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[Event "Black12 Arena"] [Site "http://chess-academy.net/jJX55jH7"] [Date "2025.02.06"] [Round "-"] [White "PopaIon"] [Black "RomanSereda"] [Result "1-0"] [UTCDate "2025.02.06"] [UTCTime "17:00:02"] [WhiteElo "1500"] [BlackElo "1500"] [WhiteRatingDiff "+162"] [BlackRatingDiff "-163"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Polish Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. b4?! { (0.15 → -0.55) Inaccuracy. Best move was e4. } { A00 Polish Opening } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... d5 2. d4? { (0.09 → -0.95) Mistake. Best move was Bb2. } (2. Bb2 Nf6 3. a3 Bf5 4. e3 e6 5. Nf3 Bd6 6. c4 O-O 7. Nc3 a5 8. b5 Nbd7) 2... Bf5?! { (-0.95 → -0.28) Inaccuracy. Best move was e5. } (2... e5 3. dxe5 Bxb4+ 4. c3 Ba5 5. Nf3 Ne7 6. Ba3 O-O 7. e3) 3. e4? { (-0.28 → -1.96) Mistake. Best move was e3. } (3. e3 e6) 3... Bxe4?! { (-1.96 → -1.24) Inaccuracy. Best move was dxe4. } (3... dxe4) 4. Nd2 Qd7? { (-1.61 → -0.22) Mistake. Best move was Bf5. } (4... Bf5 5. Ngf3 e6 6. a3 Bd6 7. c4 c6 8. Be2 Bc7 9. Bb2 Nf6 10. Nh4 Be4 11. Nxe4) 5. f3? { (-0.22 → -2.15) Mistake. Best move was Ngf3. } (5. Ngf3) 5... Bg6?! { (-2.15 → -1.38) Inaccuracy. Best move was Bf5. } (5... Bf5) 6. a4? { (-1.38 → -3.00) Mistake. Best move was c3. } (6. c3 e6 7. Nb3 Bd6 8. Nh3 Nf6 9. Be2 Qc8 10. O-O Nbd7 11. a4 h6 12. Bf4 O-O) 6... Na6? { (-3.00 → -0.74) Mistake. Best move was e5. } (6... e5 7. b5 exd4 8. Bd3 c5 9. Qe2+ Qe7 10. Qxe7+ Bxe7 11. Ne2 Nd7 12. Kf2 Bd6 13. Nb3) 7. b5? { (-0.74 → -3.47) Mistake. Best move was c3. } (7. c3 e6 8. Ne2 Bd6 9. Nb3 Nb8 10. Nf4 Ne7 11. Bd3 Bxd3 12. Nxd3 O-O 13. O-O Qc8) 7... Nb4 8. a5?? { (-3.03 → -8.47) Blunder. Best move was Bd3. } (8. Bd3) 8... Qxb5?? { (-8.47 → 11.40) Blunder. Best move was Nxc2+. } (8... Nxc2+ 9. Kf2 Nxa1 10. Qa4 Nc2 11. Nb3 e6 12. Nh3 Qe7 13. Nf4 Qb4 14. Qxb4 Nxb4 15. Bd2) 9. Bxb5+ Nc6 10. Nh3 a6 11. Bd3 Nxd4 12. c3 Nb3 13. Nxb3 c6 14. Nc5 b6 15. Na4 bxa5 16. Qe2 O-O-O 17. Nb6+ Kb7 18. Rb1 Ka7?! { (22.73 → Mate in 3) Checkmate is now unavoidable. Best move was Bxd3. } (18... Bxd3 19. Qxd3) 19. Bxa6?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was Nc8+. } (19. Nc8+ Rxc8 20. Qb2 Bxd3 21. Qb7#) 19... Kb8 20. Nxd5+ Ka8 21. Nc7+ Ka7 22. Qb5?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Rb7#. } (22. Rb7#) 22... Bxb1 23. Qb7# { White wins by checkmate. } 1-0