Author: Tim Foden
Date: 02:52:47 10/05/01
Go up one level in this thread
On October 04, 2001 at 10:46:10, leonid wrote:
>On October 04, 2001 at 08:58:20, Paul wrote:
>
>>On October 04, 2001 at 06:31:46, leonid wrote:
>>
>>>[D]k2rQN2/b2bP1R1/r2pQ2K/qqqqQ2B/n2nQ2Q/q2qP1R1/p2pNB2/8 w - -
>>>
>>>Please indicate your result.
>>>
>>>Thanks,
>>>Leonid.
>>
>>Hi Leonid!
>
>Hi, Paul!
>
>>I guess this problem was composed especially for Heiner's harddisk, but this is
>>what Pretz found on my p3/1000:
>>
>>00:24 WM11 08 exd8=Q+ Qxd8 Qhxd8+ Bb8 Q6xd5+ Rc6 Qxb8+ Qxb8 Qxb8+ Kxb8 Nxd7+ Kc7
>>Nxc5+ Kb6 Nd7+ Kc7 Nb6+ Kb8 Qe8+ Rc8 Qxc8#
>>
>>So a mate in 11 in 24 seconds.
>
>We found with you mate at same depth, 11 moves. Had no chance to expect to reach
>solution by brute force, since 7 moves took already 1 hours and 3 min. I
>actually expected that you will use Heiner solver to find shorter solution for
>this position.
>
>Your program give all the time great result. We are almost identical. Mine took
>in 18 seconds.
Hi. I thought I'd give GLC a go at this. It confirms a mate in 11 after 60
seconds. I left it running though, and it has now found a mate in 10 (3 mins 10
secs).
7 36.96 +30.911 21919k exd8=R+ Qxd8 2. Qhxd8+ Bb8 3. Qxb8+ Qxb8 4. Q4xd5+
Rc6 5. Qxb8+ Kxb8 6. Nxd7+ Ka7 7. Nxc5+ Kb6 8.
Rb7+ Ka5 9. Nxd3+ Rc5 10. Ra7+ Kb6
8 37.69 ++ 22262k exd8=R+ (a=30.51 b=31.31 e=31.31)
8 59.70 +Mate11 39767k exd8=R+ Qxd8 2. Qhxd8+ Bb8 3. Qxb8+ Qxb8 4. Q4xd5+
Rc6 5. Qxb8+ Kxb8 6. Nxd7+ Ka7 7. Nxc5+ Kb6 8.
Nd7+ Kb7 9. Nb6+ Kb8 10. Qc8+ Rxc8 11. Qb7#
8 1:23 +Mate11 59298k exd8=R+ Qxd8 2. Qhxd8+ Bb8 3. Qxb8+ Qxb8 4. Q4xd5+
Rc6 5. Qxb8+ Kxb8 6. Nxd7+ Ka7 7. Nxc5+ Kb6 8.
Nd7+ Kb7 9. Nb6+ Kb8 10. Qc8+ Rxc8 11. Qb7#
9 3:06 +Mate10 147706k exd8=R+ Qxd8 2. Qhxd8+ Bb8 3. Qxb8+ Qxb8 4. Q5xd5+
Qc6 5. Qxb8+ Kxb8 6. Qe8+ Bc8 7. Qxc8+ Kxc8 8.
Qe8+ Qxe8 9. Qb7+ Kd8 10. Qc7#
9 4:51 +Mate10 243875k exd8=R+ Qxd8 2. Qhxd8+ Bb8 3. Qxb8+ Qxb8 4. Q5xd5+
Qc6 5. Qxb8+ Kxb8 6. Qe8+ Bc8 7. Qxc8+ Kxc8 8.
Qe8+ Qxe8 9. Qb7+ Kd8 10. Qc7#
Cheers, Tim.
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.