[Event "Entrenamiento Montessori"] [Site "https://lichess.org/A7I3cJWk"] [Date "2026.04.07"] [Round "-"] [White "BRIAN1409"] [Black "maria2120catalina"] [Result "1-0"] [GameId "A7I3cJWk"] [UTCDate "2026.04.07"] [UTCTime "22:16:41"] [WhiteElo "1500"] [BlackElo "1286"] [WhiteRatingDiff "+162"] [BlackRatingDiff "-106"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B00"] [Opening "Nimzowitsch Defense: Declined Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... Nc6 { [%eval 0.44] } 2. Nf3 { [%eval 0.1] } { B00 Nimzowitsch Defense: Declined Variation } 2... Nb4?! { (0.10 → 1.13) Inaccuracy. e5 was best. } { [%eval 1.13] } (2... e5 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1) 3. c3 { [%eval 0.98] } 3... Nxa2?? { (0.98 → 4.44) Blunder. Nc6 was best. } { [%eval 4.44] } (3... Nc6 4. d4 d6 5. Bc4 g6 6. Bg5 f6 7. Bd2 Bg7 8. Na3) 4. Rxa2 { [%eval 4.23] } 4... Nf6 { [%eval 4.35] } 5. e5 { [%eval 4.33] } 5... Nh5 { [%eval 5.08] } 6. g4?! { (5.08 → 4.00) Inaccuracy. d4 was best. } { [%eval 4.0] } (6. d4 g6 7. Be2 Ng7 8. h3 d5 9. O-O e6 10. b4 Be7 11. Bd3 O-O) 6... Nf6 { [%eval 4.82] } 7. exf6 { [%eval 4.86] } 7... exf6 { [%eval 5.05] } 8. Qe2+ { [%eval 4.52] } 8... Be7 { [%eval 4.42] } 9. Nd4 { [%eval 4.26] } 9... O-O { [%eval 4.29] } 10. Bg2 { [%eval 4.21] } 10... Kh8 { [%eval 4.87] } 11. O-O { [%eval 4.91] } 11... Kg8 { [%eval 5.42] } 12. f3 { [%eval 4.41] } 12... Re8 { [%eval 4.5] } 13. Na3? { (4.50 → 2.33) Mistake. Qd1 was best. } { [%eval 2.33] } (13. Qd1 d5 14. b4 a5 15. d3 Bd7 16. b5 c5 17. bxc6 bxc6 18. Re2) 13... Rb8?? { (2.33 → 4.88) Blunder. Bxa3 was best. } { [%eval 4.88] } (13... Bxa3 14. Qf2 Bf8 15. f4 d5 16. f5 a5 17. Ra1 b6 18. d3 a4 19. Be3) 14. d3? { (4.88 → 2.73) Mistake. Re1 was best. } { [%eval 2.73] } (14. Re1 d5 15. b4 Bd7 16. Qf2 c5 17. bxc5 Bxc5 18. Rxe8+ Qxe8 19. d3 Bxd4) 14... Rf8?? { (2.73 → 5.53) Blunder. Bxa3 was best. } { [%eval 5.53] } (14... Bxa3 15. Qd1 Bc5 16. f4 f5 17. g5 d6 18. Kh1 c6 19. Ne2 Be6 20. Ra1) 15. Bf4 { [%eval 5.33] } 15... Qe8?! { (5.33 → 7.68) Inaccuracy. Re8 was best. } { [%eval 7.68] } (15... Re8 16. Re1 d6 17. Raa1 c5 18. Nf5 Bxf5 19. gxf5 b5 20. Bg3 Bf8 21. Qd1) 16. Qe4 { [%eval 5.85] } 16... Qd8 { [%eval 6.01] } 17. Re1 { [%eval 5.41] } 17... Qe8?! { (5.41 → 8.52) Inaccuracy. Re8 was best. } { [%eval 8.52] } (17... Re8 18. Qe2 d6 19. Raa1 Bd7 20. Qf2 b5 21. Bd2 c5 22. Ndc2 Qb6 23. d4) 18. Bxc7 { [%eval 8.12] } 18... Qd8 { [%eval 8.17] } 19. Bxd8 { [%eval 8.06] } 19... Bxd8 { [%eval 8.31] } 20. Qf4 { [%eval 8.11] } 20... Be7 { [%eval 9.31] } 21. Nf5 { [%eval 8.95] } 21... Bxa3 { [%eval 8.61] } 22. bxa3 { [%eval 8.69] } 22... d6 { [%eval 8.62] } 23. Ne7+ { [%eval 8.63] } 23... Kh8 { [%eval 8.64] } 24. Qxd6 { [%eval 8.58] } 24... b5 { [%eval 10.57] } 25. Qxb8 { [%eval 10.6] } 25... Bd7?! { (10.60 → Mate in 1) Checkmate is now unavoidable. g5 was best. } { [%eval #1] } (25... g5 26. Nxc8 Kg7 27. d4 h5 28. Qc7 Rxc8 29. Qxc8 a5) 26. Qxf8# { White wins by checkmate. } 1-0