stockfish problem at long time control and a test position

Discussion of anything and everything relating to chess playing software and machines.

Moderator: Ras

Edsel Apostol
Posts: 803
Joined: Mon Jul 17, 2006 5:53 am
Full name: Edsel Apostol

Re: stockfish problem at long time control and a test positi

Post by Edsel Apostol »

Latest TL version finds it in 39 seconds at depth 16 using single core.

Code: Select all

FEN: 4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - - 0 1 

T20091224:
  8/23	00:00	      67.227	0	+0.41	Be8h5 Nf8e6 Ng5xe6 f5xe6 Qb7a6 Ke3d4 Qa6e2 Qc5c8+ Kg8h7 Qc8c3 Bh5f3
  9/22	00:01	     115.048	0	+0.25	Be8h5 Nf8e6 Ng5xe6 f5xe6 Qb7a6 Ke3d4 Qa6e2 Qc5c8+ Kg8h7 Qc8c3 Bh5f3 d5d6
 10/25	00:01	     641.552	472.076	+0.09	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Ne6xg5 h6xg5 d5d6 Qb7d7 Ke3d3 Qd7e8
 11/24	00:02	   1.006.558	545.855	+0.16	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Ne6xg5 h6xg5 Qc5c6 Qb7b4 Bb2c3 Qb4a3 d5d6
 12/24	00:02	   1.277.123	579.719	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Qc5c6 Qb7a7+ Bb2d4 Qa7a5 Qc6c8+ Kg8h7 Ne6f8+ Kh7g8 Nf8e6+
 13/32	00:03	   2.111.545	640.444	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Qc5c6 Qb7a7+ Qc6c5 Qa7b7
 14/32	00:06	   4.345.853	707.678	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8g6+ Kh8h7
 15/31	00:10	   7.393.048	732.420	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8g6+ Kh8h7
 16/36	00:20	  15.014.376	754.832	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7g8
 16/37	00:39	  30.451.077	780.476	+0.21	a4a3 Qc5xa3 Qb7b6+ Bb2d4 b3b2 Nf8g6 Be8xg6 Qa3xb2 Qb6xb2 Bd4xb2 Bg6h7 d5d6 Kg8f8 Ke3f4 Ng5h3+ Kf4g4 Nh3f2+ Kg4f3 Nf2d3 Bb2d4 Bh7g8 Kf3e3 Bg8c4
 17/40	00:53	  42.401.263	792.784	+0.35	a4a3 Qc5xa3 Qb7b6+ Bb2d4 b3b2 Nf8g6 Be8xg6 Qa3xb2 Qb6xb2 Bd4xb2 Bg6h5 h2h4 Ng5f3 d5d6 Kg8f7 Ke3f4 Nf3e1 Kf4e3 Kf7e8 e4e5 Ke8d7 e5xf6 g7xf6 Bb2xf6 Kd7xd6
 18/41	01:14	  59.318.413	798.395	+0.35	a4a3 Qc5xa3 Qb7b6+ Bb2d4 b3b2 Nf8g6 Be8xg6 Qa3xb2 Qb6xb2 Bd4xb2 Bg6h5 h2h4 Ng5f3 d5d6 Kg8f7 Ke3f4 Nf3e1 Kf4e3 Kf7e8 e4e5 Ke8d7 e5xf6 g7xf6 Bb2xf6 Kd7xd6
User avatar
mariaclara
Posts: 4186
Joined: Wed Mar 08, 2006 9:31 pm
Location: Sulu Sea

Re: stockfish problem at long time control and a test positi

Post by mariaclara »

:D e, nosi pa? e di si Edsel... :wink: :roll:
Edsel Apostol wrote:Latest TL version finds it in 39 seconds at depth 16 using single core.

