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Subject: Re: another anti-computer endgame position

Author: Uri Blass

Date: 08:13:06 08/29/04

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On August 29, 2004 at 10:16:49, Ingo Bauer wrote:

>Hi
>
>>[D] 8/6k1/4p1r1/4Pp1R/5P2/5K2/7P/8 w - - 0 1
>
>Engine: Shredder 8 (1024 MB)
>by Stefan Meyer-Kahlen
>
>14/19  0:01   +2.00    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.Kg3 Kf7
>                       4.Kf2 Kg6 5.Kg2 Kh6 6.h3 Kg6 7.Kg3 Kh5
>                       8.Kf3 Kh4 9.Kg2 Kh5 10.Kg3 Kg6
>                       11.Kf2 Kh5 12.Kf3 Kh4 13.Kg2 Kh5
>                       14.Kg3 (82.200) 61
>
>15/21  0:01   +1.99    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.Kg3 Kf7
>                       4.Kf2 Kg6 5.Kg2 Kg7 6.Kg3 Kf7 7.Kf2 Kg6
>                       8.Kg2 Kg7 9.Kg3 Kf7 10.Kf2 (101.382) 69
>
>16/23  0:01   +1.99    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.Kg3 Kf7
>                       4.Kf2 Kg6 5.Kg2 Kg7 6.Kg3 Kf7 7.Kf2 Kg6
>                       8.Kg2 Kg7 9.Kg3 Kf7 10.Kf2 (130.776) 86
>
>17/30  0:01   +1.99    1.Rg5 Rxg5 2.fxg5 Kg6 3.h4 f4 4.Kxf4 Kh5
>                       5.Ke4 Kg4 6.Kd4 Kf5 7.Kc5 Kf4 8.Kd6 Ke3
>                       9.Kxe6 Kd3 10.h5 (244.922) 123
>
>18/31  0:03   +1.99    1.Rg5 Kf7 2.Kg3 Kg7 3.Rxg6+ Kxg6
>                       4.Kh4 Kh6 5.h3 Kg6 6.Kg3 Kh5 7.Kf3 Kh4
>                       8.Kg2 Kh5 9.Kh1 Kh6 10.Kg1 Kg7
>                       11.Kh2 Kh6 12.Kg3 Kh5 13.Kf3 Kh4
>                       14.Kg2 (429.031) 142
>
>19/31  0:03   +1.99    1.Rg5 Kf7 2.Kg3 Kg7 3.Rxg6+ Kxg6
>                       4.h3 Kh5 5.Kg2 Kh4 6.Kh2 Kh5 7.Kg3 Kh6
>                       8.Kf3 Kh5 9.Kf2 Kh4 10.Kf3 Kxh3
>                       11.Ke2 Kh4 12.Kd3 Kg4 13.Ke3 Kh5
>                       14.Kd4 (518.491) 150
>
>20/33  0:04   +1.99    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.h3 Kh5
>                       4.Kf2 Kh4 5.Kg2 Kh5 6.Kh1 Kh6 7.Kg1 Kg7
>                       8.Kh2 Kh6 9.Kh1 Kh5 10.Kg2 Kh4
>                       11.Kh2 Kh5 12.Kg3 Kh6 13.Kf3 Kh5
>                       14.Kf2 (712.643) 150
>
>21/38  0:05   +1.99    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.h3 Kh5
>                       4.Kf2 Kh4 5.Kg2 Kh5 6.Kh1 Kh6 7.Kg1 Kg7
>                       8.Kh2 Kh6 9.Kh1 Kh5 10.Kg2 Kh4
>                       11.Kh2 Kh5 12.Kg1 Kh4 13.Kh2 Kh5
>                       14.Kg1 (809.278) 150
>
>22/40  0:06   +1.99    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.h3 Kh5
>                       4.Kf2 Kh4 5.Kg2 Kh5 6.Kh1 Kh6 7.Kg1 Kg7
