start your engines...

[MOBMAT]

Critter 1.6a finds it.

FEN: q4bk1/pb4p1/1p2pp2/3n3p/2NP4/1P3BP1/PB3P1P/R1R3K1 w - - 0 1

Code: Select all

+ Critter 1.6a:
 2	00:00	 723	0	+0.32	0. ... Qe8 1.Kg2
 3	00:00	 1k	0	+0.15	0. ... Qe8 1.Ne3 Bb4 2.Nxd5 Bxd5 3.Bxd5 exd5
 3	00:00	 2k	0	+0.24	0. ... h4 1.gxh4 Qe8 2.Be4
 4	00:00	 3k	0	+0.25	0. ... h4 1.Ne3 Nxe3 2.Bxb7 Qxb7 3.fxe3 hxg3 4.hxg3
 5	00:00	 4k	0	+0.31	0. ... h4 1.Be4 Nb4 2.Bxb7 Qxb7 3.gxh4
 6	00:00	 10k	0	+0.28	0. ... h4 1.Re1 Qe8 2.Ne3 Qd7 3.Nxd5 Bxd5 4.Bxd5 Qxd5 5.gxh4
 7	00:00	 19k	1,248k	+0.23	0. ... h4 1.a3 Qe8 2.b4 hxg3 3.hxg3 b5 4.Ne3
 8	00:00	 26k	1,727k	+0.22	0. ... h4 1.a3 Qe8 2.b4 Qd7 3.Kg2 b5 4.Ne3
 8	00:00	 32k	2,105k	+0.26	0. ... g6 1.a3 Qe8 2.Be4 Qf7 3.b4 b5 4.Na5
 9	00:00	 59k	1,504k	+0.22	0. ... g6 1.Be4 Kg7 2.a3 Qd8 3.b4 Qe8 4.Ne3 Qd7
 9+	00:00	 74k	1,640k	+0.35	0. ... Nb4 1.Bxh5 Nd3 2.Rc2 Nxb2 3.Rxb2 Qd8 4.Re1 Qd5
 9+	00:00	 78k	1,659k	+0.48	0. ... Nb4 1.Bxh5 Nd3 2.Rc2 Nxb2 3.Rxb2 Qd8 4.Re1 Qd5
 9	00:00	 81k	1,659k	+0.50	0. ... Nb4 1.Be2 Bf3 2.Bf1 Be4 3.Ne3 Nd3 4.Bxd3 Bxd3 5.Rc7 Bd6
 10-	00:00	 101k	1,767k	+0.41	0. ... Nb4 1.Be2 Bf3 2.Bf1 Be4 3.Ne3 Nd3 4.Bxd3 Bxd3 5.Rc7 Bd6
 10	00:00	 120k	1,873k	+0.38	0. ... Nb4 1.Be2 Qd8 2.Nd2 Qd5 3.Bf3 Qd7 4.Be2 g6 5.a3 Bh6
 11	00:00	 147k	2,047k	+0.41	0. ... Nb4 1.Be2 Qd8 2.Nd2 Qd5 3.Bf3 Qd7 4.Be2 g6 5.a3 Bh6 6.f4
 12	00:00	 209k	2,343k	+0.38	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Qd7 5.a4 Nd5 6.Bb5 Qb7 7.Nxd5 Qxd5
 13+	00:00	 302k	2,601k	+0.46	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Qd7 5.a4 Nd5 6.Bb5 Qd8 7.Bd3 Bxd3 8.Rxd3
 13	00:00	 339k	2,647k	+0.46	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Bh6 5.Bc4 Kf7 6.a4 Nd5 7.Re1 h4
 14	00:00	 528k	3,002k	+0.48	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Bh6 5.Bc4 Kf7 6.a4 Nd5 7.Re1 h4 8.gxh4
 15-	00:00	 1,805k	3,596k	+0.39	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Bh6 5.Bc4 Kf7 6.a4 Nd5 7.Re1 h4 8.gxh4
 15	00:00	 2,253k	3,537k	+0.39	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Bh6 5.Bc4 Qd7 6.a4 Kg7 7.Bb5 Qd8 8.Ba3 Nd5
 16	00:00	 3,320k	3,558k	+0.40	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Bh6 5.Bc4 Qd7 6.a4 Kg7 7.Bb5 Qd8 8.f4 a6
 17+	00:01	 6,921k	3,648k	+0.49	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Rd1 g6 4.Rac1 Bh6 5.Bc4 Qd7 6.a4 Kg7 7.Bb5 Qb7 8.Ba3 Nd5
 17	00:02	 9,278k	3,631k	+0.36	0. ... Nb4 1.Be2 h4 2.a3 Bh1 3.Kf1 Qg2+ 4.Ke1 Qxh2 5.axb4 hxg3 6.Kd2 Bxb4+ 7.Bc3 Bxc3+ 8.Kxc3 Qxf2 9.Kd3 g2