Code: Select all

FEN: 4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - - 0 1 

T20091224:
  8/23	00:00	      67.227	0	+0.41	Be8h5 Nf8e6 Ng5xe6 f5xe6 Qb7a6 Ke3d4 Qa6e2 Qc5c8+ Kg8h7 Qc8c3 Bh5f3
  9/22	00:01	     115.048	0	+0.25	Be8h5 Nf8e6 Ng5xe6 f5xe6 Qb7a6 Ke3d4 Qa6e2 Qc5c8+ Kg8h7 Qc8c3 Bh5f3 d5d6
 10/25	00:01	     641.552	472.076	+0.09	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Ne6xg5 h6xg5 d5d6 Qb7d7 Ke3d3 Qd7e8
 11/24	00:02	   1.006.558	545.855	+0.16	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Ne6xg5 h6xg5 Qc5c6 Qb7b4 Bb2c3 Qb4a3 d5d6
 12/24	00:02	   1.277.123	579.719	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Qc5c6 Qb7a7+ Bb2d4 Qa7a5 Qc6c8+ Kg8h7 Ne6f8+ Kh7g8 Nf8e6+
 13/32	00:03	   2.111.545	640.444	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8e6 Kh8g8 Qc5c6 Qb7a7+ Qc6c5 Qa7b7
 14/32	00:06	   4.345.853	707.678	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8g6+ Kh8h7
 15/31	00:10	   7.393.048	732.420	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7h8 Nf8g6+ Kh8h7
 16/36	00:20	  15.014.376	754.832	 0.00	Be8h5 Nf8g6 Kg8h7 Ng6f8+ Kh7g8
 16/37	00:39	  30.451.077	780.476	+0.21	a4a3 Qc5xa3 Qb7b6+ Bb2d4 b3b2 Nf8g6 Be8xg6 Qa3xb2 Qb6xb2 Bd4xb2 Bg6h7 d5d6 Kg8f8 Ke3f4 Ng5h3+ Kf4g4 Nh3f2+ Kg4f3 Nf2d3 Bb2d4 Bh7g8 Kf3e3 Bg8c4
 17/40	00:53	  42.401.263	792.784	+0.35	a4a3 Qc5xa3 Qb7b6+ Bb2d4 b3b2 Nf8g6 Be8xg6 Qa3xb2 Qb6xb2 Bd4xb2 Bg6h5 h2h4 Ng5f3 d5d6 Kg8f7 Ke3f4 Nf3e1 Kf4e3 Kf7e8 e4e5 Ke8d7 e5xf6 g7xf6 Bb2xf6 Kd7xd6
 18/41	01:14	  59.318.413	798.395	+0.35	a4a3 Qc5xa3 Qb7b6+ Bb2d4 b3b2 Nf8g6 Be8xg6 Qa3xb2 Qb6xb2 Bd4xb2 Bg6h5 h2h4 Ng5f3 d5d6 Kg8f7 Ke3f4 Nf3e1 Kf4e3 Kf7e8 e4e5 Ke8d7 e5xf6 g7xf6 Bb2xf6 Kd7xd6
.
.

................. Mu Shin ..........................
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: stockfish problem at long time control and a test positi

Post by zullil »

Uri Blass wrote:In the following game that is posted also in another thread Rybka3 played 53...a3(unexpected by stockfish) and got an advantage(Rybka3 did not win it but I thought it may be a good test position to see how much time stockfish needs to find it).

Stockfish 1.6 JA - Rybka 3 1-cpu 32-bit, Super Tournament X 2009
[d]4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - - 0 1
RobboLito_0085g3l_x86 finds a3 in about 5 seconds at depth 15 on my 2 GHz Core 2 Duo MacBook:

