[Event "Bolivia Chess Academy Arena"] [Site "https://lichess.org/Rn7ausWY"] [Date "2026.06.07"] [Round "-"] [White "Santiago_Nieves"] [Black "AndreaMua"] [Result "1-0"] [GameId "Rn7ausWY"] [UTCDate "2026.06.07"] [UTCTime "22:55:39"] [WhiteElo "664"] [BlackElo "1013"] [WhiteRatingDiff "+108"] [BlackRatingDiff "-212"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B07"] [Opening "Czech Defense"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. Nc3 { [%eval -0.04] } 1... c6 { [%eval 0.22] } 2. d4 { [%eval 0.26] } 2... d6 { [%eval 0.62] } 3. e4 { [%eval 0.46] } 3... Nf6 { [%eval 0.83] } { B07 Czech Defense } 4. f4 { [%eval 0.76] } 4... Na6 { [%eval 1.18] } 5. Nf3 { [%eval 1.14] } 5... Be6?! { (1.14 → 1.79) Inaccuracy. g6 was best. } { [%eval 1.79] } (5... g6 6. Bxa6 bxa6 7. e5 Nd5 8. Ne4 Bg7 9. O-O O-O 10. c4 Nb6 11. b3) 6. f5 { [%eval 1.86] } 6... Kd7?? { (1.86 → 6.08) Blunder. Bc8 was best. } { [%eval 6.08] } (6... Bc8 7. Bxa6 bxa6 8. Qe2 g6 9. Bg5 Rb8 10. e5 Nd5 11. Ne4 dxe5 12. dxe5) 7. fxe6+ { [%eval 6.15] } 7... Kc8 { [%eval 6.53] } 8. a4 { [%eval 6.21] } 8... Qa5 { [%eval 6.23] } 9. b4 { [%eval 5.14] } 9... Nxb4 { [%eval 5.05] } 10. exf7 { [%eval 4.59] } 10... Nd7?! { (4.59 → 5.83) Inaccuracy. e5 was best. } { [%eval 5.83] } (10... e5 11. Bd2 exd4 12. Nxd4 Qe5 13. Nf3 Qc5 14. Bd3 Be7 15. Qe2 Nd7 16. e5) 11. Ng5 { [%eval 4.96] } 11... Kc7?! { (4.96 → 6.85) Inaccuracy. e5 was best. } { [%eval 6.85] } (11... e5 12. Bd2 Be7 13. Nf3 Rf8 14. Be2 exd4 15. Na2 d5 16. e5 Rxf7 17. O-O) 12. Nxh7?? { (6.85 → 2.20) Blunder. Ne6+ was best. } { [%eval 2.2] } (12. Ne6+ Kc8 13. Be2 Na6 14. Bd2 Nc7 15. Nb5 Qxd2+ 16. Qxd2 Nxe6 17. Bg4 Nd8) 12... Nf6?? { (2.20 → 4.88) Blunder. Rxh7 was best. } { [%eval 4.88] } (12... Rxh7 13. Bd2 Qh5 14. Qxh5 Rxh5 15. O-O-O e5 16. Be2 Rh7 17. d5 Be7 18. a5) 13. Nxf8?! { (4.88 → 3.65) Inaccuracy. Nxf6 was best. } { [%eval 3.65] } (13. Nxf6 gxf6 14. Rb1 d5 15. Bd2 e6 16. Na2 dxe4 17. Nxb4 Qf5 18. Qe2 Bd6) 13... Ne8?? { (3.65 → 8.19) Blunder. Raxf8 was best. } { [%eval 8.19] } (13... Raxf8 14. Bd2 Qb6 15. Rb1 a5 16. Be3 Rh4 17. Bd3 Ng4 18. Qe2 Nxe3 19. Qxe3) 14. Ne6+ { [%eval 8.0] } 14... Kb8 { [%eval 8.72] } 15. fxe8=Q+ { [%eval 8.72] } 15... Rxe8 { [%eval 8.59] } 16. Nxg7 { [%eval 7.78] } 16... Kc7 { [%eval 7.9] } 17. Nxe8+ { [%eval 7.66] } 17... Kb6 { [%eval 9.0] } 18. d5 { [%eval 8.18] } 18... Na2? { (8.18 → Mate in 8) Checkmate is now unavoidable. Rxe8 was best. } { [%eval #8] } (18... Rxe8 19. Be3+ Kc7 20. Qd2 Kb8 21. Be2 cxd5 22. O-O Rc8 23. Rac1 Qd8 24. Nxd5) 19. Be3+ { [%eval #7] } 19... c5 { [%eval #7] } 20. Nc7? { (Mate in 7 → 7.57) Lost forced checkmate sequence. Qb1+ was best. } { [%eval 7.57] } { White wins on time. } (20. Qb1+ Nb4 21. Qxb4+ Qxb4 22. a5+ Qxa5 23. Rb1+ Qb4 24. Rxb4+ Ka5 25. Rb5+ Ka6) 1-0