 18+	00:04	 16,653k	3,850k	+0.44	0. ... Nb4 1.Be2 h4 2.a3 Bh1 3.Kf1 Qg2+ 4.Ke1 Qxh2 5.axb4 hxg3 6.Kd2 Bxb4+ 7.Bc3 Bxc3+ 8.Kxc3 Qxf2 9.Rxh1 Qxe2 10.Rhe1 Qf3+ 11.Re3 Qg4 12.Rxa7 g2
 18+	00:05	 19,779k	3,877k	+0.57	0. ... Nb4 1.Be2 h4 2.a3 Bh1 3.Kf1 Qg2+ 4.Ke1 Qxh2 5.axb4 hxg3 6.Kd2 Bxb4+ 7.Bc3 Bxc3+ 8.Kxc3 Qxf2 9.Rxh1 Qxe2 10.Rhe1 Qf3+ 11.Re3 Qg4 12.Rxa7 g2
 18	00:06	 26,970k	3,872k	+0.59	0. ... Nb4 1.Be2 h4 2.Ne3 Be4 3.Rc7 Qb8 4.Rac1 Bc5 5.Rd7 Bc6 6.dxc5 Bxd7 7.a3 Nc6 8.Rd1 Be8 9.cxb6 Qxb6 10.b4 hxg3 11.hxg3 Ne7 12.Bd4 Qb7
 19	00:07	 30,830k	3,900k	+0.55	0. ... Nb4 1.Be2 h4 2.Ne3 Be4 3.Rc7 Qb8 4.Rac1 Bc5 5.Rd7 Bc6 6.dxc5 Bxd7 7.a3 Nc6 8.Rd1 Be8 9.cxb6 Qxb6 10.b4 hxg3 11.hxg3 Ne7 12.Bd4 Qb7 13.Bc5
 20	00:10	 43,373k	3,954k	+0.55	0. ... Nb4 1.Be2 h4 2.Ne3 Be4 3.Rc7 Qb8 4.Rac1 Bc5 5.Rd7 Bc6 6.dxc5 Bxd7 7.a3 Nc6 8.Rd1 Be8 9.cxb6 Qxb6 10.b4 hxg3 11.hxg3 Ne7 12.Bd4 Qb7 13.Bc5
 21	00:18	 74,318k	4,008k	+0.55	0. ... Nb4 1.Be2 h4 2.Ne3 Be4 3.Rc7 Qb8 4.Rac1 Bc5 5.Rd7 Bc6 6.dxc5 Bxd7 7.a3 Nc6 8.Rd1 Be8 9.cxb6 Qxb6 10.b4 hxg3 11.hxg3 Ne7 12.Bd4 Qb7 13.Bc5
 22+	00:29	 121,301k	4,102k	+0.64	0. ... Nb4 1.Be2 h4 2.Ne3 Be4 3.Rc7 Qb8 4.Rac1 Bc5 5.Rd7 Bc6 6.dxc5 Bxd7 7.a3 Nc6 8.Rd1 Be8 9.cxb6 Qxb6 10.b4 hxg3 11.hxg3 Ne7 12.Bd4 Qb7 13.Rc1 Bg6 14.Bc5 Be4
 22	00:43	 177,852k	4,056k	+0.48	0. ... Nb4 1.Be2 h4 2.Ne3 Bf3 3.Bf1 Qe4 4.Rc8 Qb7 5.Rc4 a5 6.a3 b5 7.Rcc1 Nd5 8.Re1 Kf7 9.Rac1 Bd6 10.Nxd5 Bxd5 11.Re3 Qb8 12.Rce1 hxg3 13.hxg3
 23	01:34	 389,678k	4,113k	+0.53	0. ... Nb4 1.Be2 h4 2.Ne3 Be4 3.Rc3 Qd8 4.Bc4 Qd7 5.a3 Nc6 6.Rd1 hxg3 7.fxg3 Nxd4 8.Bxe6+ Qxe6 9.Rxd4 Bc5 10.Rd8+ Kf7 11.b4 Bd6 12.Rc1 Bc6 13.Nc4 Bc7 14.Rd4 Bd5 15.b5
 23+	01:59	 501,044k	4,186k	+0.57	0. ... Nf4 1.Bxb7 Nh3+ 2.Kg2 Qxb7+ 3.Kxh3 Qf3 4.Ba3 Bxa3 5.Nxa3 g5 6.Rc8+ Kf7 7.Rc7+ Kg6 8.Rc8 Qxf2 9.Rg8+ Kf7
 23+	03:15	 811,877k	4,162k	+1.17	0. ... Nf4 1.Bxb7 Nh3+ 2.Kg2 Qxb7+ 3.Kxh3 Qf3 4.Ba3 Bxa3 5.Nxa3 g5 6.Rc8+ Kf7 7.Rc7+ Kg6 8.Rc8 Qxf2 9.Rg8+ Kf7
 23+	05:01	 1,205,892k	3,997k	+1.60	0. ... Nf4 1.Bxb7 Nh3+ 2.Kg2 Qxb7+ 3.Kxh3 Qf3 4.Ba3 Bxa3 5.Nxa3 g5 6.Rc8+ Kf7 7.Nc4 g4+ 8.Kh4 Qxf2 9.h3 Qg2 10.Nd6+ Kg6 11.Rg8+ Kh7
 23	07:05	 1,650,412k	3,880k	+1.63	0. ... Nf4 1.Bxb7 Nh3+ 2.Kg2 Qxb7+ 3.Kxh3 Qf3 4.Ne3 Qxf2 5.Rc2 Qxe3 6.Rf1 a6 7.Rff2 Qe4 8.Rc8 Kf7 9.Rc7+ Kg6 10.Rcc2 Bd6 11.Rce2 Qg4+ 12.Kg2 h4 13.Rf3 h3+ 14.Kf2 e5 15.Rd3 e4 16.Rc3 Kf7 17.Bc1 b5 18.Rce3 Qc8 19.Bb2 Qf5+ 20.Kg1

