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Subject: Re: Fruit finds mate in 45 Movei find it faster

Author: Uri Blass

Date: 04:53:15 11/03/05

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On November 03, 2005 at 07:18:15, Ignacio Santos Crespo wrote:

>[D]b2b3R/1np2pp1/2N5/n1PK4/pP3P2/N1k2p2/Rpp3p1/r1B2rq1 w - - 0 1
>
>On my AMD64 3200+ with 512 MB for hash Fruit 2.2.1 finds mate in 45:
>
>FEN: b2b3R/1np2pp1/2N5/n1PK4/pP3P2/N1k2p2/Rpp3p1/r1B2rq1 w - - 0 1
>
>Fruit 2.2.1:
>  1/17	00:01	       3.305	0	-19,29	Ac1xb2+ Rc3b3
>  2/18	00:01	      18.416	0	-19,74	Ac1xb2+ Rc3b3 Ta2xa1 Tf1xa1
>  2/23	00:01	      19.098	0	-19,39	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Ta2xb2
>Tf1xc1 b4xa5 Cb7xa5+ Rd5d4
>  3/26	00:01	      21.782	0	-19,81	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Cc3e4+
>Rf2e1 Ta2xb2 Ta1xc1 b4xa5 Cb7xa5+ c5c6
>  4/42	00:01	      36.814	0	-19,81	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Cc3e4+
>Rf2e1 Ta2xb2 Ta1xc1 b4xa5 Cb7xa5+ c5c6
>  5/48	00:01	      80.382	0	-19,87	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Ce5d3+
>Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+
>Rd7c8 Cf5e7+ Rc8b8 Ce5c6+ Ca5xc6 Ce7xc6+ Rb8c8 Cc6a7+ Rc8d7 c5c6+ Rd7e7 Ca7c8+
>Re7f6 Ac1xb2+ Rf6g6
>  6/51	00:01	     189.641	0	-20,41	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Ce5d3+
>Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+
>Rd7c8 Cf5e7+ Rc8b8 Ce5c6+ Ca5xc6 Ce7xc6+ Rb8c8 Cc6a7+ Rc8d7 c5c6+ Rd7e7 Ca7c8+
>Re7f6 Ac1xb2+ Rf6g6 Ta2xa1 Tf1xa1
>  7/55	00:01	     495.621	0	-20,11	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Ce5d3+
>Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+
>Rd7c8 Cf5e7+ Rc8b8 Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5xb4 Cb8a6+
>Rb4c3 Ca7b5+ Rc3d3 Ca6b4+ Rd3e2 Cb5c3+ Re2f2 Cc3e4+ Rf2e1 Cb4xc2+ Re1d1
>  8/71	00:02	     670.029	620.000	 0,00	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2
>Ce5d3+ Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7
>Cg4e5+ Rd7c8 Cf5e7+ Rc8b8 Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5xb4
>Cb8a6+ Rb4c3 Ca7b5+ Rc3d3 Ca6b4+ Rd3e2 Cb5c3+ Re2f2 Cb4d3+ Rf2g3 Cc3e4+ Rg3g4
>Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+ Rd7c8 Cf5e7+ Rc8b8
>Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5b4
>  9/71	00:02	   1.021.707	615.955	 0,00	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2
>Ce5d3+ Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7
>Cg4e5+ Rd7c8 Cf5e7+ Rc8b8 Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5xb4
>Cb8a6+ Rb4c3 Ca7b5+ Rc3d3 Ca6b4+ Rd3e2 Cb5c3+ Re2f2 Cb4d3+ Rf2g3 Cc3e4+ Rg3g4
>Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+ Rd7c8 Cf5e7+ Rc8b8
>Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5b4
> 10/77	00:03	   1.770.410	625.000	 0,00	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2
>Ce5d3+ Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7
>Cg4e5+ Rd7c8 Cf5e7+ Rc8b8 Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5xb4
>Cb8a6+ Rb4c3 Ca7b5+ Rc3d3 Ca6b4+ Rd3e2 Cb5c3+ Re2f2 Cb4d3+ Rf2g3 Cc3e4+ Rg3g4
>Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+ Rd7c8 Cf5e7+ Rc8b8
>Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5b4
> 11/85	00:06	   3.569.132	648.000	 0,00	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2
>Ce5d3+ Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7
>Cg4e5+ Rd7c8 Cf5e7+ Rc8b8 Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5xb4
>Cb8a6+ Rb4c3 Ca7b5+ Rc3d3 Ca6b4+ Rd3e2 Cb5c3+ Re2f2 Cb4d3+ Rf2g3 Cc3e4+ Rg3g4
>Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+ Rd7c8 Cf5e7+ Rc8b8
>Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5b4
> 12/95	02:06	  81.017.675	644.000	+M45	Ca3b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2
>Ce5d3+ Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7
>Cg4e5+ Rd7c8 Cf5e7+ Rc8b8 Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Cc8a7+ Rb5xb4
>Cb8a6+ Rb4c3 Ca7b5+ Rc3d3 Ca6b4+ Rd3e2 Cb5c3+ Re2f2 Cb4d3+ Rf2g3 Cc3e4+ Rg3g4
>Cd3e5+ Rg4f5 Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+ Rd7c8 Cf5e7+ Rc8b8
>Ce5d7+ Rb8a7 Ce7c8+ Ra7a6 Cd7b8+ Ra6b5 Ta2xb2+ Ca5b3 Cc8a7+ Rb5b4 Cb8c6+ Rb4c3
>Ca7b5+ Rc3d3 Cc6e5+ Rd3e2 Cb5c3+ Re2f2 Ce5d3+ Rf2g3 Cc3e4+ Rg3g4 Cd3e5+ Rg4f5
>Ce4g3+ Rf5f6 Ce5g4+ Rf6e7 Cg3f5+ Re7d7 Cg4e5+ Rd7c8 Cf5e7+ Rc8b8 Ce5c6+
>
>Best,
>Ignacio.

