Author: chandler yergin
Date: 18:08:36 12/28/04
Go up one level in this thread
On December 27, 2004 at 17:17:17, Peter Fendrich wrote: >On December 27, 2004 at 14:28:16, Uri Blass wrote: > >>On December 27, 2004 at 13:52:30, Peter Fendrich wrote: >> >>>On December 27, 2004 at 13:20:06, Uri Blass wrote: >>> >>>>On December 27, 2004 at 13:18:46, Uri Blass wrote: >>>> >>>>>On December 27, 2004 at 12:44:24, John Merlino wrote: >>>>> >>>>>>On December 27, 2004 at 12:18:10, Uri Blass wrote: >>>>>> >>>>>>>On December 27, 2004 at 12:15:31, Uri Blass wrote: >>>>>>> >>>>>>>>[D]5k2/8/P5B1/3P3p/3b4/8/1P6/1K6 w - - 0 56 bm d6 >>>>>>>> >>>>>>>>Am I right to think that it is a draw after Bxh5? >>>>>>> >>>>>>>Note that the position is from a game that was played in the arena tournament of >>>>>>>frank quisinsky >>>>>>> >>>>>>>see http://www.playwitharena.co.uk/modules.php?name=ATL_League >>>>>>> >>>>>>>Uri >>>>>> >>>>>>Playing both sides with The King, the game ends in a draw. >>>>>> >>>>>>jm >>>>> >>>>>Movei-Gandalf6 also ended in a draw after Bxh5 but the question is if there is >>>>>some win for white that I fail to see. >>>>> >>>>>Uri >>>> >>>>Note that d6 is a win for white and the question is also how much time does the >>>>king need to see d6 and not Bxh5 >>>> >>>>Uri >>> >>>Also Kc2 is winning. >>>/Peter >> >>Is it based on computer or human analysis. >>I did not use computer to analyze Kc2 and I do not see how Kc2 Ke7 wins for >>white after a minute of thought. >> >>Uri > >No I just looked at the diagram you gave. I was at my job. >Now after a little more thorough look I found it wrong but I >kind of like the idea behind: >1. wK to b5 >2. P to b4 >3. B to e4 whenever needed >Suppose that the bK is on d6 >Now I looked for sacrificing the a-pawn by a6-a7. >After a7 Bxa7 Ka6 Be3 the idea was Kb7, blocking the the black K, >followed by b5 and b6. > >The problem is that it doesn't seem to win... >Furthermore if black place his king at c7 instead of d6 the sacrifice >definitely isn't correct. > >I nice try, anyhow! >/Peter Shredder finds the win... New game, 5k2/8/P5B1/3P3p/3b4/8/1P6/1K6 w - - 0 1 Analysis by Shredder 8: 1.Bxh5 +- (4.07) Depth: 1/1 00:00:01 1.Bxh5 +- (4.07) Depth: 1/1 00:00:01 1.Bxh5 Bf2 +- (3.43) Depth: 2/3 00:00:01 1.Bxh5 Ke7 +- (2.52) Depth: 2/3 00:00:01 1.Bxh5 Ke7 +- (2.52) Depth: 2/3 00:00:02 1.d6 Bxb2 +- (2.54) Depth: 2/3 00:00:02 1.d6 h4 +- (2.69) Depth: 2/3 00:00:02 1.d6 Bb6 2.Be4 +- (2.44) Depth: 3/5 00:00:03 1.Bxh5 Ke7 2.Be8 +- (3.02) Depth: 3/5 00:00:03 1.Bxh5 Ke7 2.Be8 +- (3.02) Depth: 3/5 00:00:03 1.Bxh5 Ke7 2.Be8 +- (3.02) Depth: 3/5 00:00:03 1.Bxh5 Ke7 2.d6+ Kxd6 3.a7 +- (2.69) Depth: 4/5 00:00:03 1.Bxh5 Ke7 2.b4 Kd6 +- (2.45) Depth: 4/5 00:00:03 1.d6 h4 +- (2.58) Depth: 4/5 00:00:03 1.d6 h4 2.Bf5 Ke8 +- (2.58) Depth: 4/7 00:00:03 1.d6 h4 2.b4 Bb6 3.Bf5 +- (2.65) Depth: 5/8 00:00:04 1.Bxh5 Bxb2 +- (2.66) Depth: 5/8 00:00:04 1.Bxh5 Ke7 +- (3.05) Depth: 5/8 00:00:04 1.Bxh5 Ke7 2.b4 Kd6 3.Kc2 +- (3.05) Depth: 5/8 00:00:04 1.Bxh5 Ke7 2.Bd1 +- (2.50) Depth: 6/7 00:00:04 1.Bxh5 Ke7 2.Bd1 Bxb2 +- (2.50) Depth: 6/7 00:00:04 1.d6 h4 2.b4 h3 