>                       8.Kh2 Kh6 9.Kh1 Kh5 10.Kg2 Kh4
>                       11.Kh2 Kh5 12.Kg1 Kh4 13.Kh2 Kh5
>                       14.Kg1 (970.783) 156
>
>23/40  0:07   +1.99    1.Rg5 Kh6 2.Rxg6+ Kxg6 3.h3 Kh5
>                       4.Kf2 Kh4 5.Kg2 Kh5 6.Kh1 Kh6 7.Kg1 Kg7
>                       8.Kh2 Kh6 9.Kh1 Kh5 10.Kg2 Kh4
>                       11.Kh2 Kh5 12.Kg1 Kh4 13.Kh2 Kh5
>                       14.Kg1 (1.177.246) 156
>
>24/43  0:17   +2.13    1.Rg5 Kf7 2.h4 Rh6 3.h5 Rh8 4.Kg3 Rb8
>                       5.h6 Rh8 6.Rg7+ Kf8 7.Rg6 Kf7 8.Rf6+ Ke7
>                       9.Kh4 Rg8 10.h7 Rb8 11.Rh6 Rg8
>                       12.hxg8Q Kd7 13.Rxe6 (4.272.449) 242
>
>24/43  0:23   +2.14++  1.h4 Kg8 (5.666.804) 237
>
>24/43  0:35   +2.43    1.h4 Kf7 2.Rg5 Rh6 3.h5 Rh8 4.Kg3 Rb8
>                       5.h6 Rh8 6.Rg7+ Kf8 7.Rg6 Kf7 8.Rf6+ Ke7
>                       9.Kh4 Rg8 10.Kh5 Rd8 11.Rg6 Kd7
>                       12.Rg7+ Kc6 13.h7 Rg8 14.hxg8Q (11.555.705) 326
>
>25/39  0:44   +2.45    1.h4 Rh6 2.Rg5+ Kf7 3.h5 Rxh5 4.Rxh5 Kg6
>                       5.Rg5+ Kf7 (13.056.079) 292
>
>26/46  1:44   +2.62    1.h4 Kf7 2.Rg5 Ke7 3.Rxg6 Kd8 (27.946.440) 267
>
>27/46  2:24   +2.64    1.h4 Rh6 2.Rg5+ Kh7 3.h5 Kh8 (32.456.054) 223
>
>28/49  4:57   +2.85    1.h4 Rh6 2.Rg5+ Kf7 3.h5 Rh8 4.Kg3 Rb8
>                       5.h6 Rh8 6.Rg7+ Kf8 7.Rg6 Kf7 8.Rf6+ Ke7
>                       9.Kh4 Ra8 10.Rg6 Kf7 11.Rg7+ Kf8 (65.631.683) 220
>
>29/49  9:10   +2.89    1.h4 Rh6 2.Rg5+ Kh7 3.h5 Kh8 4.Ke3 Rh7
>                       5.Rg6 Rxh5 6.Rxe6 Rh3+ 7.Kf2 Rh5 (113.634.089) 206
>
>30/53  12:35  +2.89    1.h4 Rh6 2.Rg5+ Kh7 3.h5 Kh8 4.Ke3 Rh7
>                       5.Rg6 Rxh5 6.Rxe6 Rh3+ 7.Kf2 Kg7
>                       8.Rf6 Rb3 9.Rxf5 (147.746.279) 195
>
>31/57  16:43  +2.89    1.h4 Rh6 2.Rg5+ Kh7 3.h5 Kh8 4.Ke3 Rh7
>                       5.Rg6 Rxh5 6.Rxe6 Rh3+ 7.Kd4 Rh4
>                       8.Rf6 Rxf4+ 9.Ke3 Re4+ 10.Kd2 (185.579.510) 184
>
>32/57  23:15  +2.94    1.h4 Rh6 2.Rg5+ Kh7 3.h5 Kh8 4.Ke3 Rh7
>                       5.Rg6 Rxh5 6.Rxe6 Rh3+ 7.Kf2 Kg7
>                       8.Rf6 Rb3 (261.125.636) 187
>
>best move: h2-h4 time: 26:20.516 min  n/s: 195.900  CPU 29.4%   n/s(1CPU):
>666.326  nodes: 309.598.753 TB: 2.241.114
>
>Ingo

Movei also agree about h4 and score goes up to +2 after a long search

depth=23 +2.00 h2h4 g7f7 h5g5 g6h6 h4h5 h6h8 f3g3 h8d8 h5h6 d8h8 g5g7 f7f8 g7g6
f8f7 g6f6 f7e7 g3h4 h8g8 h4h5 g8h8 f6g6 h8h7 g6g2 e7f7 h5g5

Uri



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