Author: Uri Blass
Date: 01:55:12 07/13/01
Go up one level in this thread
On July 12, 2001 at 22:49:41, Steven J. Brann wrote: >On July 11, 2001 at 18:08:56, John Merlino wrote: > >>On July 11, 2001 at 12:52:30, Sune Larsson wrote: >> >>> >>> [D]r5nr/pp3kpp/2pb4/3pn1P1/8/2N1B2B/PPP2P1P/2KRR3 w - - 0 20 >>> >>> IM Berg,Emanuel 2496 - GM Akesson,Ralf 2481 >>> >>> >>> This is a position from today's 10th round in the SWE-ch. 19 year old >>> Berg is a very gifted tactician. Here he chose 20.Nxd5!, got an advantage >>> and won the game vs his more experienced opponent. It was from a e5-pushed >>> Caro-Kann. >>> >>> Test: How long before your program finds and chooses 20.Nxd5! >>> >>> The whole game below. >>> >>> >>>[Event "SM"] >>>[Site "SWE"] >>>[Date "2001.07.11"] >>>[Round "10"] >>>[White "Berg, Emanuel"] >>>[Black "Akesson, Ralf"] >>>[Result "1-0"] >>>[ECO "B12"] >>>[WhiteElo "2496"] >>>[BlackElo "2481"] >>>[PlyCount "61"] >>>[EventDate "2001.07.11"] >>> >>>1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 f6 7. Nf4 Bf7 8. Qe2 >>>fxe5 9. Qxe5 Nd7 10. Qe2 Qf6 11. g5 Qxd4 12. Nxe6 Bxe6 13. Qxe6+ Be7 14. Bh3 >>>Qe5+ 15. Be3 Qxe6 16. Bxe6 Bd6 17. O-O-O Ke7 18. Bh3 Ne5 19. Rhe1 Kf7 20. Nxd5 >>>cxd5 21. Rxd5 Rd8 22. Bc5 Nc4 23. Rd4 b6 24. Be6+ Kg6 25. Bxc4 bxc5 26. Re6+ >>>Kxg5 27. Rdxd6 Nf6 28. Rc6 Rd7 29. Rxc5+ Kh4 30. Re3 Ng4 31. Re4 1-0 >>> >>>Sune >> >>Well, that was annoying. After a long think (almost 5 minutes), CM8000 came up >>with Nxd5. Then, 14 seconds later, it switched to a move that it hadn't thought >>"best" for over 4 minutes! <sigh> After that, it was a long time before it came >>around again. >> >>So, if the time control and the hardware were JUUUUUST right.... >> >>Time Depth Score Positions Moves >>0:00 1/4 1.08 5428 20. Ne4 Bb4 21. c3 dxe4 22. cxb4 >>0:00 2/5 0.96 38290 20. Ne4 Bb4 21. Nd2 Ne7 22. f4 >>0:01 2/6 0.98 74134 20. Ne4 Be7 21. Nd2 h6 22. gxh6 >> Nxh6 23. f3 >>0:03 3/7 0.98 198157 20. Ne4 Be7 21. Nd2 h6 22. gxh6 >> Nxh6 23. f3 >>0:10 3/8 0.74 658438 20. Ne4 Bb4 21. Nd2 Bxd2+ 22. Bxd2 >> Nf3 23. Re3 Nxd2 24. Rxd2 Re8 >>0:34 4/9 0.64 2422711 20. Ne4 Bb4 21. Nd2 h6 22. Bd4 >> Bxd2+ 23. Rxd2 Nf3 24. Re6 hxg5 >>0:45 4/9 0.74 3150143 20. Re2 h6 21. Ne4 Be7 22. Nc5 >> Bxc5 23. g6+ Nxg6 24. Bxc5 Nf4 >>1:55 5/10 0.49 8371693 20. Re2 h6 21. f4 Nc4 22. Rf1 Nxe3 >> 23. Rxe3 g6 24. Be6+ Kg7 25. Ne2 >> Ne7 >>4:40 5/10 0.56 21322468 20. Nxd5 cxd5 21. Rxd5 Nc4 22. >> Bc5 Bf4+ 23. Kb1 Kg6 24. Rd7 Rc8 >> 25. Bxa7 Nd2+ 26. Ka1 Rxc2 27. >> Rxb7 Bxg5 >>4:54 5/10 0.61 22437955 20. Ne4 Bb4 21. Nd2 h6 22. gxh6 >> Nxh6 23. Rg1 Bxd2+ 24. Bxd2 Nf3 >> 25. Rg3 Nxd2 26. Rxd2 >>8:38 6/11 0.60 39383091 20. Ne4 Bb4 21. Nd2 h6 22. gxh6 >> Nxh6 23. Rg1 Ng8 24. Rg3 Nf6 25. >> f4 >>15:16 6/11 0.92 71501077 20. Nxd5 cxd5 21. Rxd5 Nc4 22. >> Bf1 Nxe3 23. Rxe3 Bxh2 24. Rf5+ >> Kg6 25. Bd3 Bb8 26. Rd5+ Kf7 27. >> Rd7+ Kf8 28. Rf3+ Ke8 29. Rxg7 >> >>jm > > >Hmmmm, hardware and time control just right? CM8K with my custom personality on >a 933 PIII finds the solution in 3:49. It's interesting that it did so after >evaluation of 29MM positions when your analysis evaluated 71MM positions. No surprise. I believe that most of the test positions are solved faster if you increase the selectivity in chessmaster. I do not have chessmaster8000 but this is my experience with chessmaster6000 I always use ss=10 in chessmaster6000 for this reason. Uri
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