Author: Kurt Utzinger
Date: 11:22:58 11/07/05
Go up one level in this thread
On November 07, 2005 at 14:12:54, Martin Baumung wrote:
>On November 07, 2005 at 13:32:11, Kurt Utzinger wrote:
>
>> Is this really a good test position.
>> CM9_T05 does not find 28.Rxh5 within
>> reasonable time and does even not
>> assess the postion after 28.Rxh5 gxh5
>> as won for White. Is the game continuation
>> indeed forced. Further investigations
>> are required I think. Analysis under
>> CM-GUI on P4 1.8/32 MB hash
>> Kurt
>
>[D]6k1/4pp1p/3p4/7p/p3P3/r4P2/P1PK2P1/1R6 w - -
>
>Here's Shredder's evaluation of the position after 28.Rxh5 gxh5:
>
>FEN: 6k1/4pp1p/3p4/7p/p3P3/r4P2/P1PK2P1/1R6 w - - 0 29
>
>Shredder 9.1:
> 1/3- 00:00 3 0 -0,34 29.Tb1b7
> 1/3 00:00 6 0 -0,34 29.Tb1b7
> 1/3+ 00:00 17 0 -0,08 29.Tb1b8+
> 1/3 00:00 19 0 -0,08 29.Tb1b8+ Kg8g7
> 1/3+ 00:00 27 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 1/15 00:00 28 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 2/2 00:00 39 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 3/3 00:00 70 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 4/4 00:00 128 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 5/5 00:00 185 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 6/6 00:00 300 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 7/7 00:00 545 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 8/8 00:00 799 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 9/9 00:00 1.145 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 10/10 00:00 1.221 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 11/11 00:00 1.735 0 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3 Kg7f6
>32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 12/12 00:00 2.518 157.375 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3
>Kg7f6 32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 13/13 00:00 4.140 258.750 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3
>Kg7f6 32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 14/14 00:00 6.604 206.375 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3
>Kg7f6 32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 15/15 00:00 21.989 349.031 +0,10 29.Tb1b2 f7f5 30.e4xf5 Kg8g7 31.c2c3
>Kg7f6 32.Kd2d3 d6d5 33.g2g4 h5xg4 34.f3xg4 e7e5 35.f5xe6/ep Kf6xe6 36.Tb2b7
> 16/27 00:01 606.891 606.891 +0,26 29.Tb1b2 e7e6 30.c2c3 Kg8g7
> 16/27+ 00:01 839.828 624.872 +0,27 29.Tb1a1
> 16/27+ 00:01 890.978 626.566 +0,62 29.Tb1a1
> 16/27 00:02 1.399.415 639.586 +0,65 29.Tb1a1 e7e6 30.c2c3 d6d5 31.e4xd5
>e6xd5 32.Kd2c2
> 17/25 00:02 1.569.086 643.595 +0,55 29.Tb1a1 e7e6 30.c2c3 d6d5 31.Kd2c2 d5d4
>32.c3xd4 Kg8f8 33.Kc2d2 h5h4 34.d4d5 h4h3 35.g2xh3 Ta3xf3
