Author: Slater Wold
Date: 22:29:39 03/20/02
Go up one level in this thread
On March 21, 2002 at 00:37:32, Steve wrote: >[D]8/8/2b5/8/1k2p3/1p2K3/1B6/8 w - - > >I believe this position is a draw (although I can't be sure, because I don't >have 5-man tablebases). Hiarcs 7.32 evaluates this as a 1.46 pawn advantage for >Black at depth 13/23. Rebel Century 3 evaluates it as a 1.44 pawn advantage for >Black at depth 15.00. If I am correct that this is a draw, are other programs >(without 5-man tablebases) able to see it? Does additional ply depth on faster >computers enable Hiarcs and Rebel Century to see it? > >Any feedback appreciated. > > Thanks, > Steve Shredder Paderborn - W,S 8/8/2b5/8/1k2p3/1p2K3/1B6/8 w - - 0 1 Analysis by Shredder Paderborn: 1.Kd2 -+ (-2.25) Depth: 1/2 00:00:00 1.Kd2 Kc4 -+ (-2.29) Depth: 2/4 00:00:00 1.Kd4 Bb5 -+ (-2.23) Depth: 2/4 00:00:00 1.Kd4 Kb5 2.Ba1 -+ (-2.18) Depth: 2/4 00:00:00 1.Kd4 Bb7 2.Bc1 -+ (-2.46) Depth: 3/6 00:00:00 1.Kd4 Bb7 2.Bc1 -+ (-2.46) Depth: 3/6 00:00:00 1.Kd2 Bb7 2.Bh8 -+ (-2.30) Depth: 3/6 00:00:00 1.Kd2 Bb7 2.Bh8 -+ (-2.30) Depth: 3/6 00:00:00 1.Kf4 Bb7 2.Be5 -+ (-2.29) Depth: 3/6 00:00:00 1.Kf4 Bb7 2.Bf6 -+ (-2.29) Depth: 3/6 00:00:00 1.Kf4 Bd5 2.Ke3 Kc4 -+ (-2.30) Depth: 4/8 00:00:00 1.Kd4 Bb7 -+ (-2.13) Depth: 4/8 00:00:00 1.Kd4 Bb7 2.Bc1 Bc6 -+ (-2.13) Depth: 4/8 00:00:00 1.Kd4 Bd5 2.Ke3 Bb7 3.Kd2 Bd5 4.Ba1 -+ (-2.36) Depth: 5/10 00:00:00 1.Ke2 Bb5+ 2.Kd2 Bd7 -+ (-2.35) Depth: 5/10 00:00:00 1.Ke2 Bd5 2.Kd2 Bb7 3.Be5 -+ (-2.32) Depth: 5/10 00:00:00 1.Ke2 Bb7 2.Kd2 Bd5 3.Ke2 -+ (-2.36) Depth: 6/12 00:00:00 1.Kd4 Bd7 2.Kxe4 -+ (-2.33) Depth: 6/12 00:00:00 1.Kd4 Bd5 2.Bc1 Bb7 3.Bb2 Bc6 -+ (-2.08) Depth: 6/12 00:00:00 1.Kd4 Bd5 2.Bc1 Bb7 3.Bb2 Bc6 4.Bc1 -+ (-2.35) Depth: 7/14 00:00:00 6kN, tb=239 1.Kd4 Bd5 2.Ke3 Bb7 3.Kd2 Bd5 4.Ba1 -+ (-2.36) Depth: 7/14 00:00:00 7kN, tb=309 1.Ke2 Bb7 2.Ke3 Bd5 3.Kd2 Bb7 4.Ke3 Bd5 5.Kd2 Bb7 6.Ke3 Bd5 -+ (-2.35) Depth: 7/14 00:00:00 8kN, tb=347 1.Ke2 Bb7 2.Ke3 Bd5 3.Kd2 Bb7 4.Ke3 Bd5 5.Kd2 Bb7 6.Ke3 Bd5 -+ (-2.26) Depth: 7/14 00:00:00 9kN, tb=391 1.Ke2 Bb7 2.Ke3 Bd5 3.Kd2 Bb7 4.Ke3 Bd5 5.Kd2 Bb7 6.Ke3 Bd5 -+ (-2.26) Depth: 8/16 00:00:00 13kN, tb=514 1.Ke2 Bd5 2.Kd2 Kb5 3.Ke2 Ka6 -+ (-2.28) Depth: 9/18 00:00:01 24kN, tb=838 1.Ke2 Bb7 2.Ke3 Kc4 3.Bg7 Kd5 4.Bb2 Bc6 5.Kd2 Bb5 -+ (-2.28) Depth: 10/20 00:00:01 39kN, tb=1179 1.Ke2 Bd5 2.Kd2 Kc4 -+ (-2.28) Depth: 11/22 00:00:01 50kN, tb=1462 1.Ke2 Bb7 2.Ke3 Ba8 -+ (-2.27) Depth: 12/24 00:00:01 79kN, tb=1909 1.Kd4 Bd5 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Be5 Bb7 6.Ke2 -+ (-2.26) Depth: 12/24 00:00:01 80kN, tb=1926 1.Kd4 Bd5 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Be5 Bb7 6.Ke2 -+ (-2.26) Depth: 12/24 