[Event "Nac Sub-11 Varones 2021"] [Site "https://lichess.org/hycw7tuI"] [Date "2021.07.03"] [White "matiasmaturano"] [Black "APoma"] [Result "0-1"] [UTCDate "2021.07.03"] [UTCTime "22:31:46"] [WhiteElo "1064"] [BlackElo "1183"] [WhiteRatingDiff "-19"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "180+2"] [ECO "C47"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C47 Four Knights Game } 4. d3 Bc5 5. Bd2 Ng4 6. Be3?! { (-0.82 → -1.88) Inaccuracy. d4 was best. } (6. d4 exd4 7. Na4 Be7 8. Bf4 Bf6 9. c3 d5 10. Bd3 O-O) 6... Bxe3?! { (-1.88 → -1.10) Inaccuracy. Nxe3 was best. } (6... Nxe3 7. fxe3 Bxe3 8. Nd5 Bh6 9. g4 Ne7 10. Rg1 f6 11. h4) 7. fxe3 Nxe3 8. Qd2 Nxf1 9. Rxf1 Nb4?? { (-1.47 → 0.94) Blunder. d6 was best. } (9... d6 10. O-O-O Be6 11. a4 Qd7 12. d4 exd4 13. Nxd4 f6 14. b3 Nxd4 15. Qxd4 O-O 16. Kb2) 10. O-O-O? { (0.94 → -0.20) Mistake. Nxe5 was best. } (10. Nxe5 O-O 11. a3 Nc6 12. Nc4 d6 13. O-O-O Nd4 14. Qf2 c5 15. Nd5 Bg4 16. Rde1 b5) 10... O-O?! { (-0.20 → 0.89) Inaccuracy. Nc6 was best. } (10... Nc6 11. d4 exd4 12. Nxd4 O-O 13. Nxc6 bxc6 14. e5 Qe7 15. Rde1 Rb8 16. Rf4 d6 17. exd6) 11. Nxe5 { White offers draw } 11... Qe7?! { (0.99 → 1.81) Inaccuracy. d6 was best. } (11... d6 12. Nf3 d5 13. Qf2 Be6 14. a3 Nc6 15. Qg3 f6 16. Nb5 Rf7 17. Nfd4 Nxd4 18. Nxd4) 12. Rxf7?? { (1.81 → -3.51) Blunder. Nc4 was best. } (12. Nc4 d6 13. Ne3 c5 14. g4 f6 15. a3 Nc6 16. Ncd5 Qd8 17. h4 Be6 18. Nf4 Qd7) 12... Rxf7 13. Nxf7 Qxf7 14. b3?! { (-3.53 → -4.57) Inaccuracy. Qg5 was best. } (14. Qg5 h6) 14... Nxa2+?? { (-4.57 → 0.11) Blunder. d6 was best. } (14... d6) 15. Kb2?? { (0.11 → -5.63) Blunder. Nxa2 was best. } (15. Nxa2 d6) 15... Nxc3 16. Qxc3 d6 17. Qd2 Qf6+ 18. Kc1?? { (-5.64 → Mate in 1) Checkmate is now unavoidable. Qc3 was best. } (18. Qc3 Qxc3+) 18... Qa1# { Black wins by checkmate. } 0-1