Code: Select all

 1 +0.95 1.... Nxe4 2.Kxe4  (0.00)
 1 -0.69 1.... Kh8 2.Ng6+ Bxg6 3.fxg6  (0.00)
 1 -0.83 1.... Bf7  (0.00)
 1 -0.91 1.... Bh5 2.Ng6 Bxg6 3.fxg6  (0.00)
 1 -0.99 1.... Qb8 2.Ng6 Bxg6 3.fxg6  (0.00)
 2 -0.40 1.... Qb8 2.Ne6  (0.00)
 2 -0.44 1.... Bh5 2.Ne6  (0.00)
 2 -0.47 1.... Bb5 2.Ne6  (0.00)
 3 -0.35 1.... Bb5 2.Ne6 Qb8 3.d6 Qb7 4.Nxg5 hxg5 5.Qd5+ Qxd5 6.exd5  (0.00)
 4 -0.23 1.... Bb5 2.h4 Nh3 3.Ne6  (0.00)
 4 -0.52 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.Kd3 Nf3  (0.00)
 5 -0.52 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.Kd3 Nf3  (0.00)
 6 -0.25 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.Kd4 Ke7 6.Kc3  (0.01)
 7 -0.25 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.Kd4 Ke7 6.Kc3  (0.01)
 8 -0.25 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.Kd4 Ke7 6.Kc3  (0.01)
 9 -0.31 1.... Bb5 2.Ne6 Qb8 3.d6 Bd7 4.Nxg5 hxg5 5.e5 fxe5 6.Qxe5 Qb6+ 7.Kd3  (0.08)
10 -0.11 1.... Bb5 2.Ne6 Qb8 3.d6 Bd7 4.Nxg5 hxg5 5.e5 fxe5 6.Qxe5 Qf8 7.Qd5+ Qf7 8.Qa8+ Be8  (0.25)
11 -0.16 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.d6 Bc6 6.Ne6 Bd7 7.Nc5 Ke8 8.Kd4 Nf2 9.Kc4 Ng4 10.Kb4  (0.43)
12 -0.14 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.d6 Bc6 6.Ne6 Bd7 7.Nc5 Ke8 8.Kd4 Nf2 9.Kc4 Ng4 10.Kb4  (0.44)
13 -0.15 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.d6 Bc6 6.g4 Bb5 7.Kd4 Nf2 8.g5 hxg5 9.hxg5 fxg5 10.e5 Ke8 11.Ne6 Kd7 12.Nxg7  (0.55)
14 -0.23 1.... Bh5 2.Ne6 Nxe6 3.fxe6 Qa6 4.Kd4 Qe2 5.Qc8+ Kh7 6.Qc3 Bg6 7.Kc5 Qxe4 8.Qd2 Kg8 9.h4 Be8  (1.66)
14 -0.18 1.... Bh5 2.Ne6 Nxe6 3.fxe6 Qa6 4.Kd4 Qe2 5.Qc8+ Kh7 6.Qc3 Bg6 7.Kc5 Qxe4 8.Qd4 Qe2 9.d6 Qxe6 10.d7 Qe7+ 11.Kb5 Qd8 12.g4 Kg8 13.Kxa4 Bf7 14.Qd3 Kf8 15.Qd6+ Kg8 16.Qd3  (1.89)
15 -0.25 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf3 8.d6 Kf7 9.Kf4 Ne1 10.Ke3 Ke8 11.e5 Kd7 12.exf6 gxf6 13.Bxf6 Kxd6 14.Bc3 Nf3 15.Ke4  (4.57)
16 -0.30 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf7 8.Kf4 Nd6 9.Bc3 Nc4 10.g4 Be8 11.g5 Kf7 12.Bb4 Ba4 13.gxh6 gxh6  (5.49)
17 -0.36 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf7 8.Bc3 Nd6 9.Bb4 Nc4+ 10.Kd4 Ne5 11.Bc3 Kf7 12.Kc5 Nd7+ 13.Kc6 Ke8 14.d6 Bf3  (8.81)
18 -0.44 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf7 8.Bc3 Nd6 9.Kf4 Nc4 10.g4 Be8 11.g5 Kf7 12.Bb4 Ba4 13.gxh6 gxh6 14.d6 Bd7  (15.28)
18 -0.48 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Qxb2 Qxb2 5.Bxb2 Kxf8 6.Ba3+ Kg8 7.Bb4 Nf7 8.Kd4 Bd7 9.h4 Ne5 10.Kc5 Kf7 11.Kd6 Bb5 12.Kc7 Nd3 13.Ba3 Nf2 14.Kb6 Bd3  (21.75)
19 -0.50 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Qxb2 Qxb2 5.Bxb2 Kxf8 6.Ba3+ Kg8 7.Bb4 Nf7 8.Kd4 Ne5 9.h3 Bb5 10.Bd6 Nd7 11.Bb4 Kf7 12.Bd2 Bf1 13.h4 Bb5 14.d6 h5 15.Kd5 Ke8 16.Bb4 Be2 17.Bc3 Bf3 18.Bd2 Kd8  (28.86)
20 -0.51 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Qxb2 Qxb2 5.Bxb2 Kxf8 6.Ba3+ Kg8 7.Bb4 h5 8.Bc3 Nh3 9.Kd4 Bd7 10.Be1 Kf7 11.Ke3 Ke8 12.Bc3 Ng5 13.Bd4 Nf7 14.Kf4 Nd6  (43.22)

Uri Blass
Posts: 10803
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: stockfish problem at long time control and a test positi

Post by Uri Blass »

zullil wrote:
Uri Blass wrote:In the following game that is posted also in another thread Rybka3 played 53...a3(unexpected by stockfish) and got an advantage(Rybka3 did not win it but I thought it may be a good test position to see how much time stockfish needs to find it).

