[Event "PCA Chess Challenge No. 5 Arena"] [Site "https://lichess.org/WxNR7px3"] [Date "2021.04.17"] [White "natpesso"] [Black "StudentPCA"] [Result "1-0"] [UTCDate "2021.04.17"] [UTCTime "20:00:03"] [WhiteElo "1291"] [BlackElo "1278"] [WhiteRatingDiff "+16"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B00"] [Opening "Borg Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 g5?? { (0.05 → 2.03) Blunder. c5 was best. } { B00 Borg Defense } (1... c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2) 2. Nf3? { (2.03 → 0.66) Mistake. d4 was best. } (2. d4 e6 3. c4 d6 4. Be3 h6 5. Nc3 Nc6 6. Nge2 Bd7) 2... Nf6?! { (0.66 → 1.48) Inaccuracy. g4 was best. } (2... g4 3. Ne5 h5 4. d4 Bg7 5. Nc3 d6 6. Nc4 c6 7. Ne3) 3. Nc3?! { (1.48 → 0.90) Inaccuracy. e5 was best. } (3. e5 g4) 3... Ng4?? { (0.90 → 5.00) Blunder. g4 was best. } (3... g4 4. Nh4 d5 5. e5 Ne4 6. d4 c5 7. Bb5+ Nc6 8. O-O) 4. Nxg5 f6? { (4.34 → 8.43) Mistake. d5 was best. } (4... d5 5. Be2 Nh6 6. d4 c6 7. O-O Bg7 8. e5 Nd7 9. Bd3 Nf8 10. Ne2 f6 11. exf6) 5. Nf3? { (8.43 → 4.70) Mistake. Qxg4 was best. } (5. Qxg4 h5 6. Qf5 Rh6 7. Be2 d6 8. Ne6 Bxe6 9. Qxe6 Qd7 10. Qd5 Nc6 11. Bxh5+ Kd8) 5... Nxf2?! { (4.70 → 7.21) Inaccuracy. e6 was best. } (5... e6 6. d4 Nc6 7. Bf4 d6 8. h3 e5 9. Bc1 Nh6 10. Be3 Nf7 11. Bc4 Be7 12. a3) 6. Kxf2 Na6 7. Bc4 Nc5? { (7.67 → Mate in 14) Checkmate is now unavoidable. e6 was best. } (7... e6 8. d4) 8. e5? { (Mate in 14 → 8.12) Lost forced checkmate sequence. Ne5 was best. } (8. Ne5 Nd3+ 9. cxd3 e6 10. Qh5+ Ke7 11. Nd5+ exd5 12. Qf7+ Kd6 13. Qxd5+ Ke7 14. Ng6+ hxg6) 8... Nd3+ 9. cxd3 Rg8 10. g3 Rg4 11. exf6 Rg6?! { (11.09 → Mate in 1) Checkmate is now unavoidable. e6 was best. } (11... e6 12. Ne4 Rg6 13. Ne5 Rxf6+ 14. Kg2 Rf5 15. Rf1 Rxe5 16. d4 Ra5 17. Nf6+ Ke7 18. Qg4) 12. Ne4?! { (Mate in 1 → 10.96) Lost forced checkmate sequence. f7# was best. } (12. f7#) 12... Rg8?! { (10.96 → Mate in 1) Checkmate is now unavoidable. exf6 was best. } (12... exf6 13. Nh4) 13. Nd4?! { (Mate in 1 → 13.90) Lost forced checkmate sequence. f7# was best. } (13. f7#) 13... exf6 14. Qf3 Bc5 15. Nxf6+ Qxf6 16. Qxf6 Bf8?! { (23.33 → Mate in 1) Checkmate is now unavoidable. Bxd4+ was best. } (16... Bxd4+ 17. Qxd4) 17. Qf7+?! { (Mate in 1 → 25.33) Lost forced checkmate sequence. Bf7# was best. } (17. Bf7#) 17... Kd8 18. Qxg8 Ke7?! { (25.49 → Mate in 3) Checkmate is now unavoidable. c6 was best. } (18... c6 19. Qxf8+ Kc7 20. Qe7 a6 21. Qxh7 b6 22. Qe7 Kb7 23. Re1 b5 24. Qd6 Kb6 25. Rh1) 19. Qf7+ Kd8 20. Nf5?! { (Mate in 1 → 33.17) Lost forced checkmate sequence. Qxf8# was best. } (20. Qxf8#) 20... b6?! { (33.17 → Mate in 1) Checkmate is now unavoidable. c6 was best. } (20... c6 21. Qxf8+) 21. Qxf8# { White wins by checkmate. } 1-0