Author: Mike Hood
Date: 05:22:49 08/28/03
Go up one level in this thread
On August 28, 2003 at 08:04:03, Mike Hood wrote: >On August 27, 2003 at 23:34:38, Rex wrote: > >>Have fun with this one... Let your engine run for a few minutes. Interesting >>to see the different evals on this one.. >> >>[D]3r2k1/1pp2ppp/3r4/1P1npq2/3n4/3PPP2/1BQ1BP1P/2RR3K w - - 1 1 > >Very interesting... on my 733 MHz Pentium Shredder 7.04 only needs 2 minutes to >realise that Black is winning. On the other hand, Fritz 8 fails miserably. After >60 minutes Fritz 8 still evaluates the position as 1.04 in White's favour. Oops..... maybe I judged the position too soon. I just let Shredder loose on the position again, longer this time, and he changes his evaluation back to (almost) even after 4½ minutes. This is the analysis after 15 minutes. The big jumps are at 2:49 (0.20 to -7.86) and at 4:21 (-7.50 to -0.40). Analysis by Shredder 7.04: 1.exd4 exd4 +- (1.75) Depth: 1/1 00:00:00 1.exd4 exd4 +- (1.75) Depth: 1/2 00:00:00 1.exd4 Qe4 2.dxe4 +- (2.00) Depth: 2/12 00:00:00 1.exd4 Qe4 2.dxe4 +- (2.50) Depth: 2/12 00:00:00 1.exd4 exd4 2.Bxd4 +- (2.59) Depth: 2/12 00:00:00 1.exd4 exd4 2.Bxd4 +- (2.59) Depth: 3/4 00:00:00 1.exd4 exd4 2.Qc5 Qe5 3.Qxd4 +- (2.37) Depth: 4/9 00:00:00 1.exd4 Rh6 2.Kg1 Qh5 3.Rf1 +- (2.12) Depth: 5/12 00:00:00 1.exd4 Rh6 2.dxe5 Qh3 3.Kg1 Qxh2+ 4.Kf1 +- (2.04) Depth: 5/13 00:00:00 1.exd4 Rh6 2.Qxc7 Nxc7 3.Rxc7 +- (1.79) Depth: 6/15 00:00:00 1.exd4 Rh6 2.h4 Rxh4+ 3.Kg1 exd4 ± (1.29) Depth: 6/15 00:00:00 1.exd4 Rh6 2.Rg1 Qh3 3.Rg2 Nf4 4.Rcg1 exd4 5.Qxc7 Qxh2+ 6.Rxh2 Rxh2+ 7.Kxh2 Nxe2 ± (1.29) Depth: 6/21 00:00:00 1.Bxd4 exd4 2.e4 Qh3 3.exd5 Rg6 4.Rg1 Qxh2+ 5.Kxh2 ± (1.30) Depth: 6/21 00:00:00 1.Bxd4 exd4 2.e4 Qh3 3.exd5 R8d7 4.Rg1 Rxd5 +- (1.55) Depth: 6/21 00:00:00 1.Bxd4 exd4 2.e4 Qh3 3.exd5 Rc8 4.Rg1 Rxd5 5.Qc4 +- (1.54) Depth: 7/18 00:00:01 110kN 1.exd4 Rh6 2.Rg1 Qh3 3.Rg2 Nf4 4.Rcg1 exd4 5.Qxc7 Qxg2+ 6.Rxg2 Rc6 7.bxc6 +- (1.55) Depth: 7/27 00:00:01 182kN 1.exd4 Nf4 2.Rg1 exd4 3.Ba3 Rd5 4.Rg4 +- (1.74) Depth: 7/27 00:00:02 335kN 1.exd4 Nf4 2.Rg1 exd4 3.Bf1 Qxb5 4.Qd2 Rc8 5.Qxf4 Qxb2 +- (1.62) Depth: 8/28 00:00:03 450kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 Nxe2 5.Qxc7 Re8 6.Ra1 exd4 7.Bxd4 ± (1.37) Depth: 9/28 00:00:06 754kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 Nxe2 5.Rcg1 Nxg1 6.Kxg1 ± (0.87) Depth: 9/28 00:00:07 875kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 Nxe2 5.Qxe2 f5 6.Rxg7+ Kxg7 7.Rxc7+ Kf8 8.dxe5 Qxh4+ 9.Kg1 ² (0.27) Depth: 9/28 00:00:10 1201kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg3 Qh5 4.h3 Nxh3 5.Kg2 Nf4+ 6.Kf1 Rg6 7.Ke1 Nxe2 8.Kxe2 Qh1 9.Rxh1 ² (0.49) Depth: 10/34 00:00:20 2488kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 Nxe2 5.Qxe2 f5 6.Rxg7+ Kxg7 7.Qxe5+ Kg8 8.Rg1+ Kf7 9.Qxc7+ Ke6 10.Qxd8 Qxh4+ ± (0.74) Depth: 11/35 00:00:30 3853kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 f5 5.Qxc7 Ne6 6.Rxg7+ Kh8 7.Qe7 Re8 8.Rf7 Qxf3+ 9.Bxf3 ± (0.95) Depth: 11/35 00:00:38 4988kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 Qxh4+ 5.Rxh4 Rxh4+ 6.Kg1 Rd6 7.Qxc7 Rg6+ 8.Kf1 Rh1# ² (0.70) Depth: 12/34 00:00:50 6470kN 1.exd4 Nf4 2.Rg1 Rh6 3.Rg4 Qh5 4.h4 Qxh4+ 5.Rxh4 Rxh4+ 6.Kg1 Rd6 7.dxe5 Rg6+ 8.Kf1 Rh1# = (0.20) Depth: 12/34 00:01:01 7952kN 1.exd4 Rh6 2.f4 Qxf4 3.Bh5 Rxh5 4.f3 Ne3 5.Qe2 Nxd1 6.Rxd1 Rxh2+ 7.Qxh2 Qxf3+ 8.Qg2 Qxd1+ -+ (-7.86) Depth: 12/41 00:02:49 22397kN 1.Bxd4 Rh6 2.Rg1 exd4 3.exd4 Qh3 4.Rg2 Nf4 5.Rcg1 Rxd4 -+ (-7.85) Depth: 12/41 00:02:52 22986kN 1.Bxd4 Rh6 2.Rg1 exd4 3.exd4 Qh3 4.Rg2 Nf4 5.Rcg1 Rxd4 6.Qxc7 Nxg2 7.Rxg2 Rg6 8.Rxg6 Qxh2+ -+ (-7.50) Depth: 12/41 00:02:53 23141kN 1.Bxd4 Rh6 2.Rg1 exd4 3.Qc5 Rh4 4.Rg3 Qh5 5.Rg2 b6 6.Qc6 dxe3 7.fxe3 Nxe3 ³ (-0.40) Depth: 12/41 00:04:21 33976kN 1.Bxd4 Rh6 2.Rg1 exd4 3.Qc5 Rh4 4.Rg2 b6 5.Qc4 Qh3 6.Rcg1 dxe3 7.Qc1 Kh8 ³ (-0.53) Depth: 13/37 00:05:34 43026kN 1.Bxd4 Rh6 2.Rg1 exd4 3.Qc5 Rh4 4.Rg3 Qh5 5.Rg2 b6 6.Qc6 dxe3 7.fxe3 Qe5 ³ (-0.65) Depth: 14/41 00:10:41 80045kN
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