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Subject: Re: Interesting test position--Compter ver GM

Author: Robert Hyatt

Date: 08:05:22 11/29/02

Go up one level in this thread


On November 29, 2002 at 04:59:01, Rex wrote:

>RebelRex(C) ver Talion(GM) on ICC.
>
>
>Here RebelRex played 37...b3 for the loss.  How long does it take your computer
>to avoid this move because of the next GM's move 38.Nxg4!!
>
>[D]r7/2q1p3/3pPkp1/2pP1pNp/1pP2Bb1/3BN1K1/rP1R4/4R3 b - - 0 1
>

Crafty doesn't and won't consider b3 for many reasons.  It prefers
Kg7, but still expects Nxg4 with a score that is just slightly better
than zero for black..


>
>
>How long does it take your computer to find the GM's move 38.Nxg4
>
>[D]r7/2q1p3/3pPkp1/2pP1pNp/2P2Bb1/1p1BN1K1/rP1R4/4R3 w - - 0 1
>
>
>



Crafty finds it instantly but is not particularly happy with the score
until deeper depths:


                6     0.14  -2.38   1. Nxg4+ hxg4 2. Rh1 Kg7 3. Rdh2 Kf6
                                    4. Rf2
                6->   0.17  -2.38   1. Nxg4+ hxg4 2. Rh1 Kg7 3. Rdh2 Kf6
                                    4. Rf2 (s=2)
                7     0.31  -2.45   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Ref1 Rh8
                                    4. Be4 Rf8
                7->   0.39  -2.45   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Ref1 Rh8
                                    4. Be4 Rf8
                8     0.47  -2.09   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Ref1 Rh8
                                    4. Nf7 Rha8 5. Be4
                8->   0.59  -2.09   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Ref1 Rh8
                                    4. Nf7 Rha8 5. Be4
                9     1.55  -1.96   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Be3 Rh8
                                    4. Rf7+ Kg8 5. Ref1 Qd8 6. Bf4
                9->   1.81  -1.96   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Be3 Rh8
                                    4. Rf7+ Kg8 5. Ref1 Qd8 6. Bf4
               10     2.40     ++   1. Nxg4+!!
               10->   6.60  -1.57   1. Nxg4+ fxg4 2. Rf2 Kg7 3. Be3 Rh8
                                    4. Rf7+ Kg8 5. Ref1 Qd8 6. Bf4
               11    10.36     ++   1. Nxg4+!!
               11    26.76  -0.20   1. Nxg4+ fxg4 2. Nf7 Kg7 3. Bh6+ Kg8
                                    4. Bxg6 Qa5 5. Rg1 Qa4 6. Bxh5 Qxc4
                                    7. Bxg4
               11->  27.95  -0.20   1. Nxg4+ fxg4 2. Nf7 Kg7 3. Bh6+ Kg8
                                    4. Bxg6 Qa5 5. Rg1 Qa4 6. Bxh5 Qxc4
                                    7. Bxg4
               12    31.55  -0.26   1. Nxg4+ fxg4 2. Nf7 Kg7 3. Bh6+ Kh7
                                     4. Rh1 Kg8 5. Bxg6 R8a4 6. Bxh5 Rxc4
                                    7. Rh4 Re4 8. Rxg4+
               12->  35.04  -0.26   1. Nxg4+ fxg4 2. Nf7 Kg7 3. Bh6+ Kh7
                                    4. Rh1 Kg8 5. Bxg6 R8a4 6. Bxh5 Rxc4
                                    7. Rh4 Re4 8. Rxg4+
               13    41.27     ++   1. Nxg4+!!




>
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>
>
>
>
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>Date: 28/11/2002
>White: Talion
>Black: RebelRex
>Opening: B27 Sicilian: Quinteros Variation
>White ELO: 3278
>Black ELO: 3392
>
>Time control = 3 1 Book(s): ANTI_GM.bk
>1. e4 c5 2. Nf3 Qc7 3. c3 d6 4. d4 Nf6 5. Bd3 g6 6. h3 Bg7 7. O-O O-O 8. Re1
>Nfd7 9. d5 Nf6 10. Bf4 Rd8 11. Nbd2 Nh5 12. Bh2 Bh6 13. a4 Nf4 14. Bc4 Nd7 15.
>Qc2 Nf6 16. Rad1 b6 17. Nf1 a6 18. Kh1 Rb8 19. Qc1 Nxh3 20. Qxh6 Ng4 21. Qxh3
>Nxf2+ 22. Kg1 Nxh3+ 23. gxh3 b5 24. axb5 axb5 25. Be2 Bxh3 26. Ne3 b4 27. c4 Ra8
>28. e5 f6 29. e6 Ra2 30. Rd2 h5 31. Bd3 Kg7 32. Nh4 f5 33. Bf4 Kf6 34. Nf3 Bg4
>35. Ng5 Rg8 36. Kh2 Rga8 37. Kg3 b3 38. Nxg4+ fxg4 39. Rf2 Kg7 40. Bd2 Rxb2 41.
>Bc3+ Kg8 42. Bxb2 Ra2 43. Ref1 Qb8 44. Bc3 h4+ 45. Kxh4 Rxf2 46. Rxf2 Qb4 47.
>Bxb4 cxb4 48. c5 g3 49. Kxg3 b2 50. cxd6 b1Q 51. Bxb1 exd6 52. e7 Kg7 53. e8Q b3
>54. Qf8# RebelRex checkmated
>1-0



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