3.Bf5 Bf2 +- (2.53) Depth: 6/7 00:00:04 1.d6 h4 2.b4 Bb6 3.Bf5 Ke8 +- (2.60) Depth: 6/7 00:00:04 1.d6 h4 2.b4 h3 3.b5 h2 4.Be4 h1R+ 5.Bxh1 +- (2.49) Depth: 7/11 00:00:06 5kN, tb=3 1.Bxh5 Bxb2 +- (2.53) Depth: 7/11 00:00:06 6kN, tb=3 1.Bxh5 Bc5 +- (2.93) Depth: 7/11 00:00:06 7kN, tb=3 1.Bxh5 Ke7 2.Be2 Kd6 3.Bc4 Kc7 4.Kc2 +- (2.93) Depth: 7/11 00:00:07 8kN, tb=6 1.Bxh5 Ke7 2.b4 Bb6 +- (2.88) Depth: 8/9 00:00:08 12kN, tb=16 1.Bxh5 Ke7 2.Bf3 Kd7 3.Kc2 Bb6 +- (3.13) Depth: 9/11 00:00:13 20kN, tb=28 1.Bxh5 Ke7 2.Bf3 Kd7 3.Kc2 Bb6 4.Kb3 Kc7 5.Ka4 +- (3.13) Depth: 9/11 00:00:13 21kN, tb=43 1.Bxh5 Ke7 2.Bf3 Kd6 3.b4 Bg1 4.Bh1 Kc7 5.Kc2 Bd4 +- (3.04) Depth: 10/12 00:00:17 33kN, tb=134 1.Bxh5 Ke7 2.Kc2 Kd6 3.Be8 Kxd5 4.b4 +- (2.87) Depth: 11/13 00:00:27 50kN, tb=199 1.Bxh5 Ke7 2.Kc2 Kd6 3.Bf3 Kc7 4.b4 Bb6 +- (3.12) Depth: 12/14 00:00:33 77kN, tb=310 1.Bxh5 Ke7 2.Kc2 Kd6 3.Bf3 Kc7 4.Be2 +- (3.12) Depth: 12/14 00:00:35 81kN, tb=457 1.Bxh5 Ke7 2.Be2 Kd6 3.Bc4 Bb6 4.b4 Kc7 +- (3.37) Depth: 13/16 00:00:48 170kN, tb=713 1.Bxh5 Ke7 2.Be2 Kd6 3.Bc4 Bb6 4.b4 Kc7 5.b5 +- (3.37) Depth: 13/16 00:00:48 173kN, tb=742 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Bb6 5.Kd3 Kd6 6.Kc3 Ba7 7.Kc4 Bf2 8.Bh5 Ba7 9.Bf3 Bf2 10.Bh5 Ba7 11.Bf3 Bf2 +- (3.32) Depth: 14/17 00:00:57 285kN, tb=1706 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Kc7 6.Bc4 Bb6 7.Kb2 Bf2 8.Bb3 +- (3.13) Depth: 15/18 00:01:03 368kN, tb=2138 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Kc7 6.Bc4 Bb6 7.Kd3 Ba7 8.Kc2 Bf2 9.Bf1 Bd4 10.Bg2 Kb6 11.b5 +- (3.15) Depth: 16/20 00:01:11 477kN, tb=3353 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Bb6 5.Kd3 Kd6 6.Be4 Ke7 +- (3.38) Depth: 17/20 00:01:18 687kN, tb=4529 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Kc7 6.Kd3 Ba7 7.Ke4 Bf2 8.Ke5 Ba7 9.Bc4 Bc5 +- (3.33) Depth: 18/21 00:01:41 908kN, tb=8155 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.b5 Bb6 5.Kb2 Bf2 6.Kc2 Bg1 +- (3.33) Depth: 19/24 00:01:57 1727kN, tb=12351 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Bb8 7.Kd4 Bd6 8.b5 Bc7 9.Kc3 Bd6 10.Kc4 Bg3 11.Bf3 Bf2 +- (3.23) Depth: 20/24 00:02:07 2456kN, tb=18829 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Bb8 7.Kd4 Bd6 8.b5 Ka7 +- (3.48) Depth: 21/27 00:02:28 5237kN, tb=25350 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Bb8 7.Kd4 Bd6 8.b5 Ka7 9.Bg4 Kb6 10.Ke4 +- (3.49) Depth: 21/27 00:02:32 5421kN, tb=28514 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Bb8 7.Kd4 Bd6 8.b5 Ka7 9.Kd3 Kb6 10.Kd4 Ka7 11.Kd3 Kb6 12.Kd4 Ka7 +- (3.49) Depth: 22/24 00:02:47 7018kN, tb=36579 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Bb8 7.Kd4 Bd6 8.b5 Ka7 9.Kd3 Kb6 +- (3.49) Depth: 23/27 00:03:20 9438kN, tb=48852 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Bb8 7.Kd4 Bd6 8.b5 Ka7 9.Kd3 Kb6 +- (3.49) Depth: 24/26 00:03:57 12951kN, tb=81427 1.d6 Bf2 +- (3.50) Depth: 24/50 00:08:37 42487kN, tb=174331 1.d6 Bf2 2.Bxh5 Bg3 3.d7 Ke7 4.a7 Bb8 5.axb8Q Ke6 6.d8Q Kf5 7.Qh8 Ke6 8.Kc2 Kd7 9.Qhd8+ Kc6 +- (3.85) Depth: 24/50 00:08:54 45812kN, tb=181316 (, 28.12.2004)
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