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Subject: Re: A mate for Leonid

Author: Dann Corbit

Date: 14:44:23 10/10/01

Go up one level in this thread


On October 10, 2001 at 13:16:34, Sven Reichard wrote:

>Thought you might like this.
>
>Bernhard Gaerths, "Das Matt", 1942
>
>[D] 8/8/ppPP4/kp1Pp1P1/1p2P1pb/1K1P4/P4B11/8 w - -
>
>Please indicate your result! I'd also be interested in what other programs
>think.
>
>Alice fails to solve it in reasonable time.

Yace solves it quickly:
Crafty is the magic word, Scid wants to see
Yace (Yet another chess engine) version 0.99.50

Type help for a (very unhelpful) list of commands
Make sure, you have a file yace.ini in the current directory, with a line:

hash 30M

or similar, otherwise Yace will only use a very small hash of 1M.

feature done=0
Could not open "dbbook.bin" in mode rb: Winboard does not like my error message
entries 87381 size 1048572 size_wanted 1048576 tts3 29126
pos_learn = 1
Stored 0 learned positions into hash table
book_learn = 4
Could not open "dblearn.bin" in mode rb: Winboard does not like my error message
hash size wanted 65000000
Stored 0 learned positions into hash table
entries 5416665 size 64999980 size_wanted 65000000 tts3 1805554
5-men endgame table bases found
white ( 1): has 200M
hash size wanted 200000000
Stored 0 learned positions into hash table
entries 16666665 size 199999980 size_wanted 200000000 tts3 5555554
white ( 1): st 999
white ( 1): test m12.ci
title position 1
Stored 0 learned positions into hash table
solution  Be1
usetime = 998.00, mintime = 998.00 maxtime = 998.00 tl 998.00 ml 0
         3   0.001  -5.36  1t  1.Bxh4 g1=Q {-651}
        35   0.001  -3.90  1t  1.d7 Bxf2 2.d8=Q g1=Q {-430}
       107   0.001  -3.90  1.  1.d7 Bxf2 2.d8=Q g1=Q {-430}
       121   0.002  -3.90  2t  1.d7 Bxf2 2.d8=QH g1=QH {-430}
       207   0.002  -3.90  2.  1.d7 Bxf2 2.d8=Q g1=Q {-430}
       391   0.003  -3.90  3t  1.d7 Bxf2 2.d8=Q g1=QH {-430}
      1512   0.006  -3.90  3.  1.d7 Bxf2 2.d8=Q g1=Q {-430}
      2446   0.008  -3.49  4++ 1.d7 Bxg5 2.c7 g1=B 3.d8=Q h1=Q {-430}
      4093   0.013  -2.24  4t  1.d7 h1=Q 2.Bxb6+ Kxb6 {-1271}
      5947   0.018  -2.24  4.  1.d7 h1=Q 2.Bxb6+ Kxb6 {-1271}
      6948   0.021  -2.77  5-- 1.d7 g1=Q 2.d4
      8691   0.026 -11.26  5t  1.d7 g1=Q 2.Bxg1 hxg1=Q 3.Kc2 Qf2+ 4.Kd1 Bxg5
                               {-1351}
     20358   0.058 -11.25  5t+ 1.Be1 Bxe1 2.d7 h1=Q 3.d8=Q g1=N {-690}
     21580   0.062  -6.26  5t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=Q g1=Q 4.c7 Qg3
                               5.c8=Q Qxd3+ 6.Kb2 Qhxe4 {-590}
     23173   0.067  -6.25  5t+ 1.a3 bxa3 2.d7 g3 3.d8=Q gxf2 4.Ka2 f1=Q {-510}
     26033   0.074  -5.57  5t  1.a3 bxa3 2.d7 Bxf2 3.d8=Q g1=Q {-510}
     29931   0.085  -5.57  5.  1.a3 bxa3 2.d7 Bxf2 3.d8=Q g1=Q {-510}
     36835   0.102  -5.33  6t  1.a3 bxa3 2.d7 Bxf2 3.d8=N b4 4.Nb7+ Kb5H
                               5.Nd6+H Kc5H {-250}
     39259   0.111  -5.32  6t+ 1.Be1 Bxe1 2.d7 h1=N 3.d8=Q g3 4.c7 Bc3 {231}
     40329   0.117  -5.17  6++ 1.Be1 Bxe1 2.d7 h1=N 3.d8=Q g3 4.c7 Bc3 {231}
     42823   0.126  -3.82  6t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 Bc3 6.b8=Q g1=Q {-430}
     58633   0.166  -3.82  6.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 Bc3 6.b8=Q g1=Q {-430}
