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Subject: Fritz 8 annotates

Author: Brian Kostick

Date: 22:24:45 03/24/03


I was looking through this game after Fritz 8 made some comments:

[Event "Corus Chess Tournament 2003"]
[Site "Wijk aan Zee"]
[Date "2003.??.??"]
[Round "?"]
[White "Bareev"]
[Black "Van Wely"]
[Result "0-1"]
[ECO "D97"]
[Annotator "Fritz 8 (90s)"]
[PlyCount "146"]
[EventDate "2003.??.??"]

{D97: Grunfeld: Russian System: 7 e4, replies other than 7...Bg4
} 1. d4 Nf6 2.
c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 {Consolidates b5}
8. Be2 b5 9. Qb3 c5 10. dxc5 Bb7 11. O-O Nxe4 12. Nxe4 Bxe4 13. Bf4 Bd5 14. Qe3
Bxb2 15. Rad1 e6 16. Nd4 Bxd4 17. Rxd4 Nc6 {The knight blocks c5} 18. Rd2 Qf6
19. Rc1 Rfe8 20. h3 e5 21. Bg5 Qe6 22. Bg4 f5 23. Bd1 f4 (23... Bxa2 $2 {
doesn't work} 24. Rd6 $18) 24. Qc3 Nd4 {'the knight is the knight!'} (24...
Bxa2 $2 {is no good because of} 25. Rxa2 {Annihilates a defender: a2} Nd4 26.
Rd2 $18) 25. Bxf4 Bxa2 (25... exf4 {Deflection from d4} 26. Qxd4) 26. c6 {
White advances the passed pawn} Bc4 {Praise the bishop!} 27. c7 Qd6 28. Bg3 Re7
29. Qa5 (29. Bxe5 $142 $5 {must be considered} Qxe5 30. Rxd4 Qxc7 31. Bb3 $11)
29... Rc8 $17 ({Less advisable is} 29... Qxc7 30. Qxc7 Rxc7 31. Bxe5 $14) 30.
Bg4 Rcxc7 31. Rcd1 Nb3 32. Rxd6 Nxa5 33. Bh4 Rf7 34. Rxa6 Nc6 35. Rd6 Nb4 36.
Ra8+ Kg7 37. Bg3 Nd3 38. Rxd3 Bxd3 39. Bxe5+ Kh6 40. Rd8 Rce7 (40... Rc1+ 41.
Kh2 Bc4 42. Bd4 $17) 41. Bd6 (41. Bc3 $142 {is a viable option} Bc2 42. Bd2+ g5
43. h4 $11) 41... Re1+ $17 42. Kh2 Bf5 (42... Rxf2 $2 {is worthless because of}
43. Bg3 Rff1 44. Bxe1 Rxe1 45. Rxd3 $18) 43. Bb4 Re6 44. Bd1 Rc6 45. Bb3 Be6
46. Bd2+ Kg7 47. Bxe6 Rxe6 48. Bc3+ Kh6 49. f4 Rc6 (49... Rxf4 $6 50. Bd2 g5
51. Bxf4 gxf4 52. Rb8 $17) 50. Bd4 g5 ({Instead of} 50... Rxf4 51. Be3 g5 52.
Bxf4 gxf4 53. Rb8 $17) 51. fxg5+ Kxg5 52. Rb8 Rf5 53. Rg8+ Rg6 54. Rh8 h5 55.
Kg3 Rd5 56. Be3+ Kf6+ 57. Kf3 Kg7 58. Rb8 Re6 59. Bf4 (59. Bc1 Kg6 $19) 59...
Rd3+ 60. Kf2 Rb3 61. Rd8 Re4 62. Bd2 Kf6 63. Rf8+ Ke6 64. Rh8 Re5 65. Bf4 Rf5
66. g3 Rc5 67. Be3 Rf5+ $4 {simply marches past the door to victory} (67...
Rcc3 {might be the shorter path} 68. Re8+ Kd7 69. Re4 $19) 68. Bf4 b4 69. Ke2
Ra5 70. Rh6+ Kf7 71. Kd2 (71. Rh7+ Kg8 72. Rd7 $19) 71... Ra2+ 72. Kc1 Rf3 73.
Kb1 b3 (73... b3 74. Rh7+ Kg8 $19) 0-1

After 67. Be3 :

[D]7R/8/4k3/1pr4p/8/1r2B1PP/5K2/8 b - - 0 67


Fritz and some other engines think 67... Rf5+?? Is this effect primarily NULL
move or some other factor?

Thanks,
BK



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