[Event "887 Thursday Junior Arena"] [Site "https://lichess.org/9665PReB"] [Date "2020.04.23"] [White "Petr-2012"] [Black "NikaSi"] [Result "0-1"] [UTCDate "2020.04.23"] [UTCTime "13:00:27"] [WhiteElo "1230"] [BlackElo "1176"] [WhiteRatingDiff "-105"] [BlackRatingDiff "+25"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Polish Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. b4 { A00 Polish Opening } d5 2. h4?! { (-0.20 → -1.27) Inaccuracy. Bb2 was best. } (2. Bb2 Nd7 3. Nf3 e6 4. e3 Ngf6 5. a3 Nb6 6. d4 a5) 2... e5 3. a4? { (-1.00 → -2.30) Mistake. a3 was best. } (3. a3 Nf6 4. e3 Bd6 5. c4 Bg4 6. Qa4+ Nbd7 7. cxd5 Nxd5) 3... Nc6?! { (-2.30 → -1.14) Inaccuracy. Bxb4 was best. } (3... Bxb4 4. c3 Bd6 5. Ba3 Nf6 6. d4 Nc6 7. e3 O-O 8. Nf3) 4. Nc3?? { (-1.14 → -3.07) Blunder. b5 was best. } (4. b5 Na5 5. d3 Nf6 6. e3 Bd6 7. Be2 O-O 8. Nf3 e4) 4... Nxb4 5. Rb1 Na6? { (-3.07 → -1.72) Mistake. Nf6 was best. } (5... Nf6) 6. Nb5? { (-1.72 → -3.06) Mistake. e4 was best. } (6. e4 d4 7. Bxa6 bxa6 8. Nce2 Nf6 9. d3 Bd6 10. c4 O-O 11. Nf3 Bg4 12. Nh2 Be6) 6... c6 7. Rb3?? { (-3.06 → -6.24) Blunder. Nc3 was best. } (7. Nc3 Nf6 8. e3 Nc5 9. d4 exd4 10. exd4 Nce4 11. Nxe4 Nxe4 12. Ne2 Bd6 13. g3 Qe7) 7... cxb5 8. axb5 Nc5 9. Rbh3 Nf6 10. Rf3 Nfe4 11. c4 dxc4 12. Ba3 Nd7 13. Bxf8 Kxf8 14. d3? { (-7.36 → Mate in 2) Checkmate is now unavoidable. Ra3 was best. } (14. Ra3) 14... cxd3?! { (Mate in 2 → -12.48) Lost forced checkmate sequence. Qa5+ was best. } (14... Qa5+ 15. Qd2 Qxd2#) 15. exd3 Nec5 16. Qa4 Nb6 17. Qg4 Bxg4 18. Kd2?! { (-26.10 → Mate in 6) Checkmate is now unavoidable. g3 was best. } (18. g3 Qd4) 18... Be6?! { (Mate in 6 → -26.44) Lost forced checkmate sequence. Qd4 was best. } (18... Qd4 19. Kc2 Nba4 20. Ne2 Qb2+ 21. Kd1 Bxf3 22. gxf3 Nb3 23. d4 Qd2#) 19. Re3?! { (-26.44 → Mate in 7) Checkmate is now unavoidable. Ke1 was best. } (19. Ke1 Qd4) 19... f5?! { (Mate in 7 → -26.20) Lost forced checkmate sequence. Qd4 was best. } (19... Qd4 20. Ke1 Bg4 21. f3 Qxe3+ 22. Kd1 Nb3 23. Kc2 Qd2+ 24. Kb1 Rc8 25. fxg4 Rc1#) 20. Re2?! { (-26.20 → Mate in 5) Checkmate is now unavoidable. Nh3 was best. } (20. Nh3 f4) 20... f4 21. Rxe5 Ba2?! { (Mate in 8 → -20.53) Lost forced checkmate sequence. Nc4+ was best. } (21... Nc4+ 22. Kc2 Qa5 23. dxc4 Qa2+ 24. Kc3 Na4+ 25. Kb4 a5+ 26. bxa6 Qb2+ 27. Kxa4 Rxa6+ 28. Ra5) 22. Re1?! { (-20.53 → Mate in 6) Checkmate is now unavoidable. Rxc5 was best. } (22. Rxc5 Nd5 23. Nh3 Qa5+ 24. Ke2 Qa3 25. Ng5 Re8+ 26. Ne4 Qxc5 27. Kf3 Qb4 28. b6 Qxb6) 22... Nb3+?! { (Mate in 6 → -34.13) Lost forced checkmate sequence. Nc4+ was best. } (22... Nc4+ 23. Kc2 Bb3+ 24. Kb1 Qd4 25. dxc4 Na4 26. Re8+ Rxe8 27. Be2 Qb2#) 23. Ke2?! { (-34.13 → Mate in 7) Checkmate is now unavoidable. Kd1 was best. } (23. Kd1 Qd4 24. Re4 Qa1+ 25. Ke2 Nd5 26. Kf3 Qxf1 27. Rxf4+ Nxf4 28. Kxf4 Qxg2 29. Nf3 Qxh1) 23... Qe8+?! { (Mate in 7 → -33.94) Lost forced checkmate sequence. Nd5 was best. } (23... Nd5 24. d4 Qc7 25. Rd1 Qc3 26. Rd3 Nxd4+ 27. Rxd4 Re8+ 28. Re4 Rxe4+ 29. Kd1 Bb3#) 24. Kd1 Rc8 25. Rh3?! { (-14.56 → Mate in 1) Checkmate is now unavoidable. Rxe8+ was best. } (25. Rxe8+ Kxe8) 25... Bb1?! { (Mate in 1 → -15.36) Lost forced checkmate sequence. Rc1# was best. } (25... Rc1#) 26. d4?! { (-15.36 → Mate in 1) Checkmate is now unavoidable. Rxe8+ was best. } (26. Rxe8+ Kxe8 27. Ne2 Na4 28. Nxf4 Rc1+ 29. Ke2 Nc3+ 30. Kf3 Rxf1 31. b6 axb6 32. g3 Kf7) 26... Bc2# { Black wins by checkmate. } 0-1