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Subject: Re: who sees b2+!

Author: Tim Foden

Date: 13:27:04 08/11/03

Go up one level in this thread


On August 11, 2003 at 00:10:13, Mike Byrne wrote:

>new beta version of Crafty personality "Staunton"
>
>beautiful moves btw ....
>
>New game
>[d]8/6Bp/6p1/2k1p3/4PPP1/1pb4P/8/2K5 b - - 0 1

My current development version of GLC sees it in 45s (AXP 1.66GHz).  GLC 3.00
doesn't in a reasonable time.

Cheers, Tim.

Analysis: GLC 3.09 (devel), AXP 1.66GHz, 24MB hash...

>anal
 Game stage: Endgame
 Current eval: 1.090
 Ply   Time   Score   Nodes  Principal variation
  5   0.020  +0.164    7076  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3
  6   0.040  +0.164    8052  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3
  6   0.051  +0.164   11963  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3
  7   0.051  +0.266   14765  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3 h5
  7   0.071  +0.266   22798  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3 h5
  8   0.071  +0.216   27275  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 h5 5. Kxb3
                               hxg4 6. hxg4 Kxe4
  8   0.101  +0.216   45279  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 h5 5. Kxb3
                               hxg4 6. hxg4 Kxe4
 Generating internal KP-K end-game table...
 Done (0.190 secs)
  9   0.301  +0.172   51715  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3 Kd4 6. g5 Ke5
  9   0.331  +0.172   82975  Kd6 2. Bxe5+ Bxe5 3. fxe5+ Kxe5 4. Kb2 Kxe4 5.
                               Kxb3 Kd4 6. g5 Ke5
 10   0.621  +0.132  323984  Kd6 2. g5 Ke6 3. Bxe5 Bxe5 4. fxe5 Kxe5 5. Kb2 Kd4
                               6. Kxb3 Kxe4
 10   0.681  +0.132  372974  Kd6 2. g5 Ke6 3. Bxe5 Bxe5 4. fxe5 Kxe5 5. Kb2 Kd4
                               6. Kxb3 Kxe4
 11   0.711  +0.095  401212  Kd6 2. g5 Ke6 3. Bxe5 Bxe5 4. fxe5 Kxe5 5. Kb2
                               Kxe4 6. h4 Kf5 7. Kxb3
 11   0.802  +0.095  479832  Kd6 2. g5 Ke6 3. Bxe5 Bxe5 4. fxe5 Kxe5 5. Kb2
                               Kxe4 6. h4 Kf5 7. Kxb3
 12   1.913  +0.075 1382689  Kd6 2. Bf8+ Kc6 3. Bg7 Kd7 4. Bxe5 Bxe5 5. fxe5
                               Ke6 6. Kb2 Kxe5 7. Kxb3 h6 8. Kc4 Kxe4
 12   2.123  +0.075 1564432  Kd6 2. Bf8+ Kc6 3. Bg7 Kd7 4. Bxe5 Bxe5 5. fxe5
                               Ke6 6. Kb2 Kxe5 7. Kxb3 h6 8. Kc4 Kxe4
 13   3.375  +0.000 2609015  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 13   3.776  +0.000 2955110  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 14   4.216  +0.013 3304892  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bf4 7. Ke2 Kg5 8. Kf3 Kh4 9. f6 Kxh3
 14   4.827  +0.013 3838668  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bf4 7. Ke2 Kg5 8. Kf3 Kh4 9. f6 Kxh3
 15   5.598  +0.000 4460998  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 15   6.710  +0.000 5429561  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 16   7.561  +0.000 6128330  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 16   9.184  +0.000 7502033  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 17  10.435  +0.000 8524824  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 17  12.859  +0.000  10649k  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 18  15.513  +0.000  12759k  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 18  27.129  +0.000  22942k  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Be3+
                               6. Kd1 Bd4 7. Kc1
 19  40.088  -0.236  33343k  Kd6 2. Bf8+ Ke6 3. f5+ Kf6 4. Ba3 Bd4 5. Bb2 Bc5
                               6. Kd2 Bd4 7. Bxd4 exd4 8. h4 gxf5 9. exf5 h5
                               10. g5+ Kxf5 11. Kd1 Kg4 12. g6 Kxh4 13. Kd2
 19  45.316  +0.223  38141k  b2+ 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2 Kxe4
                               6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. h4 Ke2 9. Bg1 f2 10.
                               Bxf2 {ht}
 19  53.357  +0.223  44953k  b2+ 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2 Kxe4
                               6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. h4 Ke2 9. Bg1 f2 10.
                               Bxf2 {ht}
 20  58.414  +0.223  49423k  b2+ 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2 Kxe4
                               6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. h4 Ke2 9. Bg1 f2 10.
                               Bxf2 {ht}
 20 1:15.78  +0.223  64095k  b2+ 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2 Kxe4
                               6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. h4 Ke2 9. Bg1 f2 10.
                               Bxf2 {ht}
 21 1:51.54  +0.623  93678k  b2+ {++} 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2
                               Kxe4 6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. h4 Ke2 9. Bg1
                               f2 10. Bxf2 Kxf2 11. h5 g5 12. Kb2 Kg3 13. h6
                               Kxg4
 21 2:08.74  +0.889 105339k  b2+ 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2 Kxe4
                               6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. Bg1 Ke2 9. Kc2 f2
                               10. Bxf2 Kxf2 11. Kd3 Kg3 12. Ke3 Kxh3 13. g5
 21 2:42.09  +0.889 130579k  b2+ 2. Kb1 exf4 3. Bxc3 f3 4. Be1 Kd4 5. Kc2 Kxe4
                               6. Bf2 b1=Q+ 7. Kxb1 Kd3 8. Bg1 Ke2 9. Kc2 f2
                               10. Bxf2 Kxf2 11. Kd3 Kg3 12. Ke3 Kxh3 13. g5
Analyse>exitexit
 local:  t=2:46.44  nps=807972.0  n=134478856 (41.2% / 58.8%)
 total:  t=2:46.44  nps=807972.0  n=134478856
 stats:  fh=92.0%/3.98%/1.207%  draws=238442
 trans:  probes=55193261  hits=19929278 (36.11%)  draft=15180583 (27.50%)
 tcuts:  exact=4647 (0.01%)  upper=10187649 (18.46%)  lower=3215870 (5.83%)
 tstor:  exact=2368 (0.01%)  upper=14399696 (62.59%)  lower=8604204 (37.40%)
 ext:  check=6805503  recap=476081  ppush=1452660  1rep=213788  thrt=0
 q-moves:  gen=26537191  tested=20223326  made/un=9645459  max-dep=9
 max eval diff:  part-1=9.759  part-2=2.761



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