[Event "Riga ;MAINB"]
[Site "Riga ;MAINB"]
[Date "1957.??.??"]
[Round "?"]
[White "Mikhail Tal (?)"]
[Black "Alexander Koblents (?)"]
[Result "1-0"]
[GameId "lWixiHmf"]
[WhiteElo "?"]
[BlackElo "?"]
[Variant "Standard"]
[TimeControl "-"]
[ECO "B63"]
[Termination "Normal"]
[Annotator "lichess.org"]

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.23] } 2. Nf3 { [%eval 0.28] } 2... d6 { [%eval 0.23] } 3. d4 { [%eval 0.31] } 3... cxd4 { [%eval 0.29] } 4. Nxd4 { [%eval 0.31] } 4... Nf6 { [%eval 0.25] } 5. Nc3 { [%eval 0.25] } 5... Nc6 { [%eval 0.21] } 6. Bg5 { [%eval 0.2] } 6... e6 { [%eval 0.24] } 7. Qd2 { [%eval 0.25] } 7... Be7 { [%eval 0.21] } { B63 Sicilian Defense: Richter-Rauzer Variation, Classical Variation } 8. O-O-O { [%eval 0.24] } 8... O-O { [%eval 0.36] } 9. Nb3 { [%eval 0.06] } 9... Qb6 { [%eval 0.05] } 10. f3 { [%eval 0.23] } 10... a6 { [%eval 0.17] } 11. g4 { [%eval 0.3] } 11... Rd8 { [%eval 0.24] } 12. Be3 { [%eval 0.26] } 12... Qc7 { [%eval 0.28] } 13. h4 { [%eval -0.08] } 13... b5 { [%eval 0.18] } 14. g5 { [%eval 0.31] } 14... Nd7 { [%eval 0.3] } 15. g6?! { (0.30 → -0.31) Inaccuracy. h5 was best. } { [%eval -0.31] } (15. h5 b4 16. Na4 Nc5 17. Naxc5 dxc5 18. Qh2 Rxd1+ 19. Kxd1 Qd8+ 20. Qd2 Bb7 21. g6 Ne5 22. Qxd8+ Rxd8+ 23. Kc1 hxg6 24. hxg6 Nxf3) 15... hxg6 { [%eval 0.1] } 16. h5 { [%eval 0.0] } 16... gxh5 { [%eval 0.0] } 17. Rxh5 { [%eval 0.0] } 17... Nf6 { [%eval 0.45] } 18. Rh1 { [%eval 0.43] } 18... d5?! { (0.43 → 1.08) Inaccuracy. Ne5 was best. } { [%eval 1.08] } (18... Ne5 19. Qh2 Kf8 20. Kb1 Ng6 21. Bd3 b4 22. Ne2 a5 23. f4 Ba6 24. Bxa6 Rxa6 25. f5 a4 26. Nbd4 exf5 27. exf5) 19. e5 { [%eval 1.73] } 19... Nxe5 { [%eval 0.7] } 20. Bf4?? { (0.70 → -1.06) Blunder. Qh2 was best. } { [%eval -1.06] } (20. Qh2 Kf8 21. Qh8+ Ng8 22. Bd4 Bf6 23. Bc5+ Be7 24. Rh7 Bxc5 25. Qxg7+ Ke7 26. Nxc5 Qxc5 27. Qxe5 Nf6 28. Rh6 Ne4 29. fxe4 Qe3+) 20... Bd6 { [%eval -0.96] } 21. Qh2?! { (-0.96 → -1.66) Inaccuracy. Qg2 was best. } { [%eval -1.66] } (21. Qg2 b4 22. Na4 a5 23. Kb1 Bd7 24. Nac5 a4 25. Qh2 Kf8 26. Nxd7+ Qxd7 27. Nc5 Qc7 28. Na6 Rxa6 29. Bxa6 Nxf3 30. Bxd6+ Qxd6) 21... Kf8 { [%eval -1.15] } 22. Qh8+?! { (-1.15 → -2.25) Inaccuracy. Kb1 was best. } { [%eval -2.25] } (22. Kb1 Ke7 23. Qe2 b4 24. Na4 Bd7 25. Nac5 Bb5 26. Qg2 Bxf1 27. Rdxf1 Rg8 28. Re1 Kf8 29. Qg3 Nc4 30. Bxd6+ Qxd6 31. Qxd6+ Nxd6) 22... Ng8?? { (-2.25 → 0.32) Blunder. Ke7 was best. } { [%eval 0.32] } (22... Ke7 23. Qh4 Bb7 24. Nd4 Rh8 25. Qxh8 Rxh8 26. Rxh8 Nd3+ 27. Rxd3 