movei on a slower hardware need less time to find the same thing
Fruit does too many extensions so movei can get depth 14 in less time relative
to the time that fruit get depth 12 here.

Here is analysis both by latest movei and by movei00_8_295 that is faster here
Note that the public version is simply faster in nodes per second and it is the
main reason for the difference.

You should try movei when you see some interesting long mate because it has good
chance to find it faster than other programs.

There are mates that it cannot find but if the right conditions happen it can
beat fruit and many playing programs(I do not dare to claim that movei is the
fastest because I did not try all programs but in some mates like this one it is
one of the fastest programs).


setboard b2b3R/1np2pp1/2N5/n1PK4/pP3P2/N1k2p2/Rpp3p1/r1B2rq1 w - - 0 1
analyze
 1 -2147 4 661  c1b2 c3b3
2 -2117 4 776 c1b2
 2 -2135 4 1099  c1b2 c3b3 a2a1 f1a1 c6d8 b3b2
 2 -2135 5 1634  c1b2 c3b3 a2a1 f1a1 c6d8 b3b2
3 -2165 6 2062 c1b2
 3 -2201 6 2670  c1b2 c3b3 a2a1 f1a1
3 -2200 7 3506 a3b5
3 -2171 8 3915 a3b5
 3 -112 8 4270  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
 3 -112 9 4434  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
4 -142 9 4546 a3b5
4 -212 10 4657 a3b5
 4 -150 13 7657  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7
 4 -150 14 8054  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7
5 -180 16 10639 a3b5
5 -250 17 13182 a3b5
 5 -1909 53 45117  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7 c
5c6 d7e7 a7c8 e7f6 c1b2
 5 -1909 57 48813  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7 c
5c6 d7e7 a7c8 e7f6 c1b2
6 -1879 59 49674 a3b5
6 -1809 59 49694 a3b5
 6 -1939 93 86017  a3b5
 6 -1939 103 96341  a3b5
7 -1909 104 96661 a3b5
7 -1839 104 96716 a3b5
 7 -1959 191 194270  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7
 c5c6 d7e7 a7c8 e7f6 c1b2 f6f5 h8h5 g7g5
 7 -1959 218 224100  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7
 c5c6 d7e7 a7c8 e7f6 c1b2 f6f5 h8h5 g7g5
8 -1929 220 225183 a3b5
8 -1859 220 225486 a3b5
 8 -130 244 257140  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
 8 -130 247 260666  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
9 -100 248 260950 a3b5
9 -30 249 261126 a3b5
 9 0 271 302249  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4
 9 0 278 313904  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4
 10 0 360 466335  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4
 10 0 389 519423  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4
 11 0 690 1073128  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4
 11 0 769 1210756  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4
 12 0 1727 2919044  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4
 12 0 1909 3224973  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4
 13 0 4847 7631803  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4
 13 0 5339 8440456  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5
e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5
c8a7 b5b4
14 30 5452 8641254 a3b5
14 100 5545 8807688 a3b5
 14 32678 9115 15718443  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5
g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8
a6b5 c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5
g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8
a6b5 a2b2 a5b3 c8a7 b5b4 b8c6 b4c3 a7b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4
g3g4 d3e5 g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5c6
 14 32678 9949 17260945  a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5
g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8
a6b5 c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5
g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8
a6b5 a2b2 a5b3 c8a7 b5b4 b8c6 b4c3 a7b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4
g3g4 d3e5 g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5c6

