Author: Uri Blass
Date: 16:32:42 07/28/04
Go up one level in this thread
On July 28, 2004 at 18:59:10, chandler yergin wrote: >On July 28, 2004 at 16:17:41, Uri Blass wrote: > >>On July 28, 2004 at 15:33:11, chandler yergin wrote: >> >>>On July 28, 2004 at 08:14:08, Uri Blass wrote: >>> >>>>On July 28, 2004 at 02:44:22, chandler yergin wrote: >>>> >>>>>On July 27, 2004 at 20:30:35, Uri Blass wrote: >>>>> >>>>>>On July 27, 2004 at 19:15:32, chandler yergin wrote: >>>>>> >>>>>>>Come on guys... Simple chess! >>>>>>>A5 is a Howler! >>>>>>>Kc4! >>>>>> >>>>>> >>>>>>Kc4 after a5 is an illegal move. >>>>>>If you mean Kd5 then a6 Be3 Bd2 >>>>>>same for Kf5 >>>>>> >>>>>>Uri >>>>> A5 was made in the game.. >>>>>Kc4 "Instead" of.. Draws >>>>>Both players & Fritz miss it. >>>>>CY >>>> >>>>Can you demonstrate the win after a5? >>>> >>>>I prefered Kc4 but I cannot see a win for black also after a5 because white can >>>>play later after king move of black a6 Be3 Bd2 and if black choose d2 immediatly >>>>then Bxd2 Bxd2 Kc4 is enough for white for a draw. >>>> >>>>Uri >>> >>>Here is the Line I think has to be played after a5: >>>I'm just playing chess here; I'm not sure Crafty or Hiarchs >>>sees it; you can check it out. >>> >>>Griffith,D - Burkett,M [C55] >>>WC-2003-F-00004 IECG (1), 20.12.2003 >>> >>> 58.a5 d2 [58...Kf5] 59.Bxd2 Bxd2 60.a6 Be3 61.Kc4 [61...Kf5 62.Kd3 Kf4 63.Ke2 >>>Ba7 64.Kf1 Kg3 65.h4 h5 66.Ke2 Kxh4 67.Kf3 Kh3 68.Kf4 h4 69.Kf3 Kh2 70.Kg4 h3 >>>71.Kf3 Kg1 72.Kg3 h2 73.Kf4 h1Q] 0-1 >> >>Why 60.a6 and not 60.Kc4 that seems leading to a draw? > >Exactly correct! a6 is also a Bunder... >60. Kc4 leads to a draw also! > >My point though, again, is that Fritz doesn't see it; but Crafty, Hiarchs, >Ruffian, and others possibly do. > >What Engine do you use? > >Cheers! >CY Your point is wrong Fritz has no problem to find Kc4 even without tablebases. 1 second with fast hardware after a6 it has no problem to find a big score for black. New game [D]8/7p/4k3/PK6/8/7P/3b4/8 w - - 0 1 Analysis by Fritz 8: 3.a6-- µ (-1.06) Depth: 7/10 00:00:00 2kN 3.a6 Be3 4.Kc6 µ (-1.06) Depth: 7/10 00:00:00 4kN 3.a6! µ (-0.78) Depth: 8/12 00:00:00 9kN 3.a6-- µ (-1.06) Depth: 9/12 00:00:00 17kN 3.a6 Be3 4.Kc6 µ (-1.06) Depth: 9/12 00:00:00 24kN 3.a6! µ (-0.78) Depth: 10/14 00:00:00 61kN 3.a6-- µ (-1.06) Depth: 11/15 00:00:00 80kN 3.a6 Be3 4.Kc6 µ (-1.06) Depth: 11/15 00:00:00 97kN 3.a6-- µ (-1.34) Depth: 12/17 00:00:00 125kN 3.a6 Be3 4.Kc6 µ (-1.34) Depth: 12/17 00:00:00 137kN 3.a6 Be3 4.Kc6 Kf5 5.Kb7 Kf4 6.Kc8 Kg3 7.Kc7 Kxh3 8.Kb8 µ (-1.34) Depth: 13/18 00:00:00 213kN 3.a6-- -+ (-1.62) Depth: 14/20 00:00:00 290kN 3.a6 Be3 4.Kc6 -+ (-1.62) Depth: 14/20 00:00:00 325kN 3.a6-- -+ (-1.91) Depth: 15/20 