Author: Sean Empey
Date: 16:23:50 08/16/04
Go up one level in this thread
On August 16, 2004 at 08:46:12, Vincent Lejeune wrote:
>I found this position here http://www.fierz.ch/pontresina.htm , after I searched
>10 min with no board and then 10 with a board and then 20 with chessengine, I
>gave up ... is this position buggy ??
>
>pasting :
>
> A cool (and very instructive) position which occurred in round 5: black to move
>and win! This one is harder than you think :-)
>Click here for a hint!
>The obvious 1... c4+ only draws. To win, you need to know something about
>'corresponding squares'.
>
>[d]8/8/4p2p/1kp1P1p1/1p4P1/1P1K2P1/7P/8 b - - 0 1
Storm likes Kc6
Initializing Storm...
***********************************
* *
* STORM! Chess Engine *
* version: 2.1.0 *
* Copyright 1999-2004 Sean Empey *
* *
* *
* ICC: stormx *
* ICC Operator: specwar *
* email: storm@specwar.com *
* web site: www.specwar.com/storm *
***********************************
EGTB access enabled
Using 5 piece tablebase files
EGTB memory = 1024M bytes.
Storm is using 3 threads
hash table memory = 96M bytes.
pawn hash table memory = 48M bytes.
Storm v2.1.0 using 3 thread(s)
White(1):
White(1): analyze
[A]White(1): sb 8/8/4p2p/1kp1P1p1/1p4P1/1P1K2P1/7P/8 b - - 0 1
17& 2.94 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kc6 8. h4
17-> 3.58 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kc6 8. h4 Kc7
18& 3.83 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kb7 8. Kd3 Kb6 9. h4
18-> 4.72 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kb7 8. Kd3 Kb6 9. h4
19& 5.30 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kb7 8. Kd3 Kb6 9. h4
19-> 6.86 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kb7 8. Kd3 Kb6 9. h4
20& 7.86 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kb7 8. Kd3 Kb6 9. h4
20-> 10.49 -2.82 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kd7 6. Kd3 Kc7 7. Ke4
Kb7 8. Kd3 Kb6 9. h4
21& 12.88 -2.80 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kb6 6. Ke3 Ka6 7. Kd3
Kb5 8. h4 Kc6 9. hxg5 hxg5 10. Ke4
Kb6 11. Kd3 Kb5
21-> 19.61 -2.80 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kb6 6. Ke3 Ka6 7. Kd3
Kb5 8. h4 Kc6 9. hxg5 hxg5 10. Ke4
Kb6 11. Kd3 Kb5
22& 23.33 -2.80 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kb6 6. Ke3 Ka6 7. Kd2
Kb7 8. Ke3 Kc7 9. Kd3 Kb6 10. Ke3
22-> 56.11 -2.80 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Kc6 5. Ke4 Kb6 6. Ke3 Ka6 7. Kd2
Kb7 8. Ke3 Kc7 9. Kd3 Kb6 10. Ke3
23& 1:08 -2.81 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Ka5 8. Kd2 Ka6 9. Ke3 Kb6 10. h5 Kc6
11. Kf3 c4 12. Ke4 cxb3
23-> 1:46 -2.81 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Ka5 8. Kd2 Ka6 9. Ke3 Kb6 10. h5 Kc6
11. Kf3 c4 12. Ke4 cxb3
24& 2:01 -2.88 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Ka5 8. Kd2 Kb6 9. Ke3 Kc6 10. Ke4 Kb5
11. Kd3
24-> 3:36 -2.88 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Ka5 8. Kd2 Kb6 9. Ke3 Kc6 10. Ke4 Kb5
11. Kd3
25& 4:49 -2.88 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Ka5 8. Kd2 Kb6 9. Ke3 Kc6 10. Ke4 Kb5
11. Kd3
25-> 6:34 -2.88 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Ka5 8. Kd2 Kb6 9. Ke3 Kc6 10. Ke4 Kb5
11. Kd3
26& 7:40 -3.08 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Kb6 8. Ke3 Kb7 9. Kd3 Kc7 10. Kd2 Kc6
26-> 17:53 -3.08 1. ... Kc6 2. Kc4 Kb6 3. Kd3 Kb5 4.
h3 Ka5 5. Kc4 Kb6 6. Kd3 Kb5 7. h4
Kb6 8. Ke3 Kb7 9. Kd3 Kc7 10. Kd2 Kc6
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