fxe4 a6 13. Bd3 Ne5 14. Qxd7+ Nexd7 15. e5 Be4 16. Bb1 Bxb1 17. exf6 Bd3) 11... Ng8? { (0.04 → 1.39) Mistake. a6 was best. } { [%eval 1.39] } (11... a6 12. exf6) 12. Ne2?! { (1.39 → 0.63) Inaccuracy. Qc2 was best. } { [%eval 0.63] } (12. Qc2 O-O-O 13. f4 Kb8 14. a4 g6 15. Nf3 a6 16. Bd3 Nh6 17. O-O Rde8 18. Nh4 Qd8) 12... Nge7?! { (0.63 → 1.49) Inaccuracy. a6 was best. } { [%eval 1.49] } (12... a6 13. Bd3 Nxe5 14. Qxd7+ Nxd7 15. Kf2 Ne7 16. h4 Nf6 17. Bg5 Kd7 18. Ng3 Ne8 19. Rae1) 13. O-O?! { (1.49 → 0.40) Inaccuracy. Qc2 was best. } { [%eval 0.4] } (13. Qc2 O-O-O 14. O-O Kb8 15. a4 a6 16. Bd3 Na5 17. Ng3 Nc4 18. Re1 Ka7 19. Nh5 g6) 13... O-O? { (0.40 → 2.05) Mistake. a6 was best. } { [%eval 2.05] } (13... a6 14. Bd3 Nxe5 15. Qxd7+ Nxd7 16. Re1 O-O 17. h4 Rfe8 18. h5 h6 19. Kf2 c5 20. g4) 14. Ba3 { [%eval 2.03] } 14... Rfe8 { [%eval 2.12] } 15. f4? { (2.12 → 0.72) Mistake. Qc2 was best. } { [%eval 0.72] } (15. Qc2 Nf5) 15... a6 { [%eval 0.6] } 16. Bd3? { (0.60 → -0.71) Mistake. Bxc6 was best. } { [%eval -0.71] } (16. Bxc6 Bxc6) 16... Nf5?? { (-0.71 → 3.14) Blunder. Nxe5 was best. } { [%eval 3.14] } (16... Nxe5) 17. Rf3 { [%eval 3.19] } 17... g6 { [%eval 3.32] } 18. g4?? { (3.32 → 0.68) Blunder. Bxf5 was best. } { [%eval 0.68] } (18. Bxf5 Qxf5 19. Ng3 Qg4 20. Raf1 b5 21. Qc2 b4 22. Bxb4 a5 23. Bc5 Ba6 24. h3 Qh4) 18... Nh4 { [%eval 0.61] } 19. Rg3 { [%eval 0.46] } 19... b5?? { (0.46 → 2.70) Blunder. Nxe5 was best. } { [%eval 2.7] } (19... Nxe5 20. Qxd7 Nxd7 21. Rh3 c5 22. Re1 Bc6 23. Rxh4 Re3 24. Bc2 Rae8 25. Bd1 Rd3 26. Bc1) 20. Qc2 { [%eval 2.91] } 20... Na5?! { (2.91 → 3.93) Inaccuracy. f6 was best. } { [%eval 3.93] } (20... f6 21. exf6) 21. f5 { [%eval 3.83] } 21... Nc4 { [%eval 3.8] } 22. Bc5?! { (3.80 → 2.74) Inaccuracy. Qc1 was best. } { [%eval 2.74] } (22. Qc1 Nxe5 23. dxe5 d4 24. cxd4 Nf3+ 25. Rxf3 Bxf3 26. Qf4 Bc6 27. Rc1 Qd5 28. Kf2 Qg2+) 22... Qc6 { [%eval 2.85] } 23. Nf4? { (2.85 → 1.21) Mistake. e6 was best. } { [%eval 1.21] } (23. e6) 23... Nxe5 { [%eval 1.47] } 24. fxg6 { [%eval 1.28] } 24... hxg6 { [%eval 1.69] } 25. Qf2 { [%eval 1.36] } 25... Nd7?! { (1.36 → 2.52) Inaccuracy. g5 was best. } { [%eval 2.52] } (25... g5 26. Rf1 Nxd3 27. Nxd3 f6 28. Rh3 Qe6 29. Qxf6 Qxf6 30. Rxf6 Kg7 31. Rf1 Re2 32. Ne5) 26. Re3?? { (2.52 → -4.89) Blunder. Rf1 was best. } { [%eval -4.89] } (26. Rf1 Qf6 27. g5 Qg7 28. Rh3 Nxc5 29. dxc5 d4 30. Rxh4 Re5 31. Qxd4 Rxg5+ 32. Kf2 Re8) 26... Nxc5?! { (-4.89 → -3.66) Inaccuracy. Rxe3 was best. } { [%eval -3.66] } (26... Rxe3 27. Qxe3 Nxc5 28. Rf1 Ne4 29. Qh3 Qxc3 30. Qxh4 Qxd4+ 31. Kg2 Re8 32. Qh6 Qg7 33. Qxg7+) 27. dxc5? { (-3.66 → -6.42) Mistake. Rh3 was best. } { [%eval -6.42] } (27. Rh3 g5 28. Rxh4 Nxd3 29. Nxd3 gxh4 30. Rf1 Qg6 31. h3 a5 32. Ne5 Rxe5 33. dxe5 Qb6) 27... d4 { [%eval -6.45] } 28. Rxe8+ { [%eval -6.58] } 28... Rxe8 { [%eval -6.61] } 29. Qxh4 { [%eval -6.53] } 29... Qh1+ { [%eval -7.2] } 30. Kf2 { [%eval -6.75] } 30... Qxa1 { [%eval -7.16] } 31. Nxg6? { (-7.16 → Mate in 1) Checkmate is now unavoidable. Ne2 was best. } { [%eval #-1] } (31. Ne2 Qd1 32. Qg3 dxc3 33. Qe3 Rxe3 34. Kxe3 Qd2+ 35. Kf2 Qxd3 36. Nxc3 Qf3+ 37. Ke1 Qxc3+) 31... Qe1# { Black wins. } 0-1