[Event "Chess Shield Arena"] [Site "https://playstrategy.org/AKCTutE9"] [Date "2026.10.18"] [P1 "Pacvi"] [P2 "DiegoCoteaux"] [Result "0-1"] [UTCDate "2026.10.18"] [UTCTime "19:39:51"] [P1Elo "1843"] [P2Elo "1856"] [P1RatingDiff "-54"] [P2RatingDiff "+24"] [Variant "Chess"] [TimeControl "3+2"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "playstrategy.org"] 1. c4 Nf6 2. Nc3 g6?! { (0.11 → 0.72) Inaccuracy. The following was best. } (2... e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3) 3. d4 d5 4. Nf3 Bg7 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } Ne4 6. e3? { (0.38 → -0.83) Mistake. The following was best. } (6. Bf4) 6... Nxg5 7. Nxg5 e5 8. Nf3 e4?? { (-0.84 → 0.85) Blunder. The following was best. } (8... exd4 9. exd4 dxc4 10. Bxc4 O-O 11. O-O Nc6 12. d5 Ne7 13. Re1 Nf5 14. h3 Nd6 15. Bd3) 9. Nd2 c6?? { (0.71 → 2.37) Blunder. The following was best. } (9... c5 10. dxc5 Bxc3 11. bxc3 O-O 12. Rb1 Re8 13. h4 Nc6 14. Be2 Re5 15. cxd5 Rxd5 16. c4) 10. Be2?? { (2.37 → 0.39) Blunder. The following was best. } (10. cxd5 O-O 11. Qb3 a5 12. Ndxe4 a4 13. Nxa4 Re8 14. Nac3 cxd5 15. Qxd5 Qxd5 16. Nxd5 Rxe4) 10... O-O 11. Qb3 Qc7?? { (0.08 → 3.38) Blunder. The following was best. } (11... Qg5 12. Kf1 Rd8 13. h4 Qf5 14. Rc1 Na6 15. h5 Qg5 16. cxd5 cxd5 17. Qa4 Be6 18. Qa5) 12. cxd5 c5 13. Nb5?! { (3.50 → 2.38) Inaccuracy. The following was best. } (13. dxc5 Nd7) 13... Qa5?! { (2.38 → 3.45) Inaccuracy. The following was best. } (13... Qe7 14. O-O) 14. dxc5? { (3.45 → 1.87) Mistake. The following was best. } (14. Qc3 Qxc3) 14... Bd7?? { (1.87 → 4.67) Blunder. The following was best. } (14... Nd7 15. Qc2 a6 16. Nd4 Qxc5 17. Qxc5 Nxc5 18. Rc1 Na4 19. Nxe4 Rd8 20. O-O Nxb2 21. Rc2) 15. O-O?? { (4.67 → -4.43) Blunder. The following was best. } (15. Nd4 Na6) 15... Bxb5?? { (-4.43 → -0.23) Blunder. The following was best. } (15... Qxd2 16. Qd1 Qxd1 17. Rfxd1 Na6 18. Rac1 Bxb2 19. Rc2 Be5 20. c6 bxc6 21. dxc6 Be6 22. c7) 16. Qxb5 Qxd2 17. Rfd1?? { (-0.08 → -2.01) Blunder. The following was best. } (17. Qxb7 Nd7 18. Qxd7 Qxe2 19. Qa4 Qxb2 20. Qxe4 Rfd8 21. Rfd1 Bf8 22. Qc4 Qe5 23. Rac1 Rac8) 17... Qc2?? { (-2.01 → 0.62) Blunder. The following was best. } (17... Qxb2) 18. Qxb7 Qxe2?? { (0.30 → 2.88) Blunder. The following was best. } (18... Nd7 19. Qxd7 Qxe2 20. Qa4 Rab8 21. Rab1 Rxb2 22. Rxb2 Bxb2 23. d6 Be5 24. d7 Bc7 25. c6) 19. Qxa8 Bxb2? { (2.86 → 4.86) Mistake. The following was best. } (19... Nd7 20. Qxa7 Ne5 21. c6 Nd3 22. Rf1 Qh5 23. Qd7 Nc5 24. Qe7 Qxd5 25. Rfd1 Nd3 26. Rac1) 20. Rab1 Na6 21. Qb7 Nxc5?! { (5.04 → 7.96) Inaccuracy. The following was best. } (21... Bf6 22. Qb5) 22. Qxb2 Qh5 23. Qd4 Nd3 24. Qxe4 Ne5 25. d6 Rd8 26. Rb7?? { (9.74 → Mate in 1) Your opponent can now force a win. The following was best. } (26. f4) 26... Qxd1# { P2 wins by checkmate. } 0-1