Author: William Bryant
Date: 12:08:50 05/13/99
Go up one level in this thread
On May 13, 1999 at 00:40:57, Jeremiah Penery wrote:
>On May 12, 1999 at 22:30:42, Paulo Soares wrote:
>
>>[Event "WC 98 III"]
>>[Site "?"]
>>[Date "1998.09.26"]
>>[Round "9"]
>>[White "Chess Tiger 11.5"]
>>[Black "Fritz 5.01"]
>>[Result "1-0"]
>>[ECO "C43"]
>>[WhiteElo "2645"]
>>[BlackElo "2575"]
>>[Annotator "Shep"]
>>[PlyCount "93"]
>>
>>1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. O-O Bd6
>>8. c4 c6 9. Nc3 O-O 10. cxd5 Nxc3 11. bxc3 cxd5 12. Qh5 g6 13. Qxd5 Qc7
>>14. Bh6 Rfe8 15. Qf3 Bxh2+ 16. Kh1 Bd6 17. Qf6 Bf8 18. Bxf8 Rxf8 19. c4 Rae8
>>20. Rfe1 Qa5 21. Red1 Ba4 22. Rdc1 Qd2 23. Qf3 b6 24. Kg1 Rd8 25. d5 Rfe8 26.
>>Qg3 Rd7 27. Bf1 Bc2 28. a4 Rde7 29. d6 Rb7 30. a5 bxa5 31. c5 Rb3 32. Qg4 Rc3
>>33. Bb5 Re6 34. Rd1 Bxd1 35. Qxd1 Rc2 36. Qxd2 Rxd2 37. d7 Re5 38. c6 Rc5
>>39. Rxa5 Kg7 40. Ra6 Rd1+ 41. Kh2 Rdd5 42. f4 g5 43. fxg5 Rd4 44. Ba4 Rd2
>>45. Kg3 Rxg5+ 46. Kf4 Rgxg2 47. Bb5 1-0
>>
>>Move 34. Rd1!
>>
>>6k1/p4p1p/3Pr1p1/pBP5/6Q1/2r5/2bq1PP1/R1R3K1 w - - 1 0
>>
>>Test whith Hiarcs7.01 on a , PII-300, HT=64Mb:
>>
>> Variation Depth Time(sec) Evaluation
>> 1 8 290 -72(-0.56)
>> 3 7 107! 33(+0.25)
>>
>>
>>In how much time other programs play Rd1?
>
>Modified Crafty 16.6 will play it in 4 seconds on PII-300. Here's output:
>
>4 4.14 ++ 34. Rd1!!
>4 5.61 0.02 34. Rd1 Bxd1 35. Qxd1 Rc2 36. Qxd2
> Rxd2 37. Rxa5 Re1+ 38. Kh2 h6
>4-> 5.77 0.02 34. Rd1 Bxd1 35. Qxd1 Rc2 36. Qxd2
> Rxd2 37. Rxa5 Re1+ 38. Kh2 h6
>
>Previous best move (Bc7) failed low to about -1.3 on ply 4. It never switches
>from Rd1 after this, and the score goes up in each iteration.
>
>Jeremiah
No where near Crafty in strength, but Screamer v1.0 build 23 finds it at 1:07
(1 minute and 7 seconds).
Welcome to Screamer (Beta) 1.00 Build 23
Current Hash Table Size: 16384 K bytes
Debug Control On
PVS Search
New Game ...
Move 1 W>>
New Board Position
6k1/p4p1p/3Pr1p1/pBP5/6Q1/2r5/2bq1PP1/R1R3K1 w - - 1 0; Bm Rd1
Move 1 W>>
The Current Search Time: 300 seconds
PLY NODES TIME SCORE PV
____________________________________________
5 98013 0:02 -0.87 d7 Rxc5 Qf3 Be4 Qe3
6 277679 0:07 -0.84 d7 Rxc5 Qf3 Be4 Qe3 Rxc1+ Rxc1
7 2032805 0:53 -0.14 d7 Re5 Qh4 g5 Qh2 Rcxc5 Rxc2 Rxc2 d8=Q+ Qxd8
Qxe5
7 2623384 1:07 -0.12 Rd1 Bxd1 Qxd1 Qg5 d7 Qd8 c6
8 3882048 1:35 -0.33 Rd1 Bxd1 Qxd1 Qg5 d7 Qd8 c6 a6
9 10749700 4:16 -0.40 Rd1 Bxd1 Qxd1 Rc2 Qxd2 Rxd2 Rxa5 Re5 Rxa7 Rxc5
----- Search Stopped -----
Total Search Time: 4:21
Move: Rd1
William
wbryant@ix.netcom.com
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