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Subject: Re: Testposition Comet B55 - Fritz 8

Author: Ulrich Tuerke

Date: 12:24:27 02/08/03

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On February 08, 2003 at 13:47:29, Drexel,Michael wrote:

>[D] 3k3r/3p3p/pr1Pp3/2p1nppB/2P5/1P2P3/P2R1KPP/5R2 w - - 0 26
>
>black has advantages and white has to play precisely in order to survive.
>the best move is probably 26.g4.

Really ? g4 seems to cage the bishop.

>Comet and several other freeware engines dont understand the position and
>favour white:

I'm afraid, it's the same with me. Please, give a hint to a chess layman.
Why is black better here ?

Uli

>
>Analysis by Comet B55:
>
>1. ² (0.54): 26.e4 Tf8 27.Ke2 f4 28.h3 a5
>2. ² (0.54): 26.Ke2 a5 27.e4 f4 28.g3 fxg3
>3. ² (0.54): 26.Tdd1 Tf8 27.Ke2 g4 28.Kf2 Tg8 29.Kg1 Tf8 30.Td2
>4. ² (0.54): 26.Kg3 a5 27.Tc1 Tf8 28.Kh3
>5. ² (0.54): 26.h3 a5 27.e4 Tf8 28.Kg1 a4 29.Lf3
>6. ² (0.54): 26.Tc1 Tf8 27.h3
>
>3:03
>
>Comet B55 - Fritz 8
>3k3r/3p3p/pr1Pp3/2p1nppB/2P5/1P2P3/P2R1KPP/5R2 w - - 0 1
>
>Analysis by Fritz 8:
>
>1. ³ (-0.28): 26.g4 fxg4 27.Kg3 a5 28.Lxg4 a4 29.Le2 axb3 30.axb3 Kc8 31.Ld1
>2. ³ (-0.41): 26.h4 h6 27.g3 Tf8 28.Kg2 Tg8 29.hxg5 hxg5 30.g4 Th8 31.Kg3 a5
>3. ³ (-0.44): 26.h3 a5 27.Le2 Tf8 28.Tfd1 Tb4 29.g3 h5 30.Lxh5 a4
>4. ³ (-0.44): 26.Kg3 a5 27.Le2 Tf8 28.h3 h6 29.Kf2 f4
>5. ³ (-0.44): 26.Tc1 a5 27.h3 Tf8 28.Le2 Tf6 29.g3 Sf7 30.Tcd1 e5 31.Td5
>6. ³ (-0.47): 26.Th1 Tf8 27.h4 h6 28.hxg5 hxg5 29.e4 f4 30.Lf3 Sf7 31.Th5 Tg8
>
>3:06
>
>After the mistake 26.e4? Comet was lost. the knight is much stronger of course.
>
>[Event "ATHLONXP, Blitz:5'+3"]
>[Site "ATHLONXP"]
>[Date "2003.02.08"]
>[Round "1"]
>[White "Comet B55"]
>[Black "Fritz 8"]
>[Result "0-1"]
>[ECO "B49"]
>[PlyCount "100"]
>[EventDate "2003.??.??"]
>
>1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8.
>O-O Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. e5 Nd5 14. Bc1
>Bc5 15. c4 Ne7 16. b3 Ng6 17. Be3 Bxe3 18. fxe3 Qc7 19. Qd6 Qxd6 20. exd6 c5
>21. Rae1 Rb6 22. Rd1 Ne5 23. Kf2 f5 24. Rd2 g5 25. Bh5+ Kd8 26. e4 f4 27. g3
>Rf8 28. Kg2 a5 29. h4 h6 30. Be2 Ra6 31. Rf2 Kc8 32. hxg5 hxg5 33. Rf1 Kb7 34.
>Rf2 a4 35. Rf1 Kc6 36. Rf2 axb3 37. axb3 Ra1 38. Bd1 Rc1 39. gxf4 gxf4 40. Rf1
>Rc3 41. Rh1 Re3 42. Kf1 Rxe4 43. Rh7 f3 44. Rh5 Ng4 45. Bc2 Ref4 46. Rh3 Ra8
>47. Rh1 Ra1+ 48. Rd1 Ra2 49. Rd2 Rxc2 50. Rxc2 Ne3+ 0-1



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