Stockfish 1.6 JA - Rybka 3 1-cpu 32-bit, Super Tournament X 2009
[d]4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - - 0 1
RobboLito_0085g3l_x86 finds a3 in about 5 seconds at depth 15 on my 2 GHz Core 2 Duo MacBook:

Code: Select all

 1 +0.95 1.... Nxe4 2.Kxe4  (0.00)
 1 -0.69 1.... Kh8 2.Ng6+ Bxg6 3.fxg6  (0.00)
 1 -0.83 1.... Bf7  (0.00)
 1 -0.91 1.... Bh5 2.Ng6 Bxg6 3.fxg6  (0.00)
 1 -0.99 1.... Qb8 2.Ng6 Bxg6 3.fxg6  (0.00)
 2 -0.40 1.... Qb8 2.Ne6  (0.00)
 2 -0.44 1.... Bh5 2.Ne6  (0.00)
 2 -0.47 1.... Bb5 2.Ne6  (0.00)
 3 -0.35 1.... Bb5 2.Ne6 Qb8 3.d6 Qb7 4.Nxg5 hxg5 5.Qd5+ Qxd5 6.exd5  (0.00)
 4 -0.23 1.... Bb5 2.h4 Nh3 3.Ne6  (0.00)
 4 -0.52 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.Kd3 Nf3  (0.00)
 5 -0.52 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.Kd3 Nf3  (0.00)
 6 -0.25 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.Kd4 Ke7 6.Kc3  (0.01)
 7 -0.25 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.Kd4 Ke7 6.Kc3  (0.01)
 8 -0.25 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.Kd4 Ke7 6.Kc3  (0.01)
 9 -0.31 1.... Bb5 2.Ne6 Qb8 3.d6 Bd7 4.Nxg5 hxg5 5.e5 fxe5 6.Qxe5 Qb6+ 7.Kd3  (0.08)
10 -0.11 1.... Bb5 2.Ne6 Qb8 3.d6 Bd7 4.Nxg5 hxg5 5.e5 fxe5 6.Qxe5 Qf8 7.Qd5+ Qf7 8.Qa8+ Be8  (0.25)
11 -0.16 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.d6 Bc6 6.Ne6 Bd7 7.Nc5 Ke8 8.Kd4 Nf2 9.Kc4 Ng4 10.Kb4  (0.43)
12 -0.14 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.d6 Bc6 6.Ne6 Bd7 7.Nc5 Ke8 8.Kd4 Nf2 9.Kc4 Ng4 10.Kb4  (0.44)
13 -0.15 1.... Qb5 2.Ne6 Qxc5+ 3.Nxc5 Kf7 4.h4 Nh3 5.d6 Bc6 6.g4 Bb5 7.Kd4 Nf2 8.g5 hxg5 9.hxg5 fxg5 10.e5 Ke8 11.Ne6 Kd7 12.Nxg7  (0.55)
14 -0.23 1.... Bh5 2.Ne6 Nxe6 3.fxe6 Qa6 4.Kd4 Qe2 5.Qc8+ Kh7 6.Qc3 Bg6 7.Kc5 Qxe4 8.Qd2 Kg8 9.h4 Be8  (1.66)
14 -0.18 1.... Bh5 2.Ne6 Nxe6 3.fxe6 Qa6 4.Kd4 Qe2 5.Qc8+ Kh7 6.Qc3 Bg6 7.Kc5 Qxe4 8.Qd4 Qe2 9.d6 Qxe6 10.d7 Qe7+ 11.Kb5 Qd8 12.g4 Kg8 13.Kxa4 Bf7 14.Qd3 Kf8 15.Qd6+ Kg8 16.Qd3  (1.89)
15 -0.25 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf3 8.d6 Kf7 9.Kf4 Ne1 10.Ke3 Ke8 11.e5 Kd7 12.exf6 gxf6 13.Bxf6 Kxd6 14.Bc3 Nf3 15.Ke4  (4.57)
16 -0.30 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf7 8.Kf4 Nd6 9.Bc3 Nc4 10.g4 Be8 11.g5 Kf7 12.Bb4 Ba4 13.gxh6 gxh6  (5.49)
17 -0.36 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf7 8.Bc3 Nd6 9.Bb4 Nc4+ 10.Kd4 Ne5 11.Bc3 Kf7 12.Kc5 Nd7+ 13.Kc6 Ke8 14.d6 Bf3  (8.81)
18 -0.44 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Ng6 Bxg6 5.Qxb2 Qxb2 6.Bxb2 Bh5 7.h4 Nf7 8.Bc3 Nd6 9.Kf4 Nc4 10.g4 Be8 11.g5 Kf7 12.Bb4 Ba4 13.gxh6 gxh6 14.d6 Bd7  (15.28)
18 -0.48 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Qxb2 Qxb2 5.Bxb2 Kxf8 6.Ba3+ Kg8 7.Bb4 Nf7 8.Kd4 Bd7 9.h4 Ne5 10.Kc5 Kf7 11.Kd6 Bb5 12.Kc7 Nd3 13.Ba3 Nf2 14.Kb6 Bd3  (21.75)
19 -0.50 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Qxb2 Qxb2 5.Bxb2 Kxf8 6.Ba3+ Kg8 7.Bb4 Nf7 8.Kd4 Ne5 9.h3 Bb5 10.Bd6 Nd7 11.Bb4 Kf7 12.Bd2 Bf1 13.h4 Bb5 14.d6 h5 15.Kd5 Ke8 16.Bb4 Be2 17.Bc3 Bf3 18.Bd2 Kd8  (28.86)
20 -0.51 1.... a3 2.Qxa3 Qb6+ 3.Bd4 b2 4.Qxb2 Qxb2 5.Bxb2 Kxf8 6.Ba3+ Kg8 7.Bb4 h5 8.Bc3 Nh3 9.Kd4 Bd7 10.Be1 Kf7 11.Ke3 Ke8 12.Bc3 Ng5 13.Bd4 Nf7 14.Kf4 Nd6  (43.22)

