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Subject: Re: Great Blunder by Crafty against Fritz !! PGN

Author: Peter Berger

Date: 03:26:59 07/08/04

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On July 08, 2004 at 05:15:42, Eduard Nemeth wrote:

>On July 08, 2004 at 04:42:33, Eduard Nemeth wrote:
>
>>On July 08, 2004 at 04:19:13, Joachim Rang wrote:
>>
>>>On July 08, 2004 at 04:10:05, Gian-Carlo Pascutto wrote:
>>>
>>>>[Date "2004.07.08"]
>>>>[Round "?"]
>>>>[White "New game"]
>>>>[Black "Deep Fritz 8"]
>>>>[Result "*"]
>>>>[ECO "A07"]
>>>>[Annotator "Wccc2004"]
>>>>[PlyCount "74"]
>>>>[EventDate "2004.??.??"]
>>>>[TimeControl "240+2"]
>>>>
>>>>{188MB, DFritz8.ctg} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O e6 5. d3 Bd6 6. Nbd2
>>>>Ne7 7. b3 O-O 8. Bb2 a5 9. h3 Bh5 10. c4 a4 11. bxa4 Nc5 12. Rb1 b6 13. Ba1
>>>>Nxa4 14. e4 f6 15. d4 c6 16. Re1 dxc4 17. Nxc4 Bc7 18. Qb3 Qd7 19. Ne3 Ra7 20.
>>>>Rbc1 Kh8 21. Red1 b5 22. Rd2 Rd8 23. Rcd1 Ra6 24. a3 Re8 25. Nc2 Nb6 26. Nb4
>>>>Ra7 27. Ra2 Rea8 28. Nd3 Nc4 29. a4 Bb6 30. Bc3 Rxa4 31. Nc5 Bxc5 32. dxc5
>>>>Qxd1+ 33. Qxd1 Rxa2 34. Qd7 Bf7 35. Bxf6 R2a7 36. Qd4 gxf6 37. Qxf6+ Kg8 *
>>>
>>>
>>>38. h4! Shredders eval of blacks position falling...
>>
>>[Event "WCCC 2004"]
>>[Site "Tel Aviv"]
>>[Date "2004.07.08"]
>>[Round "5"]
>>[White "Fritz"]
>>[Black "Crafty"]
>>[Result "*"]
>>[ECO "A07"]
>>[PlyCount "86"]
>>[EventDate "2004.??.??"]
>>
>>1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O e6 5. d3 Bd6 6. Nbd2 Ne7 7. b3 O-O 8. Bb2
>>a5 9. h3 Bh5 10. c4 a4 11. bxa4 Nc5 12. Rb1 b6 13. Ba1 Nxa4 14. e4 f6 15. d4 c6
>>16. Re1 dxc4 17. Nxc4 Bc7 18. Qb3 Qd7 19. Ne3 Ra7 20. Rbc1 Kh8 21. Red1 b5 22.
>>Rd2 Rd8 23. Rcd1 Ra6 24. a3 Re8 25. Nc2 Nb6 26. Nb4 Ra7 27. Ra2 Rea8 28. Nd3
>>Nc4 29. a4 Bb6 30. Bc3 Rxa4 31. Nc5 Bxc5 32. dxc5 Qxd1+ 33. Qxd1 Rxa2 34. Qd7
>>Bf7 35. Bxf6 R2a7 36. Qd4 gxf6 37. Qxf6+ Kg8 38. h4 h6 39. Bh3 Ng6 40. Bxe6 Nf8
>>41. Bf5 b4 42. Nd4 Na5 43. Qxh6 Bc4 *
>>
>>My feeling says me that Fritz will win.
>
>[Event "WCCC"]
>[Site "Tel Aviv"]
>[Date "2004.07.08"]
>[Round "5"]
>[White "Fritz"]
>[Black "Crafty"]
>[Result "*"]
>[ECO "A07"]
>[PlyCount "105"]
>[EventDate "2004.??.??"]
>
>1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O e6 5. d3 Bd6 6. Nbd2 Ne7 7. b3 O-O 8. Bb2
>a5 9. h3 Bh5 10. c4 a4 11. bxa4 Nc5 12. Rb1 b6 13. Ba1 Nxa4 14. e4 f6 15. d4 c6
>16. Re1 dxc4 17. Nxc4 Bc7 18. Qb3 Qd7 19. Ne3 Ra7 20. Rbc1 Kh8 21. Red1 b5 22.
>Rd2 Rd8 23. Rcd1 Ra6 24. a3 Re8 25. Nc2 Nb6 26. Nb4 Ra7 27. Ra2 Rea8 28. Nd3
>Nc4 29. a4 Bb6 30. Bc3 Rxa4 31. Nc5 Bxc5 32. dxc5 Qxd1+ 33. Qxd1 Rxa2 34. Qd7
>Bf7 35. Bxf6 R2a7 36. Qd4 gxf6 37. Qxf6+ Kg8 38. h4 h6 39. Bh3 Ng6 40. Bxe6 Nf8
>41. Bf5 b4 42. Nd4 Na5 43. Qxh6 Bc4 44. e5 Re8 45. f4 Rg7 46. Kf2 Bd5 47. Bb1
>Nb3 48. Nf5 Rg6 49. Qh5 Nxc5 50. Nh6+ Rxh6 51. Qxh6 Re6 52. Qg5+ Kf7 53. Ke3 *
>
>Now will Fritz win!
>
>I cannot understand the move 44…Re8??? By Crafty.
>
>This was a great BLUNDER!

Probably the much more interesting mistake is 38. ...h6 ? although it doesn't
lose. Fritz wants to give a perpetual but Crafty tries so hard to avoid it ,
that it is giving up its two last kingside pawns, a bad decision ; watching the
game we were under the impression that the last chance to save the day would
have been 43.. b3!? . Happy analysing.

Peter



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