2-core laptop, 1Gb Hash, TBs

[MOBMAT]

Equinox 3.30 finds it!
FEN: q4bk1/pb4p1/1p2pp2/3n3p/2NP4/1P3BP1/PB3P1P/R1R3K1 w - - 0 1

Code: Select all

+ Equinox 3.30:
 10	00:00	 53k	1,722k	+0.36	0. ... Nb4 1.Bxh5 Nd3 2.Bg4 f5 3.Be2 Nxc1 4.Rxc1 Bf3 5.Bxf3 Qxf3 6.Ne5 Qe2
 11	00:00	 69k	1,461k	+0.32	0. ... Nb4 1.Be2 Bf3 2.Bf1 Nc6 3.Nd2 Bd5 4.Bd3 Qc8 5.Ne4 Bb4
 12	00:00	 90k	1,923k	+0.34	0. ... Nb4 1.Be2 Bf3 2.Bf1 Nc6 3.Nd2 Bd5 4.Bd3 Qd8 5.a3 Be7 6.b4 f5 7.Be2
 13+	00:00	 151k	1,939k	+0.42	0. ... Nb4 1.Be2 Bf3 2.Bf1 Nc6 3.Nd2 Bd5 4.Bd3 Qe8 5.a3 f5 6.Bc4 Qd7 7.Bxd5
 13	00:00	 158k	2,022k	+0.42	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qd8 4.Bb5 Be4 5.a4 a6 6.Bc4 Qd7
 14-	00:00	 214k	2,302k	+0.34	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qd8 4.Bb5 Be4 5.a4 a6 6.Be2 g6 7.f3
 14	00:00	 274k	2,514k	+0.39	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 b5 6.Na5 Qb6 7.Nc6
 15-	00:00	 410k	2,630k	+0.31	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 b5 6.Na5 Qd7 7.Nc6
 15	00:00	 430k	2,515k	+0.35	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 b5 6.Nd2 Bg4 7.Ne4
 16	00:00	 554k	2,728k	+0.31	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 Bg4 6.Bd3 Kf7 7.Ne3
 17+	00:00	 1,205k	2,975k	+0.39	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 Bg4 6.Bd3 Kf7 7.Ne3
 17	00:00	 1,459k	2,924k	+0.28	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 Bg4 6.Bd3 Kf7 7.Ne3
 18+	00:00	 2,693k	2,927k	+0.36	0. ... Nb4 1.Be2 Bh1 2.Ne3 Bf3 3.Bf1 Qb7 4.a3 Nd5 5.Nc4 Bg4 6.Bd3 h4 7.Nd2
 18	00:00	 2,970k	2,976k	+0.30	0. ... Nb4 1.Be2 Bf3 2.Bf1 Qb7 3.Nd2 Bd5 4.a3 Nc6 5.Nc4 b5 6.Ne3 Bf3 7.b4
 19+	00:01	 4,691k	3,007k	+0.38	0. ... Nb4 1.Be2 Bf3 2.Bf1 Qb7 3.Rc3 Be4 4.Nd2 Bd5 5.a3 Nc6 6.Rac1 b5 7.Re3
 19+	00:01	 6,022k	3,015k	+0.46	0. ... Nb4 1.Be2 Bf3 2.Bf1 Qb7 3.Rc3 Be4 4.Nd2 Bd5 5.a3 Nc6 6.Rac1 b5 7.Re3
