[Event "Первомайцы 18.12 Arena"] [Site "https://lichess.org/gsd2jkex"] [Date "2021.12.18"] [White "Samsonula1601"] [Black "KoposovIvan"] [Result "0-1"] [UTCDate "2021.12.18"] [UTCTime "15:22:54"] [WhiteElo "1369"] [BlackElo "1357"] [WhiteRatingDiff "-20"] [BlackRatingDiff "+20"] [Variant "Chess960"] [TimeControl "600+0"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "rkbqnnrb/pppppppp/8/8/8/8/PPPPPPPP/RKBQNNRB w KQkq - 0 1"] [SetUp "1"] [Annotator "lichess.org"] 1. b4?? { (0.15 → -1.95) Blunder. e4 was best. } (1. e4 e5 2. a4 a5 3. g3 g6 4. f4 d6 5. Ne3 Ra6) 1... d5 2. Nd3?! { (-1.60 → -2.58) Inaccuracy. Ne3 was best. } (2. Ne3 a5 3. d4 g5 4. Bb2 Ne6 5. c3 axb4 6. cxb4 Nd6 7. g4 Ne4 8. Bxe4 dxe4) 2... Bf5?? { (-2.58 → -0.77) Blunder. a5 was best. } (2... a5 3. c3 axb4 4. cxb4 g5 5. Bb2 Bxb2 6. Kxb2 Nd6 7. Rc1 Nd7 8. Qb3 e5 9. Ne3) 3. Ne3 Bxd3 4. cxd3?? { (-0.60 → -2.40) Blunder. exd3 was best. } (4. exd3 g6 5. c3 Ne6 6. Qf3 Nd6 7. d4 Qd7 8. Nxd5 a5 9. Ne3 axb4 10. Bb2 c6) 4... Nd6?? { (-2.40 → -0.34) Blunder. g6 was best. } (4... g6 5. Bb2 Bxb2 6. Kxb2 Ne6 7. Qb3 c6 8. Nc2 a5 9. e3 Nd6 10. Rgc1 Qc7 11. a3) 5. g3? { (-0.34 → -2.02) Mistake. Bb2 was best. } (5. Bb2 c6) 5... e5?? { (-2.02 → 1.72) Blunder. g6 was best. } (5... g6 6. Nxd5 Bxa1 7. Kxa1 c6 8. Nc3 Ne6 9. e3 Qb6 10. Ba3 Qa6 11. Qa4 Qxd3 12. b5) 6. Nxd5 e4?! { (1.49 → 2.23) Inaccuracy. a5 was best. } (6... a5 7. Bb2) 7. dxe4 Nc4? { (3.19 → 6.01) Mistake. c6 was best. } (7... c6 8. Ne3) 8. d3?! { (6.01 → 4.40) Inaccuracy. Qb3 was best. } (8. Qb3 Nb6 9. Bb2 Ne6 10. O-O Qd7 11. Bg2 O-O 12. d4 Nxd5 13. exd5 Ng5 14. h4 Rfe8) 8... Na3+? { (4.40 → 8.17) Mistake. Nb6 was best. } (8... Nb6) 9. Bxa3 Ne6 10. Nf4 Qd4 11. Bb2 Qxb4 12. Qc1 Nd4 13. Nd5 Qb5?! { (11.06 → Mate in 1) Checkmate is now unavoidable. Qa5 was best. } (13... Qa5 14. Bxd4) 14. e5? { (Mate in 1 → 8.97) Lost forced checkmate sequence. Qxc7# was best. } (14. Qxc7#) 14... Nxe2? { (8.97 → Mate in 1) Checkmate is now unavoidable. Ne6 was best. } (14... Ne6 15. a4) 15. Qe1?? { (Mate in 1 → Mate in 1) Lost forced checkmate sequence. Qxc7# was best. } (15. Qxc7#) 15... Nd4?? { (Mate in 1 → 9.37) Lost forced checkmate sequence. Qxd3# was best. } (15... Qxd3#) 16. Nc3?? { (9.37 → Mate in 2) Checkmate is now unavoidable. Qe4 was best. } (16. Qe4) 16... Qb4?? { (Mate in 2 → 7.58) Lost forced checkmate sequence. Qxd3+ was best. } (16... Qxd3+ 17. Kc1 Qc2#) 17. h4 a5 18. O-O-O Ra6 19. Rf1?! { (6.20 → 4.07) Inaccuracy. Nd5 was best. } (19. Nd5 Qc5+ 20. Kb1 a4 21. Rc1 Qb5 22. Qc3 a3 23. Qxd4 Qxb2+ 24. Qxb2 axb2 25. Rxc7 f6) 19... Rb6 20. a3?? { (4.17 → Mate in 1) Checkmate is now unavoidable. Qd2 was best. } (20. Qd2) 20... Qxb2# { Black wins by checkmate. } 0-1