[Event "222nd Indonesia Chess Festival Team Battle"] [Site "https://lichess.org/4vhvn2QE"] [Date "2022.09.12"] [White "Experimentator1"] [Black "HermanNias"] [Result "0-1"] [UTCDate "2022.09.12"] [UTCTime "06:36:32"] [WhiteElo "2451"] [BlackElo "1908"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "120+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5?! { (0.00 → 0.98) Inaccuracy. Nf6 was best. } { A43 Benoni Defense: Old Benoni } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. Nf3?! { (0.98 → 0.00) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bc4 Be7 6. Nge2 exd5) 2... cxd4 3. Nxd4 Nc6 4. Nb3?! { (0.25 → -0.30) Inaccuracy. Nc3 was best. } (4. Nc3 Nf6 5. e4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5) 4... Nf6 5. c4 g6 6. Nc3 Bg7 7. e4 O-O?! { (0.00 → 0.64) Inaccuracy. d6 was best. } (7... d6 8. Be2 a5 9. a4 b6 10. Be3 Bb7 11. f3 Nd7 12. Nd4) 8. Be3?! { (0.64 → 0.09) Inaccuracy. Be2 was best. } (8. Be2 d6 9. Be3 Be6 10. Nd4 Nxd4 11. Bxd4 Nd7 12. O-O Bxd4) 8... d6 9. h3 a6 10. Be2 Be6 11. Nd5?? { (0.33 → -1.50) Blunder. O-O was best. } (11. O-O Rc8 12. Rc1 Na5 13. Nd5 Nxb3 14. Qxb3 Nxe4 15. Qxb7 Nc5 16. Qxe7 Bxd5 17. Qxd8 Rfxd8) 11... Nxe4 12. O-O?! { (-1.66 → -2.44) Inaccuracy. Rb1 was best. } (12. Rb1 Nc5 13. Qd2 b5 14. O-O bxc4 15. Bxc4 Ne5 16. Be2 Bxd5 17. Qxd5 e6 18. Qd1 Nxb3) 12... Bxb2 13. Rb1 Bg7 14. Qc2 Nf6 15. Rbd1?! { (-2.25 → -3.58) Inaccuracy. Qd2 was best. } (15. Qd2 Rc8 16. Bb6 Qe8 17. f4 Bf5 18. Rbd1 Ne4 19. Qe1 e6 20. Ne3 Nc3 21. Rxd6 Na4) 15... Bxd5 16. cxd5 Nb4 17. Bf3?? { (-3.53 → -12.72) Blunder. Qc4 was best. } (17. Qc4 a5 18. a3 Rc8 19. Qb5 Nc2 20. Bb6 Qd7 21. Qxa5 Ra8 22. Qd2 Nxa3 23. Ra1 Rfc8) 17... Nxc2 18. Bc1 Nb4 19. a3 Nc2 20. Rd2 Rc8 21. Bd1 Nd4 22. Nxd4 Rxc1 23. h4 Qa5 24. Rd3 Nxd5 25. Nf3 Nf4 26. Re3 Nh5 27. Rxe7 Qxa3 28. Be2 Rxf1+ 29. Bxf1 Qc1 30. Rxb7 Nf6 31. g3 Ne4 32. Kg2?! { (-16.33 → Mate in 9) Checkmate is now unavoidable. Rb4 was best. } (32. Rb4 f5 33. Rb3 Qc2 34. Bc4+ Kh8 35. Nd2 Qxd2 36. Rf3 Bd4 37. Kg2 a5 38. Bd3 Nxf2) 32... Qc2 33. Ng5 Qxf2+ 34. Kh3 Qxf1+ 35. Kg4 Nxg5 36. hxg5 f5+ 37. gxf6 Qxf6 38. Kh3 Qf1+ 39. Kg4 Qf3+ 40. Kh4 Qxb7 41. Kh3 Qh1+ 42. Kg4 Rf4+ 43. Kg5 Qh6# { Black wins by checkmate. } 0-1