 19	00:02	 6,280k	3,005k	+0.44	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Bc4 Kf7 4.Rd1 g5 5.a3 Nd5 6.Nxd5 Bxd5 7.Rac1
 20-	00:03	 9,537k	3,012k	+0.36	0. ... Nb4 1.Be2 Qd8 2.Ne3 Be4 3.Bc4 Qd7 4.Rd1 a5 5.Be2 g6 6.a4 Qb7 7.Rac1
 20	00:04	 12,180k	3,003k	+0.36	0. ... Nb4 1.Be2 Bf3 2.Bf1 Qb7 3.Rc3 Be4 4.Nd2 Bd5 5.a3 Nc6 6.Rac1 b5 7.Re3
 21	00:04	 14,257k	2,987k	+0.32	0. ... Nb4 1.Be2 Bf3 2.Bf1 Qb7 3.Rc3 Be4 4.Nd2 Bd5 5.a3 Nc6 6.Re3 b5 7.Be2
 22+	00:08	 26,601k	2,986k	+0.40	0. ... Nb4 1.Be2 Bf3 2.Bf1 Qb7 3.Rc3 Be4 4.Nd2 Bd5 5.a3 Nc6 6.Re3 b5 7.Be2
 22	00:13	 39,611k	2,942k	+0.34	0. ... Nb4 1.Be2 Qd8 2.Ne3 Qd7 3.Bc4 Be4 4.Rc3 b5 5.Be2 a6 6.a3 Nc6 7.Rac1
 23+	00:29	 86,590k	2,954k	+0.42	0. ... Nb4 1.Be2 Qd8 2.Ne3 Qd7 3.Bc4 Be4 4.Rc3 b5 5.Be2 a6 6.a3 Nc6 7.Rac1
 23+	00:36	 107,297k	2,952k	+0.50	0. ... Nb4 1.Be2 Qd8 2.Ne3 Qd7 3.Bc4 Be4 4.Rc3 b5 5.Be2 a6 6.a3 Nc6 7.Rac1
 23	00:38	 112,436k	2,945k	+0.46	0. ... Nb4 1.Be2 h4 2.Ne3 hxg3 3.hxg3 Bf3 4.Bf1 Qe8 5.Bc3 Nd5 6.Nxd5 Bxd5 7.Bg2
 24-	01:05	 193,479k	2,966k	+0.38	0. ... Nb4 1.Be2 h4 2.Ne3 hxg3 3.hxg3 Bf3 4.Bf1 Qe8 5.Bc3 Nd5 6.Nxd5 Bxd5 7.Bg2
 24	01:09	 204,420k	2,960k	+0.41	0. ... Nb4 1.Be2 h4 2.Ne3 Bf3 3.Bf1 Qe4 4.Rc4 hxg3 5.hxg3 Qh7 6.Ng2 a5 7.Rc8
 25+	01:17	 230,157k	2,951k	+0.49	0. ... Nb4 1.Be2 h4 2.Ne3 Bf3 3.Bf1 Qe4 4.Rc4 hxg3 5.hxg3 Qh7 6.Ng2 a5 7.Rc8
 25	01:24	 248,804k	2,941k	+0.42	0. ... Nb4 1.Be2 h4 2.Ne3 Bf3 3.Bf1 hxg3 4.hxg3 Qe8 5.Bc3 Nd5 6.Nxd5 Bxd5 7.Bb2
 26	01:53	 331,427k	2,925k	+0.40	0. ... Nb4 1.Be2 h4 2.Ne3 Bf3 3.Bf1 hxg3 4.hxg3 Qe8 5.Bc3 Nd5 6.Nxd5 Bxd5 7.Bb2
 26+	02:55	 529,341k	3,009k	+0.58	0. ... Nf4
 26+	05:23	 990,259k	3,063k	+1.55	0. ... Nf4
 26	07:50	 1,458,779k	3,101k	+1.98	0. ... Nf4 1.Bxb7 Nh3+ 2.Kg2 Qxb7+ 3.Kxh3 Qf3 4.Rg1 b5 5.Ba3 bxc4 6.Bxf8 Kxf8 7.bxc4