00:00:02 82kN, tb=1941 1.Kd4 Bd5 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Be5 Bb7 6.Ke2 -+ (-2.26) Depth: 13/25 00:00:02 100kN, tb=2178 1.Kd4 Bd5 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Be5 Bb7 6.Ke2 -+ (-2.26) Depth: 14/26 00:00:02 117kN, tb=2394 1.Kd4 Bb7 2.Ke3 Bd5 3.Kd2 Bg8 -+ (-2.29) Depth: 15/27 00:00:03 183kN, tb=3333 1.Ke2 Bb7 2.Ke3 Bd5 3.Kd2 Bg8 4.Ke3 Bh7 -+ (-2.28) Depth: 15/27 00:00:03 216kN, tb=3952 1.Ke2 Bd5 2.Kd2 Kc4 3.Ke2 -+ (-2.28) Depth: 15/27 00:00:03 252kN, tb=4127 1.Ke2 Bb7 2.Ke3 Ba8 3.Ke2 e3 -+ (-2.29) Depth: 16/28 00:00:05 370kN, tb=6116 1.Kd4 Bb7 2.Ke3 Ba8 3.Ke2 e3 4.Kxe3 -+ (-2.28) Depth: 16/28 00:00:05 374kN, tb=6261 1.Kd4 Bb7 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Ke2 Kb5 6.Kd1 Kc4 7.Bc1 -+ (-2.28) Depth: 16/28 00:00:05 394kN, tb=6646 1.Kd4 Bd5 2.Ke3 Kc4 3.Ke2 Bb7 -+ (-2.29) Depth: 17/29 00:00:06 463kN, tb=7840 1.Ke2 Bb7 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Ke2 Bb7 -+ (-2.28) Depth: 17/29 00:00:06 485kN, tb=8659 1.Ke2 Bb7 2.Ke3 Ba8 3.Ke2 Bd5 4.Kd2 Kc4 5.Ke2 Bb7 -+ (-2.28) Depth: 17/29 00:00:06 509kN, tb=8828 1.Ke2 Bb7 2.Kd1 Ba8 3.Ke1 Bd5 4.Kd1 Ba8 5.Ke1 Bd5 6.Kd1 Ba8 7.Ke1 -+ (-2.27) Depth: 18/30 00:00:10 731kN, tb=15892 1.Ke2 Bb7 2.Kd1 Bd5 3.Kd2 Kc4 4.Ke2 Bc6 5.Ke3 Kb5 6.Ke2 e3 -+ (-2.24) Depth: 19/31 00:00:11 1003kN, tb=19268 1.Ke2 Bb7 2.Kd1 Bd5 3.Kd2 Kc4 4.Bg7 Kb5 -+ (-2.24) Depth: 20/32 00:00:13 1249kN, tb=25790 1.Ke2 Bd5 2.Kd2 Kc4 3.Bg7 Bg8 4.Ke3 Kb5 -+ (-2.25) Depth: 21/33 00:00:26 3923kN, tb=79718 1.Ke2 Bd5 2.Kd2 Kc4 3.Bg7 Bb7 4.Bb2 Ba8 5.Bg7 Kd5 6.Ke3 Kc6 -+ (-2.25) Depth: 22/34 00:00:31 5219kN, tb=108149 1.Ke2 Bd5 2.Kd2 Bb7 3.Ke2 Bc6 4.Kd2 Bd5 5.Bc3+ Ka3 6.Kc1 Ka2 7.Bb4 -+ (-2.25) Depth: 23/35 00:00:36 7044kN, tb=150528 1.Ke2 Bd5 2.Kd2 Bb7 3.Ke2 Bc6 4.Kd2 Bd5 5.Bc3+ Ka3 6.Kc1 Ka2 7.Bb4 -+ (-2.25) Depth: 24/36 00:00:45 10226kN, tb=242278 1.Ke2 Bd5 2.Kd2 Bb7 3.Ke2 Bc6 4.Kd2 Bd5 5.Bc3+ Ka3 6.Kc1 Ka2 7.Bb4 Ba8 8.Kd1 -+ (-2.25) Depth: 25/37 00:00:54 14206kN, tb=322104 1.Ke2 Bd5 2.Kd2 Bb7 3.Ke2 Bc6 4.Kd2 Bd5 5.Bc3+ Ka3 6.Kc1 Ka2 7.Bb4 Ba8 8.Kd1 -+ (-2.25) Depth: 26/38 00:01:05 20276kN, tb=457969 1.Ke2 Bd5 2.Kd2 Bb7 3.Ke2 Bc6 4.Ke3 Ba8 5.Ke2 Kc4 6.Kd2 Kb5 7.Kc3 Ka4 8.Bc1 Bb7 9.Bb2 Bc8 10.Bc1 Ba6 11.Kd4 Ka5 -+ (-2.20) Depth: 27/39 00:02:05 40149kN, tb=920509 1.Ke2 Kc4 2.Kd2 Ba8 3.Ba3 Bd5 4.Bc1 Be6 5.Bb2 Bg4 6.Ke3 Bf3 7.Kd2 -+ (-2.25) Depth: 28/40 00:03:05 53514kN, tb=1375878 1.Ke2 Kc4 2.Kd2 Ba8 3.Ba3 Bd5 4.Bc1 Be6 5.Bb2 Bg4 6.Ke3 Bf3 7.Kd2 -+ (-2.25) Depth: 29/41 00:03:59 63915kN, tb=1638597 (W, 21.03.2002) Notice the score is the same from start to finish. Notice there are no captures in the mainline. I am 99.99% it's a draw.
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