00:00:00 541kN 3.a6 Be3 4.Kc6 Kf5 -+ (-1.91) Depth: 15/20 00:00:00 587kN 3.a6-- -+ (-2.19) Depth: 16/23 00:00:00 1082kN 3.a6 Be3 4.Kc6 Kf5 -+ (-2.19) Depth: 16/23 00:00:00 1126kN 3.Kc4! -+ (-2.16) Depth: 16/23 00:00:01 3013kN 3.Kc4 Kf5 4.Kd3 Bf4 5.a6 Bb8 6.Kd4 Ba7+ 7.Kd5 Kf4 8.h4 h5 9.Kc6 Kg4 -+ (-2.19) Depth: 17/24 00:00:03 6107kN 3.Kc4 Kf5 4.Kd3 Bf4 5.a6 Bb8 6.Kd4 Ba7+ 7.Kd5 Kf4 8.h4 h5 9.Kc6 Kg4 -+ (-2.19) Depth: 18/26 00:00:04 7976kN 3.Kc4 Be3 4.Kd3 Ba7 5.Ke4 Kd6 6.a6 Kc7 7.h4 Kb6 8.h5 Kc6 9.h6 Kb5 10.Kd5 -+ (-1.94) Depth: 19/28 00:00:19 33659kN 3.Kc4 Be3 4.Kd3 Ba7 5.Ke4 Kd6 6.a6 Kc7 7.h4 Kc8 8.h5 Kc7 9.h6 Kb6 10.Kd3 -+ (-1.94) Depth: 20/30 00:00:32 58685kN (, MyTown 29.07.2004) After a6? New game 8/7p/P3k3/1K6/8/7P/3b4/8 b - - 0 1 Analysis by Fritz 8: 3...Be3 4.Kc6 h5 5.Kb7 h4 6.Kb8 Kd5 7.Kb7 Bd4 8.Kb8 µ (-1.09) Depth: 7/10 00:00:00 6kN 3...Be3 4.Kc6 Kf5 5.Kc7 Kf4 6.Kb7 Kg3 7.h4 Kxh4 8.Kb8 h5 µ (-1.28) Depth: 8/15 00:00:00 12kN 3...Be3 4.Kc6 Kf5 5.Kc7 Kf4 6.Kb8 Kg3 7.a7 Bxa7+ µ (-1.38) Depth: 9/15 00:00:00 23kN 3...Be3! -+ (-1.66) Depth: 10/17 00:00:00 34kN 3...Be3 4.Kc6 Kf5 5.Kc7 Kf4 6.Kb8 Kg3 7.h4 Kxh4 8.Ka8 Kh3 -+ (-1.84) Depth: 11/18 00:00:00 59kN 3...Be3 4.Kc6 Kf5 5.Kc7 Kf4 6.h4 h5 7.Kc6 Bf2 8.Kb7 Kg3 9.Kb8 -+ (-1.91) Depth: 12/19 00:00:00 119kN 3...Be3 4.Kc6 Kf5 5.Kc7 Kf4 6.h4 h5 7.Kc6 Kg3 8.Kc7 Kxh4 9.Kb7 Kh3 -+ (-2.16) Depth: 13/21 00:00:00 214kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.Ke2 Ke6 7.Kf3 Kd5 8.h4 Kc6 9.h5 Kb5 10.Ke4 Kc6 -+ (-2.22) Depth: 14/20 00:00:00 403kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.Ke2 h5 7.Kf3 h4 8.Ke2 Kf4 9.Kf1 Ke5 10.Kg2 Kd5 11.Kf3 -+ (-2.28) Depth: 15/21 00:00:00 633kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.h4 Kg4 7.Ke4 Kxh4 8.Kd5 h5 9.Kc6 Kh3 10.Kb7 -+ (-2.41) Depth: 16/21 00:00:00 989kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.h4 Kg4 7.Ke4 Kxh4 8.Kd5 h5 9.Kc6 Kh3 10.Kc7 h4 11.Kb7 Be3 -+ (-2.63) Depth: 17/21 00:00:01 1486kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.h4 Kg4 7.Ke4 Kxh4 8.Kd5 h5 9.Kc6 Kg4 10.Kb7 Be3 11.Kc7 h4 12.Kb7 Kh3 -+ (-2.88) Depth: 18/24 00:00:01 2522kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.h4 Kg4 7.Ke4 Kxh4 8.Kd5 h5 9.Kc6 Kg4 10.Kb7 Be3 11.Kc7 h4 -+ (-2.88) Depth: 19/23 00:00:02 3413kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.h4 Kg4 7.Ke4 Kxh4 8.Kd5 h5 9.Kc6 Kg4 10.Kb7 Be3 11.Kc7 h4 -+ (-2.88) Depth: 20/27 00:00:03 5583kN 3...Be3! -+ (-3.16) Depth: 21/26 00:00:05 7532kN 3...Be3 4.Kc4 Kf5 5.Kd3 Ba7 6.Ke2 Kf4 7.h4 h5 8.Ke1 Kg4 9.Ke2 Kxh4 10.Kf3 Kh3 11.Kf4 h4 -+ (-3.34) Depth: 22/32 00:00:14 24108kN 3...Be3! -+ (-3.63) Depth: 23/34 00:00:19 33142kN (, MyTown 29.07.2004) Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.