[Event "Canada vs Viet Nam Arena"] [Site "https://lichess.org/ubo42ybj"] [Date "2026.05.23"] [Round "-"] [White "Buidacnguyen2015"] [Black "mianguyen2016"] [Result "1-0"] [GameId "ubo42ybj"] [UTCDate "2026.05.23"] [UTCTime "13:58:37"] [WhiteElo "1202"] [BlackElo "1151"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-36"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... Nc6 { [%eval 0.22] } 3. Bb5 { [%eval 0.15] } 3... Nf6 { [%eval 0.17] } { C65 Ruy Lopez: Berlin Defense } 4. Bxc6 { [%eval -0.13] } 4... dxc6 { [%eval -0.05] } 5. Nc3 { [%eval -0.07] } 5... Bc5 { [%eval 0.1] } 6. d3 { [%eval -0.08] } 6... Ng4 { [%eval 0.41] } 7. O-O { [%eval 0.33] } 7... Nxf2? { (0.33 → 1.97) Mistake. Be6 was best. } { [%eval 1.97] } (7... Be6 8. h3 h5 9. Na4 Be7 10. d4 exd4 11. Qxd4 Qxd4 12. Nxd4) 8. Rxf2 { [%eval 2.38] } 8... Bxf2+ { [%eval 2.26] } 9. Kxf2 { [%eval 2.27] } 9... O-O { [%eval 2.68] } 10. Nxe5?? { (2.68 → -2.41) Blunder. Kg1 was best. } { [%eval -2.41] } (10. Kg1 f5 11. exf5 Bxf5 12. Qe1 c5 13. b3 Bg4 14. Ng5 h6 15. Nge4 b6) 10... c5?? { (-2.41 → 2.80) Blunder. Qd4+ was best. } { [%eval 2.8] } (10... Qd4+ 11. Kg3 Qxe5+ 12. Bf4 Qe7 13. h4 h6 14. Qh5 f5 15. Re1 Bd7 16. e5) 11. Nf3 { [%eval 2.69] } 11... Bg4 { [%eval 3.0] } 12. Kg1 { [%eval 2.52] } 12... Qf6?! { (2.52 → 3.72) Inaccuracy. f5 was best. } { [%eval 3.72] } (12... f5 13. e5 f4 14. Ne4 c4 15. d4 Qd5 16. Nc3 Qe6 17. Qe2 Rad8 18. d5) 13. Nd5 { [%eval 3.34] } 13... Qe6?! { (3.34 → 4.52) Inaccuracy. Qd8 was best. } { [%eval 4.52] } (13... Qd8 14. h3 Bxf3 15. Qxf3 f5 16. exf5 c6 17. Nc3 c4 18. dxc4 Qb6+ 19. Qe3) 14. Qf1?! { (4.52 → 2.91) Inaccuracy. Nxc7 was best. } { [%eval 2.91] } (14. Nxc7 Qb6 15. Nxa8 Rxa8 16. Be3 f5 17. Qe1 Bxf3 18. gxf3 fxe4 19. dxe4 Rd8) 14... c4 { [%eval 2.95] } 15. dxc4?! { (2.95 → 2.16) Inaccuracy. Be3 was best. } { [%eval 2.16] } (15. Be3 cxd3 16. cxd3 Rad8 17. Nd4 Qe5 18. Qf4 Qxf4 19. Nxf4 c6 20. Rc1 g5) 15... Qxe4 { [%eval 1.96] } 16. Nxc7 { [%eval 1.38] } 16... Rac8?! { (1.38 → 2.26) Inaccuracy. Rad8 was best. } { [%eval 2.26] } (16... Rad8 17. Bg5 f6 18. Re1 Qxc2 19. Be3 Bxf3 20. gxf3 Rc8 21. Nd5 Rfe8 22. b3) 17. Nd5 { [%eval 2.18] } 17... f6 { [%eval 2.75] } 18. Nc3?! { (2.75 → 2.09) Inaccuracy. b3 was best. } { [%eval 2.09] } (18. b3 Rfe8 19. Be3 b5 20. Bxa7 bxc4 21. Ne3 Re7 22. Bb6 cxb3 23. axb3 Bxf3) 18... Qc6?! { (2.09 → 3.00) Inaccuracy. Qxc4 was best. } { [%eval 3.0] } (18... Qxc4 19. Qxc4+ Rxc4 20. Nd2 Rc6 21. Nb3 Re8 22. Kf2 Rce6 23. Bd2 Re5 24. Nd4) 19. h3?! { (3.00 → 1.74) Inaccuracy. b3 was best. } { [%eval 1.74] } (19. b3 Rfe8 20. Bd2 Rcd8 21. Be1 Qe6 22. Nd5 Qe4 23. Rc1 