     69082   0.191  -3.82  7t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7H
                               5.cxb7H Bc3H 6.b8=QH g1=QH {-430}
    103280   0.270  -3.82  7.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 Bc3 6.b8=Q g1=Q {-430}
    119266   0.311  -3.62  8t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 Bc3 {-430}
    204496   0.505  -3.62  8.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 Bc3 {-430}
    237428   0.578  -3.58  9t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=Q {-430}
    410006   0.957  -3.58  9.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=Q {-430}
    470001   1.081  -3.76 10t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=Q Qd4 {-430}
    875503   1.972  -3.76 10.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=Q Qd4 {-430}
   1084367   2.446  -3.84 11t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=Q Qd4 8.Kc2 {-430}
   1943426   4.331  -3.84 11.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=Q Qd4 8.Kc2 {-430}
   2270076   5.032  -3.66 12t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=N Qc5 8.Nc6+ Qxc6H 9.g7H
                               {HT}
   4046589   8.952  -3.66 12.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.g6 Qc7 5.Nb7+
                               Qxb7 6.cxb7 g1=Q 7.b8=N Qc5 8.Nc6+ Qxc6 9.g7
   4866315  10.737  -3.85 13t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5H 7.Nc6+H Qxc6H 8.dxc6H
                               g3H 9.c7H g2H 10.c8=QH g1=QH {-430}
   8679143  18.995  -3.85 13.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 g2 10.c8=Q g1=Q {-430}
  10123945  22.060  -3.85 14t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3H
                               9.c7H g2H 10.c8=QH g1=QH 11.Qf5H {-430}
  18207159  40.146  -3.85 14.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 g2 10.c8=Q g1=Q 11.Qf5 {-430}
  21519355  47.379  -3.89 15t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 g2 10.c8=Q g1=Q 11.Qc1 Qg3 12.Qb1 {-430}
  38963069  1:27.1  -3.89 15.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 g2 10.c8=Q g1=Q 11.Qc1 Qg3 12.Qb1 {-430}
  39956153  1:29.5  -3.49 16++ 1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=N 6.b8=Q g3 7.a3 g2 8.g6 Nf3 9.g7 bxa3
  43666817  1:35.2  Mat12 16t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 Bd2 10.c8=N Bxg5 11.Nd6 g2 12.Nb7# {-250}
  87762396  2:39.5  Mat12 16.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 Bd2 10.c8=N Bxg5 11.Nd6 g2 12.Nb7# {-250}
  93048627  2:47.1  Mat12 17t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7H
                               5.cxb7H g1=QH 6.b8=NH Qc5H 7.Nc6+H Qxc6H
                               8.dxc6H g3H 9.c7H Bd2H 10.c8=NH Bxg5H 11.Nd6H
                               g2H 12.Nb7#H {-250}
 151863085  4:11.4  Mat12 17.  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7
                               5.cxb7 g1=Q 6.b8=N Qc5 7.Nc6+ Qxc6 8.dxc6 g3
                               9.c7 Bd2 10.c8=N Bxg5 11.Nd6 g2 12.Nb7# {-250}
 162586520  4:26.7  Mat12 18t  1.Be1 Bxe1 2.d7 h1=Q 3.d8=N Qh7 4.Nb7+ Qxb7H
                               5.cxb7H g1=QH 6.b8=QH {HT}




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