2 core laptop, 1Gb Hash, Gaviota TBs

[MOBMAT]

Houdini 1.5a finds it.

FEN: q4bk1/pb4p1/1p2pp2/3n3p/2NP4/1P3BP1/PB3P1P/R1R3K1 b - - 0 1

Code: Select all

+ Houdini 15a:
 4	00:00	 3k	0	+0.18	1. ... h4 2.Ne3 Nxe3 3.Bxb7 Qxb7 4.fxe3 hxg3 5.hxg3
 5	00:00	 5k	0	+0.22	1. ... h4 2.Be4 b5 3.Ne3 Nxe3 4.Bxb7 Qxb7 5.fxe3 hxg3 6.hxg3
 6	00:00	 13k	0	+0.35	1. ... h4 2.Be4 Nb4 3.Bb1 hxg3 4.hxg3 Be4 5.Bxe4 Qxe4
 7	00:00	 21k	0	+0.21	1. ... h4 2.Be2 Qe8 3.Ne3 hxg3 4.hxg3 Nxe3 5.fxe3 Bb4
 8	00:00	 51k	3,160k	+0.22	1. ... h4 2.Re1 Qe8 3.Ne3 Qd7 4.Bxd5 exd5 5.gxh4 Bb4
 9	00:00	 83k	2,430k	+0.20	1. ... h4 2.a3 Qd8 3.b4 Qd7 4.Nd2 Kf7 5.gxh4 Nf4
 10+	00:00	 97k	2,497k	+0.25	1. ... h4
 10	00:00	 107k	2,492k	+0.20	1. ... h4 2.a3 Qd8 3.b4 g6 4.Ne3 hxg3 5.hxg3 Qd7 6.Bg2 Nxe3 7.Bxb7 Qxb7 8.fxe3
 10+	00:00	 119k	2,585k	+0.36	1. ... Nb4
 10	00:00	 170k	2,745k	+0.31	1. ... Nb4 2.Be2 Qd8 3.Nd2 g6 4.Bc4 Qd7 5.Re1 Bd5 6.Bxd5 Nxd5 7.Kg2
 11	00:00	 192k	2,667k	+0.32	1. ... Nb4 2.Be2 Qd8 3.Nd2 g6 4.Bc4 Qd7 5.Re1 Bd5 6.Ne4 Kg7 7.Bxd5 Nxd5
 12-	00:00	 242k	2,808k	+0.26	1. ... Nb4 2.Be2
 12	00:00	 419k	3,082k	+0.33	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.a3 Nd3 5.Bxd3 Bxd3 6.Rc6 Qd7 7.Rac1 Bc5 8.R6xc5 bxc5 9.dxc5 Qc6 10.Rd1 Be4 11.b4 Kf7 12.Rd6
 13	00:00	 451k	3,109k	+0.33	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.a3 Nd3 5.Bxd3 Bxd3 6.Rc6 Qd7 7.Rac1 Bc5 8.R6xc5 bxc5 9.dxc5 Qc6 10.Rd1 Be4 11.b4 Kf7 12.Rd6
 14	00:00	 620k	3,299k	+0.37	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.Rd1 g6 5.Rac1 Bh6 6.Bc4 Qd7 7.a3 Nd5 8.Re1 Kg7 9.Bf1 b5
 15	00:00	 842k	3,422k	+0.37	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.Rd1 g6 5.Rac1 Bh6 6.Bc4 Qd7 7.a3 Nd5 8.Re1 Kg7 9.Bf1 b5
 16	00:00	 1,586k	3,740k	+0.34	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.Re1 Qd7 5.Red1 h4 6.gxh4 Nd5 7.Nxd5 Qxd5 8.Rac1 Qf5 9.Rc3 Bd6 10.f3 Qg6+ 11.Kf1