public version is even faster

setboard b2b3R/1np2pp1/2N5/n1PK4/pP3P2/N1k2p2/Rpp3p1/r1B2rq1 w - - 0 1
analyze
 1 -1878 0 605 c1b2 c3d2
2 -1908 0 752 c1b2
2 -1978 1 878 c1b2
 2 -2127 1 1255 c1b2 c3b3 a2a1 f1a1 c6d8 b3b2
2 -2126 1 1517 a3b5
2 -2097 1 1525 a3b5
 2 -2000 1 1718 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4
 2 -2000 2 1941 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4
3 -1970 2 2147 a3b5
3 -1900 2 2164 a3b5
 3 -90 2 2526 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3 f
5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
 3 -90 3 3001 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3 f
5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
4 -120 3 3323 a3b5
4 -190 4 3644 a3b5
 4 -128 6 6793 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7
 4 -128 7 7223 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7
5 -158 8 9406 a3b5
5 -228 9 11594 a3b5
 5 -1737 19 25325 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7 c5
c6 d7e7 a7c8 e7f6 c1b2
 5 -1737 20 26810 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7 c5
c6 d7e7 a7c8 e7f6 c1b2
6 -1707 21 27596 a3b5
6 -1637 22 27616 a3b5
 6 -1757 29 40472 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7 c5
c6 d7e7 a7c8 e7f6 c1b2 f6f5
 6 -1757 33 45433 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e7c6 a5c6 e5c6 b8c8 c6a7 c8d7 c5
c6 d7e7 a7c8 e7f6 c1b2 f6f5
7 -1727 35 48391 a3b5
7 -1657 35 48411 a3b5
 7 -98 42 62519 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a7
 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
 f5f6
 7 -98 43 63735 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a7
 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
 f5f6
 8 -108 54 85519 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
 8 -108 56 88848 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8
9 -78 57 89057 a3b5
9 -8 58 89158 a3b5
 9 0 82 144896 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a7
b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a7
b5b4
 9 0 88 157199 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a7
b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g3
f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a7
b5b4
 10 0 170 337935 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4
 10 0 196 394648 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4g
3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8a
7 b5b4
 11 0 474 1012613 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4
 11 0 540 1155204 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e4
g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c8
a7 b5b4
 12 0 1404 2862542 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4
 12 0 1557 3173993 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4
 13 0 3811 7757283 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4
 13 0 4182 8572431 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4f5 e
4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6b5 c
8a7 b5b4
14 30 4216 8648235 a3b5
14 100 4248 8719879 a3b5
 14 9911 7588 16197827 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4
f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6
b5 c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4
f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6
b5 a2b2 a5b3 c8a7 b5b4 b8c6 b4c3 a7b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3
g4 d3e5 g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5c6
 14 9911 8286 17852873 a3b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3g4 d3e5 g4
f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6
b5 c8a7 b5b4 b8a6 b4c3 a7b5 c3d3 a6b4 d3e2 b5c3 e2f2 b4d3 f2g3 c3e4 g3g4 d3e5 g4
f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5d7 b8a7 e7c8 a7a6 d7b8 a6
b5 a2b2 a5b3 c8a7 b5b4 b8c6 b4c3 a7b5 c3d3 c6e5 d3e2 b5c3 e2f2 e5d3 f2g3 c3e4 g3
g4 d3e5 g4f5 e4g3 f5f6 e5g4 f6e7 g3f5 e7d7 g4e5 d7c8 f5e7 c8b8 e5c6





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Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.