Players: Otsuka, Shou vs Costalonga, Riccardo
Replay & analyse this game → Master database[White "Otsuka, Shou"] [Black "Costalonga, Riccardo"] [Result "0-1"] [ECO "B45"] [Opening "Sicilian Defense: Four Knights Variation"] [Date "2026-09-20"] 1. e4 1... c5 2. Nf3 2... e6 3. d4 3... cxd4 4. Nxd4 4... Nf6 5. Nc3 5... Nc6 6. Bf4 6... Bb4 7. Nb5 7... Nxe4 8. Qf3 8... d5 9. Nc7+ 9... Kf8 10. O-O-O 10... Bxc3 11. bxc3 11... Qe7 12. c4 12... Nb4 13. a3? 13... Na2+ 14. Kb2 14... Nac3 15. Rd3 15... Na4+?! 16. Ka2?! 16... Rb8 17. Nxd5 17... exd5 18. Bxb8 18... Qc5?! 19. Rxd5?? 19... Nac3+ 20. Kb2 20... Qb6+ 21. Rb5 21... Nxb5 22. c5 22... Qxc5 23. Qd3 23... Ned6 24. a4 24... Bf5 25. Qb3 25... Qd4+ 26. Kc1 26... Qa1+ 27. Qb1 27... Qxb1+ 28. Kxb1 28... Ke7
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