> 18/24 00:03 2.180.174 634.140 +0,41 29.Tb1a1 e7e6 30.c2c3 d6d5 31.e4xd5
>e6xd5 32.Kd2c2
> 18/26+ 00:04 2.637.070 636.819 +0,42 29.Tb1b2
> 18/26+ 00:04 3.028.159 641.695 +0,77 29.Tb1b2
> 18/41 00:09 5.678.933 634.305 +0,78 29.Tb1b2 e7e6 30.c2c3 f7f6
> 19/30 00:11 6.877.168 632.383 +0,90 29.Tb1b2 e7e6 30.c2c3 d6d5 31.Tb2c2
>Kg8f8 32.Kd2c1 d5d4 33.Kc1b2 Ta3xc3 34.Tc2xc3 d4xc3+ 35.Kb2xc3 Kf8e7 36.Kc3b4
>f7f5 37.e4xf5 e6xf5 38.Kb4xa4 Ke7e6 39.Ka4b5 Ke6e5
> 20/33 00:13 8.180.084 631.520 +0,99 29.Tb1b2 e7e6 30.c2c3 d6d5 31.Tb2c2
>Kg8f8 32.Kd2c1 d5d4 33.Kc1b2 Ta3xc3 34.Tc2xc3 d4xc3+ 35.Kb2xc3 Kf8e7 36.Kc3b4
>Ke7d6 37.Kb4xa4 Kd6c5 38.g2g3 Kc5d4
> 21/36 00:16 10.431.192 630.969 +1,15 29.Tb1b2 e7e6 30.c2c3 d6d5 31.Tb2c2
>Kg8f8 32.Kd2c1 d5d4 33.Kc1b2 Ta3xc3 34.Tc2xc3 d4xc3+ 35.Kb2xc3 Kf8e7 36.Kc3b4
>Ke7d6 37.Kb4xa4 Kd6e5 38.Ka4b5 f7f5 39.e4xf5
> 22/36 00:22 14.229.778 630.249 +1,15 29.Tb1b2 e7e6 30.c2c3 d6d5 31.Tb2c2
>Kg8f8 32.Kd2c1 d5d4 33.Kc1b2 Ta3xc3 34.Tc2xc3 d4xc3+ 35.Kb2xc3 Kf8e7 36.Kc3b4
>Ke7d6 37.Kb4xa4 Kd6e5 38.Ka4b5 f7f5 39.e4xf5
> 23/45 00:35 22.013.184 628.373 +1,39 29.Tb1b2 e7e6 30.c2c3 d6d5 31.e4xd5
>e6xd5 32.Kd2d3 Kg8f8 33.Tb2e2 h5h4 34.Kd3d4 Kf8g7
> 24/42 00:51 32.038.319 628.781 +1,58 29.Tb1b2 e7e6 30.c2c3 d6d5 31.e4xd5
>e6xd5 32.Kd2d3 Kg8f8 33.Tb2e2 f7f5 34.Kd3d4 Kf8f7 35.Te2c2 Kf7e6 36.Kd4c5 d5d4
>37.Kc5xd4
> 25/42+ 01:06 41.767.724 630.751 +1,83 29.Tb1b2 e7e6
> 25/46 01:30 55.746.061 620.904 +2,29 29.Tb1b2 e7e6 30.c2c3 d6d5 31.e4xd5
>e6xd5 32.Kd2d3 Kg8f8 33.Tb2e2 h5h4 34.Kd3d4 h4h3 35.g2xh3 h7h5 36.Te2c2 Ta3xa2
> 26/51+ 02:04 77.319.089 620.648 +2,54 29.Tb1b2 e7e6
> 26/51+ 02:20 87.791.249 624.706 +3,04 29.Tb1b2 e7e6
> 26/51 04:05 150.854.450 614.165 +5,26 29.Tb1b2 Kg8g7 30.c2c3 Kg7f6 31.Kd2d3
>Kf6e5 32.Kd3c4 Ke5f4 33.Kc4b4 Ta3xa2 34.Tb2xa2 h5h4 35.e4e5 Kf4xe5
> 27/46 05:15 191.496.475 607.381 +5,48 29.Tb1b2 Kg8g7 30.c2c3 Kg7f6 31.Kd2d3
>Kf6e5 32.Kd3c4 Ke5f4 33.Kc4b4 Ta3xa2 34.Tb2xa2 h5h4 35.Kb4xa4 h4h3 36.g2xh3
>Kf4xf3 37.Ka4b5 Kf3xe4
>
>Looks like a win for white ;-)
>
>Cheers,
>
>Martin
Hi Martin
After studying this position more deeply I must
admit that's an easy win for white. Below a short
analysis. In the initial position, programs seem
to have great difficulty in finding the quiet move
32.Kd3!! which prevents the important d5-d4.
Regards
Kurt
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "Fruit 2.2.1"]
[Result "*"]
[SetUp "1"]
[FEN "6k1/4pp1p/3p4/7p/p3P3/r4P2/P1PK2P1/1R6 w - - 0 29"]
[PlyCount "19"]
{32MB, Junior8.ctg, P4 1800} 29. Rb2 e6 30. c3 d5 31. exd5 exd5 32. Kd3 Kf8 33.
Re2 f6 34. Kd4 Kf7 35. Rc2 Ke6 36. Kc5 d4 37. Kxd4 Kf5 38. Kc4 {and White wins}
*
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