same for stockfish1.6s except the fact that 1.6s needs depth 14:

Stockfish 1.6 JA - Rybka 3 1-cpu 32-bit, Super Tournament X 2009
4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - - 0 1

Analysis by Stockfish 1.6s:

53...Be8-b5
-+ (-1.81) Depth: 1 00:00:00
53...Be8-b5 54.Nf8-e6
µ (-1.21) Depth: 2 00:00:00
53...Be8-b5 54.Nf8-e6 Ng5-h3
³ (-0.44) Depth: 3 00:00:00
53...Be8-b5 54.Nf8-e6 Qb7-b8 55.Ne6xg5 h6xg5
= (0.16) Depth: 4 00:00:00
53...Be8-h5 54.Nf8-e6 Ng5-f3 55.h2-h3
³ (-0.44) Depth: 4 00:00:00
53...Be8-h5 54.Nf8-e6 Ng5-f3 55.Qc5-c7 Qb7xc7 56.Ne6xc7 Nf3xh2
³ (-0.44) Depth: 5 00:00:00
53...Be8-h5 54.Nf8-e6 Ng5-f3 55.h2-h3 Nf3-e5 56.Bb2xe5
= (-0.24) Depth: 6 00:00:00 5kN
53...Be8-h5 54.Nf8-e6 Ng5xe6 55.f5xe6 Qb7-a6 56.Qc5-c1 Qa6-e2+ 57.Ke3-d4 Qe2-f2+ 58.Kd4-c4 Qf2-e2+ 59.Kc4-b4 Qe2xe4+ 60.Qc1-c4
² (0.28) Depth: 7 00:00:00 12kN
53...Be8-h5 54.Nf8-e6 Ng5xe6 55.f5xe6 Qb7-a6 56.Ke3-d4 Qa6-e2 57.Qc5-c8+ Kg8-h7 58.Qc8-c3 Bh5-g6 59.Kd4-c5 Bg6xe4
² (0.64) Depth: 8 00:00:00 104kN
53...Be8-b5 54.Nf8-e6 Qb7-b8 55.Ne6xg5 h6xg5 56.d5-d6 Bb5-d7 57.e4-e5 f6xe5 58.Qc5xe5
² (0.44) Depth: 8 00:00:01 111kN
53...Be8-b5 54.Nf8-e6 Qb7-b8 55.Ne6xg5 h6xg5 56.d5-d6 Bb5-d7 57.e4-e5 f6xe5 58.Qc5xe5 Qb8-f8 59.Ke3-e4 Kg8-f7 60.Qe5-d5+ Kf7-e8
² (0.52) Depth: 9 00:00:01 144kN
53...Qb7-a6 54.Nf8-e6 Ng5xe6 55.f5xe6 Qa6-f1 56.Qc5-c1 Qf1-g2 57.Qc1-d2 Qg2-g1+ 58.Qd2-f2 Qg1xf2+ 59.Ke3xf2 Kg8-f8 60.Kf2-e3
² (0.40) Depth: 9 00:00:01 187kN
53...Qb7-a6 54.Nf8-e6 Ng5xe6 55.f5xe6 Qa6-f1 56.Qc5-c1 Qf1-g2 57.Qc1-d2 Qg2-g1+ 58.Qd2-f2 Qg1xf2+ 59.Ke3xf2 Be8-b5 60.Kf2-e3 Kg8-f8 61.Ke3-d4 Kf8-e7 62.Bb2-a3+ Ke7-d8
² (0.56) Depth: 10 00:00:01 240kN
