Author: Robert Hyatt
Date: 10:42:26 09/22/99
Go up one level in this thread
On September 22, 1999 at 13:40:37, Robert Hyatt wrote:
>On September 22, 1999 at 11:46:29, Howard Exner wrote:
>
>>Do any of the programs with endgame tablebases solve this position?
>>
>>8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - - id Pos 111 - ECM98H.EPD; bm b3b2
>>
>>It looks too difficult for non tablebase programs.
>
>
>Crafty solves it, but it takes longer than I would like to see... 11 minutes.
>
>here is the output: (quad xeon with all the 5 piece ending databases).
>
> 15-> 1:46 -0.09 1. ... Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4.
> Kb1 Bd4 5. Ba3 h6 6. Bb2 h5 7. Bxd4
> exd4 8. Kb2 hxg4 9. hxg4 d3 10. Kxb3
> d2 11. Kc2
> 16 2:21 -0.17 1. ... Kd6 2. Bf8+ Ke6 3. f5+ gxf5
> 4. gxf5+ Kf6 5. Bc5 h5 6. Kb1 Kf7 7.
> Ba3 Kf6 8. Kc1 h4 9. Bb2 Be1 10. Kd1
> Bf2
> (3) 16-> 4:07 -0.17 1. ... Kd6 2. Bf8+ Ke6 3. f5+ gxf5
> 4. gxf5+ Kf6 5. Bc5 h5 6. Kb1 Kf7 7.
> Ba3 Kf6 8. Kc1 h4 9. Bb2 Be1 10. Kd1
> Bf2
> (2) 17 6:09 -0.26 1. ... Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4.
> Ba3 Bd4 5. Kb1 Bc3 6. g5+ Kf7 7. f6
> Bd2 8. Bc1 <HT>
> 17 11:26 0.00 1. ... b2+ 2. Kc2 exf4 3. Bxc3 f3 4.
> Be1 Kd4 5. Bf2+ Kxe4 6. Ba7 Kf4 7.
> Bf2 Ke4
> (4) 17-> 11:42 0.00 1. ... b2+ 2. Kc2 exf4 3. Bxc3 f3 4.
> Be1 Kd4 5. Bf2+ Kxe4 6. Ba7 Kf4 7.
> Bf2 Ke4
>
>Don't know whether it will fail high at 18 or not, however...
depth 18 analysis:
(3) 18 13:55 0.31 1. ... b2+ 2. Kc2 exf4 3. Bxc3 f3 4.
Be1 Kd4 5. Bf2+ Kxe4 6. Ba7 b1=Q+ 7.
Kxb1 Kd3 8. h4 Ke2 9. h5 gxh5 10. gxh5
f2 11. Bxf2 Kxf2 12. Kc2 Ke3
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