[Event "Tallinn"] [Site "Russia"] [Date "1985.??.??"] [Round "?"] [White "Chermlin"] [Black "Palatnik"] [Result "0-1"] [ECO "B05"] [Annotator "Fritz 11 (57s)"] [PlyCount "86"] [EventDate "1985.??.??"] {B05: Alekhine's Defence: 4 Nf3 Bg4} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. Nc3 Be7 8. h3 Bh5 9. O-O O-O 10. Be3 d5 11. c5 Bxf3 12. Bxf3 Nc4 13. Bf4 Nc6 14. b3 N4a5 15. Rc1 Qd7 {last book move} 16. Qd3 b6 17. Na4 f6 {Secures g5} 18. Bd1 (18. exf6 $142 {and White can hope to live} Bxf6 19. Be3 $14) 18... fxe5 $17 19. Bxe5 Nxe5 20. dxe5 Bg5 21. Bc2 (21. Rc3 Bf4 22. cxb6 axb6 $17 (22... Bxe5 $143 23. bxc7 Bxc3 24. Qxc3 $11)) 21... g6 22. Rce1 Nb7 (22... Nc6 $5 $17) 23. cxb6 axb6 24. g3 {Covers f4+h4} Be7 25. Bb1 b5 { Black threatens to win material: b5xa4} 26. Nc3 {White threatens to win material: Nc3xb5} b4 {Black threatens to win material: b4xc3} 27. Nd1 c5 (27... Na5 28. h4 $15) 28. h4 $15 Rf7 29. Ne3 Na5 (29... Nd8 30. h5 gxh5 31. Qe2 $11) 30. Ng4 (30. h5 gxh5 31. Qd1 h4 $11) 30... Kh8 $15 31. Nh6 {White threatens to win material: Nh6xf7} Rg7 32. Kh2 c4 (32... Nc6 $5 $17) 33. bxc4 $15 Nxc4 { The knight dominates.} 34. Qe2 g5 (34... Qa7 $142 $15) 35. Ng4 (35. h5 $142 $11 {and White can hope to survive}) 35... gxh4 $17 36. Nf6 Bxf6 37. exf6 Rf7 { Black threatens to win material: Rf7xf6} 38. Bd3 (38. Qxe6 $142 $5 {has some apparent merit} Nd2 39. Rh1 hxg3+ 40. fxg3 (40. Kxg3 Rg8+ (40... Nxb1 $6 { is the less attractive alternative} 41. Qxd7 Rxd7 42. Rxb1 $11) 41. Kf4 Qa7 42. Qxf7 Qxf2+ (42... Qxf7 $6 43. Rxh7+ Qxh7 44. Bxh7 Kxh7 45. Kf5 $11) 43. Ke5 Nc4+ 44. Ke6 Qb6+ 45. Kf5 Nd6+ 46. Ke6 Nxf7+ 47. Kxf7 Qc7+ 48. Ke6 Qc6+ 49. Ke5 Rg5+ 50. Bf5 Qc7+ 51. Ke6 Qc8+ 52. Kf7 Qg8+ (52... Rxf5 $4 {will allow a snap mate in 3} 53. Rxh7+ Kxh7 54. Rh1+ Rh5 55. Rxh5#) 53. Ke7 Rxf5 $19) 40... Nf3+ 41. Kg2 Nxe1+ 42. Qxe1 $19) 38... Rxf6 $19 39. Bxc4 dxc4 40. Qxc4 hxg3+ 41. fxg3 Qd2+ 42. Kg1 (42. Re2 Qh6+ 43. Kg2 Rxf1 44. Kxf1 Qh1+ 45. Kf2 Rf8+ 46. Ke3 Qh6+ 47. Kd3 Rf3+ 48. Ke4 Rf5 $15) 42... Rg8 43. Qb3 (43. Qc7 Rf5 44. Rxf5 (44. Rxe6 Rxf1+ (44... Qxa2 $6 {succumbs to} 45. Rxf5 Qxe6 46. Qf4 Rxg3+ 47. Qxg3 Qxf5 48. Qb8+ Kg7 49. Qxb4 $11) 45. Kxf1 Rf8+ (45... Qxa2 {simply mating in 4} 46. Qe5+ Rg7 47. Re8+ Qg8 48. Rxg8+ Kxg8 49. Qe8#) 46. Qf4 Rxf4+ 47. gxf4 Qxf4+ 48. Ke1 Qg3+ 49. Kd2 Qc3+ 50. Kd1 Qa1+ 51. Kc2 Qxa2+ 52. Kd1 Qxe6 53. Kc2 Qc4+ 54. Kd1 b3 55. Kd2 b2 56. Ke3 b1=Q 57. Kf2 Qbf1+ 58. Kg3 Qcf4#) 44... Qxe1+ 45. Rf1 Qxg3+ 46. Qxg3 Rxg3+ 47. Kh1 $19) 43... Rh6 (43... Rh6 44. Rf4 Qxe1+ 45. Kg2 Qh1+ 46. Kf2 Rh2+ 47. Ke3 Qc1+ 48. Kd4 Rd2+ 49. Ke5 Qc5+ 50. Qd5 Qxd5+ 51. Kf6 Rf8+ 52. Ke7 Qd6#) 0-1