[Event "Calcutta"] [Site "Calcutta"] [Date "1853.??.??"] [Round "?"] [White "Bonnerjee Mohishunder (?)"] [Black "John Cochrane (?)"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A06"] [Opening "Zukertort Opening: Old Indian Attack"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d3 d5 2. Nf3 { A06 Zukertort Opening: Old Indian Attack } c5 3. g3 Nc6 4. Bg2 e5 5. O-O Bd6 6. c3 f5 7. e4 fxe4 8. dxe4 d4 9. cxd4 cxd4 10. Na3 Bxa3 11. bxa3 Nf6 12. Qb3 Qe7 13. Rb1 Rb8 14. Nxe5 Nxe5 15. Bf4 Nfd7 16. Rfd1 g5 17. Bxe5 Qxe5 18. Qc4?! { (-0.46 → -1.06) Inaccuracy. Qa4 was best. } (18. Qa4 b5 19. Qb4 Nb6 20. Qxb5+ Qxb5 21. Rxb5 g4 22. Rxd4 Be6 23. Re5 Kf7 24. Rd6 Rhe8) 18... Nb6 19. Rxb6?? { (-1.03 → -3.71) Blunder. Qb4 was best. } (19. Qb4) 19... axb6 20. f4 gxf4 21. gxf4 Qc5 22. Qb3?! { (-4.05 → -5.98) Inaccuracy. Rxd4 was best. } (22. Rxd4 Rf8 23. f5 Bd7 24. Qd5 Qxd5 25. Rxd5 Ke7 26. Rd3 Rbc8 27. Rh3 Rc1+ 28. Kf2 Rc2+) 22... Bg4 23. Rd3 Ke7?! { (-5.89 → -4.64) Inaccuracy. Qc1+ was best. } (23... Qc1+ 24. Bf1 Qxf4 25. Rxd4 Rc8 26. Qg3 Qxg3+ 27. hxg3 Rc3 28. e5 Bd7 29. Bd3 Rxa3 30. Rd6) 24. f5 Qd6 25. Qb2 Rhd8 26. Qd2 Qf6?? { (-4.36 → -1.94) Blunder. Kf7 was best. } (26... Kf7 27. Qg5 Rg8 28. Qd2 Rbd8 29. a4 h6 30. a3 Bh5 31. Kh1 Rc8 32. h3 Rgd8 33. Bf3) 27. h3 Bh5 28. Qb4+?? { (-2.01 → -5.32) Blunder. Qf4 was best. } (28. Qf4 Ke8 29. e5 Qf8 30. Bf1 Bf7 31. Rg3 Rbc8 32. Bb5+ Rc6 33. Qg4 h5 34. Qf3 Qc5) 28... Qd6 29. Qd2 Rg8 30. Rxd4 Rxg2+ 31. Kxg2 Rg8+ 32. Kf1 Be2+ { Black wins. } 0-1