Test position

[kgburcham]

Test Position #7 Bg6
G. Hoerning, Study 2000
[D] 4K3/pp5p/r6P/k1P4P/P3B3/8/8/8 w - -

[zullil]

Test Position #7 Bg6
G. Hoerning, Study 2000
[D] 4K3/pp5p/r6P/k1P4P/P3B3/8/8/8 w - -

Thought I just posted a reply, but I guess I missed "Submit."

Critter-1.2.1 (8 threads) switched to the odd-looking Bg6 in about two minutes. I'll need to think about this one.

Code: Select all

30/64  00:39 362187108 9111854  +0.38 c6 Rxc6 Bxc6 bxc6 Kf7 c5 Kg7 c4 Kxh7 c3 Kg6 c2 h7 c1=Q h8=Q Qc2+ Kg5 Qd2+ Kg4 Qg2+ Kf4 Qf2+ Ke4 Qe2+ Kd5 Qd1+ Kc5 Qc2+ Kd6 Qd3+ Ke6 Qb3+ Ke7 Qa3+ Ke8 Qxa4+ Kf8 Qa3+ Kf7 Qb3+ Kg6 Qg3+ Kh7 Qd3+ Kh6 Qd2+ Kg6 Qd3+ Kg5 Qe3+ Kg4 Qe4+ Kg3 Qe3+ Kg2 Qe2+ Kh3 Qf3+ Kh2 Qe2+ Kg3 Qe3+
30/64+ 02:11 1279684189 9740549  +0.46 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Kxc5 Bg6 b5 h7 b4 Kg7 b3 h8=Q Rxh8 Kxh8 Kd4 h6 b2 h7 Ke5 Kg7
30/64+ 03:13 1946206099 10080469  +0.55 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Kxc5 Bg6 b5 h7 b4 Kg7 b3 h8=Q Rxh8 Kxh8 Kd4 h6 b2 h7 Ke5 Kg7
30/70+ 04:32 2828983757 10371163  +0.68 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Kxc5 Bg6 b5 h7 a5 Kg7 a4 h6 a3 Bf7 Kd4 h8=Q Rxh8 Kxh8 Ke5 h7 Kf6 Kg8
30/70+ 06:14 3968320736 10588993  +0.87 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Rc6+ Kg5 Rc8 Bg6 a5 Kf6 a4 h7 Kb5 Bf5 Rh8 Kg7 Rd8 h8=Q Rxh8 Kxh8 a3 Be6 Kxc5 h6 Kd6 Bg8 b5 h7 b4 Kg7
30/70+ 10:04 6766547822 11189462  +1.16 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Rc6+ Kg5 Rc8 Bg6 a5 Kf6 Kxc5 h7 a4 h6 Kd6 Kg7 Ke7 h8=Q Rxh8 Kxh8 Kf8 Bc2 b5 h7 a3 Bb1 Kf7 Ba2+ Kf6 Kg8
30/78+ 17:33 12187242215 11564384  +1.58 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Rc6+ Kg5 Rc8 Bg6 a5 Kf6 Kxc5 h7 a4 h6 Kd6 Kg7 Ke7 h8=Q Rxh8 Kxh8 Kf8 Bd3 a3 Bc4 b6 h7 b5 Bg8 b4
30/85+ 31:01 22494834891 12085965  +2.22 Bg6 Rc6 Kf7 Kxa4 Kg7 Rc7+ Kg8 Kb4 Bxh7 Rc8+ Kg7 Rc7+ Kg6 Rc8 Kf6 Rc6+ Kg5 Rc8 Bf5 Rg8+ Bg6 Rc8 h7 Ra8 Kf6 Rd8 Kf7 a5 Kg7 a4 h8=Q Rxh8 Kxh8 Kxc5 h6 a3 Bf7 b5 h7 b4 Kg7

[Jim Collins]

Houdini 2.0 AMD Quad 3.0

New game
4K3/pp5p/r6P/k1P4P/P3B3/8/8/8 w - - 0 1

Analysis by Houdini 2.0 x64 II:

= (-0.01) Depth: 27/53 00:00:05 40561kN
1.c6 Rxc6 2.Bxc6 bxc6 3.Kf7 c5 4.Kg7 c4 5.Kxh7 c3 6.Kg6 c2 7.h7 c1Q 8.h8Q Qc2+ 9.Kg5 Qg2+ 10.Kf4 Qf2+ 11.Ke4 Qe2+ 12.Kd5 Qa2+ 13.Kd6 Qa3+ 14.Kc7 Qc5+ 15.Kb7 Qb6+ 16.Ka8 Qc6+ 17.Kxa7 Qd7+ 18.Kb8 Qd6+ 19.Kc8 Qc6+ 20.Kb8 Qd6+ 21.Kc8
= (-0.01) Depth: 28/53 00:00:07 57792kN
1.Bg6
= (0.02 !) Depth: 28/53 00:00:38 326mN
1.Bg6
= (0.11 !) Depth: 28/53 00:00:50 423mN
1.Bg6
+/= (0.32 !) Depth: 28/57 00:01:20 681mN