b5 24. Ba5 Rc8) 19... Qb6+?! { (1.74 → 3.05) Inaccuracy. Bxf3 was best. } { [%eval 3.05] } (19... Bxf3 20. gxf3 Qc5+ 21. Qf2 Qe5 22. Be3 Rxc4 23. Rd1 b5 24. a3 Re8 25. Bxa7) 20. Kh1 { [%eval 3.09] } 20... Bxf3 { [%eval 2.86] } 21. gxf3?! { (2.86 → 1.73) Inaccuracy. Qxf3 was best. } { [%eval 1.73] } (21. Qxf3 Rfe8 22. Bd2 Qxb2 23. Rb1 Qxc2 24. Qd5+ Kh8 25. Rxb7 Qg6 26. Nb5 Re5) 21... Rcd8?! { (1.73 → 2.98) Inaccuracy. Qd4 was best. } { [%eval 2.98] } (21... Qd4 22. Qg2 Rf7 23. Bh6 Rxc4 24. Rd1 Qb6 25. Nd5 Qe6 26. Be3 Rc8 27. Rd3) 22. Nd5 { [%eval 2.81] } 22... Qd6 { [%eval 3.4] } 23. Bf4 { [%eval 3.32] } 23... Qe6 { [%eval 3.37] } 24. Bc7 { [%eval 3.15] } 24... Rd7 { [%eval 3.7] } 25. Re1 { [%eval 3.48] } 25... Qc6?! { (3.48 → 4.67) Inaccuracy. Qf7 was best. } { [%eval 4.67] } (25... Qf7 26. Bg3 b5 27. b3 bxc4 28. bxc4 Qg6 29. Bd6 Re8 30. c5 Kh8 31. Ne7) 26. Bh2?! { (4.67 → 3.43) Inaccuracy. Ne7+ was best. } { [%eval 3.43] } (26. Ne7+ Rxe7 27. Rxe7 Rf7 28. Rxf7 Kxf7 29. Bg3 Qd7 30. c5 Qf5 31. Qc4+ Qe6) 26... Rdd8? { (3.43 → 6.91) Mistake. Kh8 was best. } { [%eval 6.91] } (26... Kh8 27. Qd3 b5 28. b3 bxc4 29. bxc4 Rb7 30. Kg2 Rb2 31. Re2 Qc8 32. Bg1) 27. Ne7+ { [%eval 7.2] } 27... Kf7 { [%eval 7.18] } 28. Nxc6 { [%eval 7.19] } 28... Rd6 { [%eval 10.13] } 29. Nb4 { [%eval 8.15] } 29... Rb6 { Black offers draw } { [%eval 8.72] } 30. Nd5 { [%eval 8.88] } 30... Re6 { [%eval 9.54] } 31. Rxe6 { [%eval 9.32] } 31... Kxe6 { [%eval #9] } 32. Qe2+ { [%eval 11.26] } 32... Kf7 { [%eval 11.35] } 33. Qe7+ { [%eval 10.41] } 33... Kg8 { [%eval 9.39] } 34. Qe4 { [%eval 9.07] } 34... h6? { (9.07 → Mate in 7) Checkmate is now unavoidable. Kh8 was best. } { [%eval #7] } (34... Kh8 35. Bd6 Rc8 36. Kg2 h6 37. h4 Rg8 38. Qe7 a5 39. Kh3 a4 40. Nf4) 35. Ne7+ { [%eval #6] } 35... Kf7 { [%eval #6] } 36. Qxb7? { (Mate in 6 → 9.68) Lost forced checkmate sequence. Nf5 was best. } { [%eval 9.68] } (36. Nf5 Kg8 37. Bd6 Kh7 38. Bxf8 a6 39. Ng3+ Kh8 40. Qe7 Kg8 41. Qxg7#) 36... Ke6? { (9.68 → Mate in 3) Checkmate is now unavoidable. Rg8 was best. } { [%eval #3] } (36... Rg8 37. Kg1 a5 38. Nxg8+ Kxg8 39. Kf1 a4 40. Ke2 a3 41. Qa8+ Kh7 42. Qxa3) 37. Ng6 { [%eval #3] } 37... f5 { [%eval #1] } 38. Nxf8+ { [%eval #3] } 38... Kf6 { [%eval #3] } 39. Nh7+ { [%eval #4] } 39... Kg6 { [%eval #4] } 40. Nf8+ { [%eval #3] } 40... Kf6 { [%eval #3] } 41. c5 { [%eval #4] } 41... Kg5 { [%eval #3] } 42. c6 { [%eval #4] } 42... Kh4 { [%eval #3] } 43. c7 { [%eval #4] } 43... Kxh3 { [%eval #3] } 44. c8=Q { [%eval #2] } 44... g5 { [%eval #2] } 45. Qxf5+ { [%eval #1] } 45... g4 { [%eval #1] } 46. Qxg4# { White wins by checkmate. } 1-0