Author: Joshua Lee
Date: 07:53:31 05/23/01
Go up one level in this thread
On May 21, 2001 at 23:58:39, Robert Hyatt wrote: >On May 21, 2001 at 23:01:30, Chessfun wrote: > >>On May 21, 2001 at 13:06:51, Andreas Schwartmann wrote: >> >>>I received an e-mail today asking me for help on GS 2930 test suite position >>>#13. My chess abilities are not good enough, I am afraid, but what do you think >>>about this? Here comes the mail: >>> >>>Andreas, >>> >>>I have been using the GS 2930 test suite to estimate the rating for the >>>Deep Blue system. This is for use in a paper we are preparing. I >>>downloaded the test suite from your web site. There are three problems >>>that the system does not solve in 20 minutes. One of them in particular, >>>#13, is not solved even for very deep searches. The given move is Bxg7, >>>but Deep Blue Jr. gives a different move that has a somewhat higher score >>>than Bxg7. The PV follows. Do you have any opinion on this? Thank you. >>> >>>Regards, >>> >>>Murray >>> >>>Rh5 Qc2 Qe7 Qb2 Ne5 Rc1 g4 Rf1 Kf1 Qb1 Kg2 Qe4 Kh3 Qb1 Rf5 Qf1 Kh4 Qg2 h3 >>>Qa8 Rf7 +1.49 Kasparov,G - Portisch,L 2r2rk1/p1q1bpp1/1p6/n2R4/8/P4N2/1B2QPPP/5RK1 w - - 0 1 Analysis by Fritz 6: 21.Qxe7-- -+ (-2.81) Depth: 1/3 00:00:00 21.Qxe7-- Qxe7 -+ (-5.41) Depth: 1/3 00:00:00 21.Rxa5! -+ (-3.81) Depth: 1/3 00:00:00 21.Rxa5! bxa5 µ (-0.91) Depth: 1/3 00:00:00 21.Rfd1! = (-0.03) Depth: 1/3 00:00:00 21.Rfd1! ± (0.84) Depth: 1/3 00:00:00 21.Rfd1-- ² (0.34) Depth: 2/9 00:00:00 21.Rfd1-- ² (0.34) Depth: 2/9 00:00:00 21.Be5! ² (0.41) Depth: 2/9 00:00:00 21.Be5! Qc6 ² (0.63) Depth: 2/9 00:00:00 21.Be5 Qc4 22.Rd3 ² (0.59) Depth: 3/9 00:00:00 21.Rfd1! ² (0.63) Depth: 3/11 00:00:00 1kN 21.Rfd1 Rfe8 22.Rd7 Qc2 ² (0.50) Depth: 4/9 00:00:00 2kN 21.Re1! ² (0.53) Depth: 4/11 00:00:00 2kN 21.Re1! Rfe8 22.Be5 Qc6 ² (0.63) Depth: 4/11 00:00:00 3kN 21.Re1 Rfe8 22.Be5 Qc4 23.Rd3 ² (0.59) Depth: 5/12 00:00:00 7kN 21.Rfd1! ² (0.63) Depth: 5/13 00:00:00 9kN 21.Rfd1! Rfe8 22.Rd7 Qc2 23.Qb5 ± (0.72) Depth: 5/14 00:00:00 10kN 21.Rfd1 Rcd8 22.Ne5 Rxd5 23.Rxd5 Re8 24.Qh5 ² (0.66) Depth: 6/16 00:00:00 36kN 21.Rfd1 Rfd8 22.Be5 Qc6 23.Rxd8+ Rxd8 24.Rxd8+ Bxd8 25.Qe3 Nc4 ² (0.59) Depth: 7/19 00:00:00 142kN 21.Rfd1 Rfd8 22.Be5 Qc6 23.Rxd8+ Rxd8 24.Nd4 Qc5 25.a4 ² (0.59) Depth: 8/20 00:00:00 427kN 21.Rfd1 Rcd8 22.Ne5 Rxd5 23.Rxd5 Bd6 24.Qg4 Re8 25.Nf3 f6 ² (0.50) Depth: 9/26 00:00:02 1573kN 21.Ne5! ² (0.53) Depth: 9/26 00:00:04 2410kN 21.Ne5! Bf6 22.Rd7 Qc2 23.Rd2 Qf5 24.Rfd1 Rfe8 ² (0.59) Depth: 9/26 00:00:05 2987kN 21.Ne5 Qc2 22.Rd2 Qf5 23.Rfd1 Rfe8 24.Rd5 Rc2 25.R5d2 Rxd2 ² (0.38) Depth: 10/24 00:00:10 6039kN 21.Rfd1! ² (0.41) Depth: 10/24 00:00:10 6212kN 21.Rfd1! Rfd8 22.Be5 Qc4 23.Rxd8+ Rxd8 24.Rxd8+ Bxd8 25.Qb2 Qd3 ² (0.50) Depth: 10/26 00:00:12 7208kN 21.Nd4! ² (0.53) Depth: 10/26 00:00:15 9390kN 21.Nd4! Rfe8 22.Qg4 Qc4 23.Rd7 a6 24.Rd1 Rc7 25.Rxc7 Qxc7 ² (0.56) Depth: 10/26 00:00:18 10748kN 21.Nd2! ² (0.59) Depth: 10/26 00:00:22 13438kN 21.Nd2! Rfd8 22.Qg4 f6 23.Qe6+ Kh7 24.Re1 Rxd5 25.Qe4+ Kh8 ² (0.63) Depth: 10/28 00:00:28 16558kN 21.Nd2 Rfd8 22.Qg4 f6 23.Qe6+ Kh7 24.Rh5+ Kg6 25.Qg4+ Kf7 ± (0.91) Depth: 11/28 00:00:39 23247kN 21.Nd2 Qb7 22.Qg4 f6 23.Rd7 Rc7 24.Qe6+ Kh7 25.Rxc7 Qxc7 ± (1.03) Depth: 12/33 00:01:15 44860kN 21.Nd2 Rcd8 22.Qg4 f6 23.Rc1 Bc5 24.Rxd8 Qxd8 25.Ne4 Qe7 ± (0.84) Depth: 13/31 00:02:48 102309kN 21.Nd2 Rcd8 22.Qg4 f6 23.Rc1 Bc5 24.Rxd8 Rxd8 25.Ne4 Kf8 ± (0.72) Depth: 14/34 00:06:03 224389kN 21.Rh5! ± (0.75) Depth: 14/36 00:21:32 799381kN 21.Rh5! ± (1.06) Depth: 15/40 00:35:48 1318571kN 21.Rh5! ± (1.38) Depth: 16/39 01:04:06 2373869kN 21.Rh5! Qc2 22.Qxe7 Qxb2 23.Ne5 Rc1 24.g4 Rxf1+ 25.Kxf1 Qb5+ +- (1.41) Depth: 16/43 01:12:31 2680069kN 21.Rh5 Qc2 22.Qxe7 Qxb2 23.Ne5 Rc1 24.g4 Rxf1+ 25.Kxf1 Qb5+ +- (1.47) Depth: 17/40 02:17:34 5142261kN (Lee, Pensacola,Fl 22.05.2001) This matches the PV given except for 25....Qb5+ Deep Blue Jr 21. Rh5 Qc2 22. Qe7 Qb2 23. Ne5 Rc1 24. g4 Rf1 25. Kf1 Qb1 26. Kg2 Qe4 27. Kh3 Qb1 28. Rf5 Qf1 29. Kh4 Qg2 30. h3 Qa8 31. Rf7 +1.49
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