Bxf4+ 28. Kb1 b4 29. Nce2 Be5 30. Bh3 a5 31. Re3 Nd7 32. c3) 23. Rh7 { [%eval -0.09] } 23... f5 { [%eval 0.47] } 24. Bh6 { [%eval 0.24] } 24... Rd7 { [%eval -0.17] } 25. Bxb5 { [%eval 1.03] } 25... Rf7? { (1.03 → 2.84) Mistake. Ng6 was best. } { [%eval 2.84] } (25... Ng6 26. Nd4 Re7 27. Bxg7+ Rxg7 28. Bd7 Qxd7 29. Nxe6+ Ke8 30. Qxg7 Qxe6 31. Nxd5 a5 32. Rhh1 Be5 33. Nc7+ Bxc7 34. Qxc7 Qe3+ 35. Kb1) 26. Rg1 { [%eval 2.75] } 26... Ra7 { [%eval 1.76] } 27. Nd4?! { (1.76 → 0.96) Inaccuracy. Bxa6 was best. } { [%eval 0.96] } (27. Bxa6 Ng4 28. Bxg7+ Rxg7 29. Rxg7 Qxg7 30. Qxg7+ Rxg7 31. Bxc8 Ne3 32. Rxg7 Kxg7 33. Bxe6 Ne7 34. a3 Kf6 35. Nd4 Bf4 36. Nce2 Be5) 27... Ng4 { [%eval 0.76] } 28. fxg4 { [%eval 0.63] } 28... Be5 { [%eval 1.72] } 29. Nc6? { (1.72 → 0.43) Mistake. Be8 was best. } { [%eval 0.43] } (29. Be8 Bxd4 30. Bxf7 Qxf7 31. Rg3 Qc7 32. Rd3 Qc4 33. b3 Qb4 34. Bd2 Be5 35. gxf5 Rf7 36. Rh5 d4 37. f6 Qa3+ 38. Kb1 Bxf6) 29... Bxc3?? { (0.43 → 4.13) Blunder. axb5 was best. } { [%eval 4.13] } (29... axb5 30. Nxe5 Qxe5 31. gxf5 exf5 32. Bd2 Rfe7 33. Re1 Qf6 34. Rxe7 Rxe7 35. Nd1 Re4 36. a3 f4 37. Bb4+ Kf7 38. Rh1 Bg4 39. Nf2) 30. Be3?! { (4.13 → 2.82) Inaccuracy. bxc3 was best. } { [%eval 2.82] } (30. bxc3 f4 31. Rf1 e5 32. Re1 e4 33. Nxa7 Qxc3 34. Bxg7+ Rxg7 35. Qxg7+ Qxg7 36. Rxg7 Kxg7 37. Nxc8 axb5 38. g5 Kg6 39. Kd2 Kf5) 30... d4 { [%eval 4.6] } 31. Rgh1 { [%eval 4.46] } 31... Rd7 { [%eval 5.31] } 32. Bg5?? { (5.31 → 0.00) Blunder. gxf5 was best. } { [%eval 0.0] } (32. gxf5 Qg3 33. fxe6 Qxe3+ 34. Kb1 Qxe6 35. Rf1+ Ke8 36. Rxg7 Rxg7 37. Nxa7+ axb5 38. Qxg7 Bb4 39. Nxc8 Ne7 40. a3 d3 41. cxd3 Kd7) 32... axb5 { [%eval -0.26] } 33. R1h6 { [%eval 0.0] } 33... d3?? { (0.00 → 4.89) Blunder. Qxc6 was best. } { [%eval 4.89] } (33... Qxc6 34. Rf6+ gxf6 35. Bh6+ Rg7 36. Bxg7+ Ke7 37. Bxf6+ Kd6 38. Be5+ Kd5 39. Rxa7 Bxb2+ 40. Kb1 Qc3 41. Bb8 Qe1+ 42. Kxb2 Qc3+ 43. Kb1) 34. bxc3 { [%eval 4.9] } 34... d2+ { [%eval 4.99] } 35. Kd1 { [%eval 5.06] } 35... Qxc6?! { (5.06 → 7.75) Inaccuracy. Rb7 was best. } { [%eval 7.75] } (35... Rb7 36. Rxe6 Rf7 37. Be7+ Rxe7 38. Nxe7 Qxe7 39. Rxe7 Rxe7 40. gxf5 Bxf5 41. Rh2 Be6 42. a3 Rd7 43. Rf2+ Rf7 44. Rxd2 Rd7 45. Rd4) 36. Rf6+ { [%eval 8.0] } 36... Rf7? { (8.00 → Mate in 10) Checkmate is now unavoidable. gxf6 was best. } { [%eval #10] } (36... gxf6 37. Bh6+ Rg7 38. Bxg7+ Ke7 39. Bxf6+ Kd6 40. Be5+ Kc5 41. Bd4+ Kc4 42. Bxa7 Qe4 43. Kxd2 Qf4+ 44. Be3 Qd6+ 45. Ke2 b4 46. gxf5) 37. Qxg7+ { [%eval #9] } { Black resigns. } 1-0