 17	00:00	 2,887k	4,032k	+0.34	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.Re1 Qd7 5.Red1 h4 6.gxh4 Nd5 7.Nxd5 Qxd5 8.Rac1 Qf5 9.Rc3 Bd6 10.f3 Qg6+ 11.Kf1
 18	00:01	 4,906k	4,189k	+0.34	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.Re1 Qd7 5.Red1 h4 6.gxh4 Nd5 7.Nxd5 Qxd5 8.Rac1 Qf5 9.Rc3 Bd6 10.f3 Qg6+ 11.Kf1
 19	00:03	 16,380k	4,221k	+0.31	1. ... Nb4 2.Be2 Qd8 3.Ne3 Be4 4.Rc3 Qd6 5.Rd1 Nxa2 6.Rc4 b5 7.Rc5 a6 8.Ra1 Nb4 9.Rxh5 Bd3 10.Re1 Bg6 11.Rh4 Nd3 12.Bxd3 Bxd3 13.Rc1 Qd7
 20	00:11	 47,587k	4,309k	+0.29	1. ... Nb4 2.Be2 Bf3 3.Bf1 Be4 4.Rc3 Qd8 5.Re1 Bb7 6.a3 Qd5 7.f3 Nc6 8.Rd3 Ne7 9.Ne3 Qd7 10.Kf2 Qc6 11.Kg1 Qc7 12.Rc3 Qd7 13.Nc2 Nd5
 21+	00:30	 129,539k	4,285k	+0.35	1. ... Nb4
 21	00:35	 153,666k	4,276k	+0.33	1. ... Nb4 2.Be2 h4 3.Nd2 Qe8 4.a3 Nd5 5.Bf3 Qg6 6.Be4 f5 7.Bg2 f4 8.Be4 Qg4 9.Bf3 Qf5 10.b4 Qd3 11.Rd1 Qc2
 22	00:43	 186,175k	4,267k	+0.34	1. ... Nb4 2.Be2 h4 3.Ne3 Bf3 4.Bc4 Nd5 5.Nxd5 Bxd5 6.Bb5 a6 7.Bf1 Qb7 8.Re1 g5 9.Re3 Kg7 10.Rc1 Bb4 11.Rc2 b5 12.f3 hxg3 13.hxg3
 23	00:56	 243,271k	4,279k	+0.33	1. ... Nb4 2.Be2 h4 3.Ne3 Bf3 4.Bc4 Nd5 5.Nxd5 Bxd5 6.Bb5 a6 7.Bf1 Qb7 8.Re1 hxg3 9.hxg3 Bb4 10.Re3 g5 11.Bc3 Qh7 12.f3 Bd6 13.Bd3 f5
 23+	01:18	 340,129k	4,343k	+0.39	1. ... Nf4
 23+	04:01	 1,059,766k	4,388k	+1.94	1. ... Nf4
 23	06:53	 1,816,377k	4,389k	+2.14	1. ... Nf4 2.Bxb7 Nh3+ 3.Kg2 Qxb7+ 4.Kxh3 Qf3 5.Ne3 Qxf2 6.Rc8 Qxb2 7.Nc2 Kh7 8.Rf1 Qxa2 9.Rf2 Kg8 10.Rc3 a5 11.Kg2 b5 12.Ne3 Qb1 13.Nc2 a4 14.bxa4 bxa4 15.Re2
 24-	07:00	 1,845,960k	4,393k	+2.02	1. ... Nf4 2.Bxb7
 24+	08:51	 2,338,306k	4,395k	+2.25	1. ... Nf4

[Jouni]

Fun fact: Critter 1.6a = Houdini 1.5a.

[Vinvin]

Fun fact: Critter 1.6a = Houdini 1.5a.

And : Critter 1.6a = Rybka 3
But we step in the Engine Origins Forum