[Event "Kiribati Arena"] [Site "https://lichess.org/3CdHbR7D"] [Date "2019.05.18"] [White "Beia"] [Black "Obanh"] [Result "1-0"] [UTCDate "2019.05.18"] [UTCTime "04:58:18"] [WhiteElo "1441"] [BlackElo "1059"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "120+0"] [ECO "D07"] [Opening "Queen's Gambit Declined: Chigorin Defense, Janowski Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 dxc4 3. Nc3 Nc6?! { (0.00 → 0.89) Inaccuracy. a6 was best. } (3... a6 4. Nf3 b5 5. a4 b4 6. Ne4 Nc6 7. e3 Nf6 8. Nxf6+) 4. Nf3 { D07 Queen's Gambit Declined: Chigorin Defense, Janowski Variation } g5?? { (0.54 → 2.67) Blunder. Nf6 was best. } (4... Nf6 5. e4 Bg4 6. Be3 e6 7. Bxc4 Bb4 8. Qd3 Bh5 9. O-O) 5. Bxg5 Bg7 6. e3 f6?! { (2.65 → 3.60) Inaccuracy. Be6 was best. } (6... Be6 7. Be2 h6 8. Bf4 Nf6 9. e4 O-O 10. d5 Nxe4 11. Nxe4 Bxd5 12. Nc3 Nb4 13. O-O) 7. Bh4 Bf5 8. Bxc4 Nh6 9. O-O a6 10. Rc1 b5?! { (4.27 → 6.06) Inaccuracy. Na5 was best. } (10... Na5 11. Bd3) 11. Bd3?! { (6.06 → 4.19) Inaccuracy. Bd5 was best. } (11. Bd5 Na5 12. Bxa8 Qxa8 13. e4 Be6 14. d5 Bd7 15. Nd4 O-O 16. Nce2 c6 17. Nf4 cxd5) 11... b4? { (4.19 → 6.84) Mistake. O-O was best. } (11... O-O 12. Nxb5 axb5 13. Rxc6 Kh8 14. a3 Qd7 15. Rc5 c6 16. e4 Bg4 17. d5 cxd5 18. Rxd5) 12. Ne2 Bxd3 13. Qxd3 f5?! { (6.14 → 10.17) Inaccuracy. Na5 was best. } (13... Na5 14. Nf4 O-O 15. d5 c5 16. Ne6 Qb6 17. Rxc5 Rfc8 18. Rfc1 Rxc5 19. Rxc5 Nb7 20. Rc7) 14. Rxc6 O-O 15. Qc4+ e6 16. Qxe6+ Nf7 17. Bxd8 Raxd8 18. Rxc7 Rc8?! { (20.28 → Mate in 9) Checkmate is now unavoidable. Rd6 was best. } (18... Rd6 19. Qc4) 19. Rfc1?! { (Mate in 9 → 21.01) Lost forced checkmate sequence. Rxc8 was best. } (19. Rxc8 Rxc8 20. Qxc8+ Bf8 21. Nf4 b3 22. Ne6 Nd8 23. Qxd8 Kf7 24. Nfg5+ Kg6 25. Nf4+ Kg7) 19... Rxc7?! { (21.01 → Mate in 8) Checkmate is now unavoidable. Rce8 was best. } (19... Rce8 20. Qxa6) 20. Rxc7 h6 21. Ne5 Bxe5 22. dxe5 Kg7 23. Nf4 Rd8 24. Qg6+ Kf8 25. Qxf7# { White wins by checkmate. } 1-0