[Event "Aniversario Saco Estudiantes Team Battle"] [Site "https://lichess.org/CZRzznoR"] [Date "2021.10.09"] [White "MathiCajahuanca_4STA"] [Black "EstebanRomero_S4CUB"] [Result "0-1"] [UTCDate "2021.10.09"] [UTCTime "21:45:59"] [WhiteElo "1848"] [BlackElo "1854"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+23"] [Variant "Standard"] [TimeControl "180+2"] [ECO "C48"] [Opening "Four Knights Game: Spanish Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 { C48 Four Knights Game: Spanish Variation } d5?? { (0.00 → 2.81) Blunder. Nd4 was best. } (4... Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Bc5 9. Qe2+) 5. Bxc6+?? { (2.81 → 0.52) Blunder. Nxe5 was best. } (5. Nxe5 Qd6 6. d4 Nxe4 7. Qf3 f5 8. O-O Bd7 9. Bxc6 bxc6) 5... bxc6 6. exd5? { (0.73 → -0.62) Mistake. Nxe5 was best. } (6. Nxe5 dxe4 7. d4 exd3 8. Qf3 Bb7 9. Nxd3 Bd6 10. O-O O-O) 6... cxd5? { (-0.62 → 0.82) Mistake. e4 was best. } (6... e4 7. Ne5 cxd5 8. d4 Bd6 9. O-O h6 10. f4 Ba6 11. Rf2) 7. Qe2? { (0.82 → -0.54) Mistake. Nxe5 was best. } (7. Nxe5 Ba6 8. Qf3 Bc5 9. d3 O-O 10. O-O d4 11. Qc6 Bd6) 7... e4 8. Ng5?? { (-0.92 → -3.13) Blunder. Ne5 was best. } (8. Ne5 Bd6 9. Qb5+ Bd7 10. Nxd7 Qxd7 11. Qxd7+ Kxd7 12. b3 c5) 8... Ng4?? { (-3.13 → 2.47) Blunder. h6 was best. } (8... h6) 9. h3?? { (2.47 → -2.38) Blunder. Qb5+ was best. } (9. Qb5+) 9... Qxg5? { (-2.38 → -1.14) Mistake. Nf6 was best. } (9... Nf6 10. Nf3) 10. hxg4 Bxg4 11. Qb5+ Bd7 12. Qb7 Rd8 13. Qxc7?? { (-1.96 → -5.84) Blunder. Nxd5 was best. } (13. Nxd5 Bd6 14. Ne3 O-O 15. b3 Qe5 16. Rb1 f5 17. Bb2 Qe7 18. g3 f4 19. gxf4 Bxf4) 13... Be7?? { (-5.84 → -2.00) Blunder. Qxg2 was best. } (13... Qxg2 14. Qh2) 14. d4?? { (-2.00 → -6.62) Blunder. Qh2 was best. } (14. Qh2 Bg4) 14... O-O?? { (-6.62 → 7.67) Blunder. Qxg2 was best. } (14... Qxg2) 15. Qxa7?? { (7.67 → -8.30) Blunder. Bxg5 was best. } (15. Bxg5 Bxg5) 15... Qxg2 16. Rf1 Bh4 17. Be3 Bh3?? { (-7.75 → -3.64) Blunder. Bg4 was best. } (17... Bg4) 18. O-O-O Bg4?! { (-3.82 → -2.72) Inaccuracy. Qf3 was best. } (18... Qf3 19. Rg1 Bxf2 20. Bxf2 Qxf2 21. Qc7 Rd7 22. Qg3 Qxg3 23. Rxg3 Be6 24. Ne2 h5 25. Rh1) 19. Rde1 Bh5?? { (-4.33 → 0.67) Blunder. f5 was best. } (19... f5 20. Ne2) 20. Qc5 Bg5?? { (0.51 → 3.50) Blunder. Bf3 was best. } (20... Bf3 21. Nxd5) 21. Bxg5?? { (3.50 → -1.37) Blunder. Rg1 was best. } (21. Rg1 Bxe3+) 21... Qxg5+ 22. Kb1 Qd2?? { (-1.07 → 1.26) Blunder. h6 was best. } (22... h6) 23. Nxd5 Kh8 24. Ne7 Qxd4?? { (1.46 → 7.00) Blunder. Bf3 was best. } (24... Bf3 25. Nc6) 25. Qxh5 Qf6 26. Rxe4 Rb8 27. Rh1?? { (8.20 → Mate in 1) Checkmate is now unavoidable. b3 was best. } (27. b3 h6) 27... Qxb2# { Black wins by checkmate. } 0-1