[Event "287th Indonesia Chess Festival Team Battle"] [Site "https://lichess.org/1Iq7XqsR"] [Date "2022.11.26"] [White "Ivan_CLC"] [Black "LAEKU"] [Result "0-1"] [UTCDate "2022.11.26"] [UTCTime "07:14:07"] [WhiteElo "2197"] [BlackElo "1720"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D43"] [Opening "Semi-Slav Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c6 2. Nf3 d5 3. c4 e6 4. Nc3 Nf6 { D43 Semi-Slav Defense } 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 dxc4 10. Bxc4 O-O 11. O-O b5?! { (0.25 → 0.89) Inaccuracy. c5 was best. } (11... c5 12. a4 b6 13. a5 Bb7 14. Qe2 Nd7 15. Rfb1 h6 16. h3 Rfc8 17. Ba6 Bxa6 18. Qxa6) 12. Bd3 Na6?? { (0.67 → 2.63) Blunder. Bb7 was best. } (12... Bb7 13. a4) 13. a4 Rb8?! { (2.73 → 3.70) Inaccuracy. b4 was best. } (13... b4) 14. Ne5 Qd6 15. Qh5 f5 16. e4?? { (3.85 → 1.53) Blunder. axb5 was best. } (16. axb5) 16... Nc5 17. exf5?! { (1.71 → 0.62) Inaccuracy. axb5 was best. } (17. axb5 cxb5 18. Rxa7 Rb7 19. Rxb7 Bxb7 20. exf5 Nxd3 21. Nxd3 exf5 22. Qh3 h6 23. Re1 Qa3) 17... exf5? { (0.62 → 1.99) Mistake. Nxd3 was best. } (17... Nxd3 18. Nxd3 b4 19. Nxb4 c5 20. dxc5 Qxc5 21. Rac1 Bb7 22. Rfe1 Rxf5 23. Qe2 Re8 24. Qe3) 18. Bc2? { (1.99 → 0.49) Mistake. axb5 was best. } (18. axb5 Nxd3) 18... Ne4? { (0.49 → 2.18) Mistake. b4 was best. } (18... b4 19. Qe2) 19. axb5 Rxb5 20. Bxe4 fxe4 21. Rxa7 Rb7? { (2.66 → 4.76) Mistake. c5 was best. } (21... c5 22. Rf7 cxd4 23. cxd4 Rd5 24. Rxf8+ Qxf8 25. Rd1 Rd8 26. h3 Qf6 27. Qe2 Bb7 28. Qb2) 22. Ra8? { (4.76 → 2.70) Mistake. Rxb7 was best. } (22. Rxb7 Bxb7 23. Qg4 Ba6 24. Re1 Bd3 25. Qd1 Qd5 26. Nxd3 exd3 27. Qxd3 c5 28. h3 cxd4) 22... Qf6? { (2.70 → 4.88) Mistake. Qd5 was best. } (22... Qd5) 23. Qe2 Be6 24. Rxf8+ Qxf8 25. Qxe4 Bd5 26. Qe3 Re7 27. f4 Qf5 28. Ra1 h6 29. g4? { (5.48 → 2.94) Mistake. Rc1 was best. } (29. Rc1 Bc4 30. h3 Bf7 31. c4 Be8 32. Re1 Bf7 33. Qd2 Qf6 34. Rc1 Ra7 35. d5 cxd5) 29... Qc2 30. f5?? { (3.18 → Mate in 1) Checkmate is now unavoidable. Ra8+ was best. } (30. Ra8+) 30... Qg2# { Black wins by checkmate. } 0-1