53...Qb7-a6 54.Nf8-e6 Ng5xe6 55.f5xe6 Be8-h5 56.Ke3-d4 Qa6-e2 57.Qc5-c8+ Kg8-h7 58.Qc8-c3 Bh5-g6 59.Kd4-c5 Qe2xe4 60.Qc3-c4 Qe4-g2 61.d5-d6 Qg2xb2 62.Qc4xa4 Qb2-c2+
= (0.20) Depth: 11 00:00:01 454kN
53...Qb7-a6 54.Nf8-e6 Ng5xe6 55.f5xe6 Be8-h5 56.Ke3-d4 Qa6-e2 57.Qc5-c8+ Kg8-h7 58.Qc8-c3 Bh5-g6 59.Kd4-c5 Qe2xe4 60.Qc3-d4 Qe4xd4+ 61.Kc5xd4 Kh7-g8 62.Bb2-a3 Bg6-f5 63.Kd4-c4 Bf5-g6 64.d5-d6
² (0.64) Depth: 12 00:00:01 601kN
53...Qb7-b5 54.Nf8-e6 Qb5xc5+ 55.Ne6xc5 Be8-b5 56.h2-h4 Ng5-f7 57.Ke3-d2 Nf7-d6 58.Kd2-c3 Kg8-f7 59.Kc3-b4 Bb5-e8 60.g3-g4 Kf7-e7 61.Nc5xa4 h6-h5 62.g4xh5 Nd6xe4 63.Kb4xb3 Be8xh5
² (0.56) Depth: 12 00:00:01 930kN
53...Qb7-b5 54.Nf8-e6 Qb5xc5+ 55.Ne6xc5 Kg8-f8 56.h2-h4 Ng5-f7 57.Bb2-a3 Kf8-g8 58.Nc5-d3 Nf7-e5 59.Nd3xe5 f6xe5 60.Ke3-d2 Kg8-f7 61.Kd2-c3 Kf7-f6 62.Kc3-b2
² (0.40) Depth: 13 00:00:02 1738kN
53...Qb7-b5 54.Nf8-e6 Qb5xc5+ 55.Ne6xc5 Ng5-f7 56.Ke3-d4 Nf7-d6 57.Kd4-c3 Kg8-f7 58.Kc3-b4 h6-h5 59.Bb2-c3 Kf7-e7 60.Nc5xa4 Be8xa4 61.Kb4xa4
² (0.64) Depth: 14 00:00:05 3492kN
53...a4-a3 54.Qc5xa3 Qb7-b6+ 55.Bb2-d4 b3-b2 56.Nf8-g6 Be8xg6 57.Qa3-a8+ Kg8-h7 58.Bd4xb6 b2-b1Q 59.f5xg6+ Kh7xg6 60.Qa8-e8+ Kg6-h7 61.Bb6-d8 Qb1-b3+ 62.Ke3-d4 Qb3-b4+ 63.Kd4-d3 Qb4-b3+ 64.Kd3-d4
= (0.00) Depth: 14 00:00:05 4101kN
53...a4-a3 54.Qc5xa3 Qb7-b6+ 55.Bb2-d4 b3-b2 56.Nf8-g6 Be8xg6 57.Qa3-a8+ Kg8-h7 58.Bd4xb6 b2-b1Q 59.f5xg6+ Kh7xg6 60.Qa8-e8+ Kg6-h7 61.Bb6-d8 Qb1-b3+ 62.Ke3-d4 Qb3-b4+ 63.Kd4-d3 Qb4-b3+ 64.Kd3-d4
= (0.00) Depth: 15 00:00:07 5662kN
53...a4-a3 54.Qc5xa3 Qb7-b6+ 55.Bb2-d4 b3-b2 56.Qa3xb2 Qb6xb2 57.Bd4xb2 Kg8xf8 58.Bb2-a3+ Kf8-g8 59.h2-h4 Ng5-f7 60.Ke3-d4 h6-h5 61.Ba3-b4 Be8-a4 62.Bb4-c3 Ba4-b5 63.Bc3-a5 Kg8-f8 64.Kd4-c5 Bb5-d3
= (-0.24) Depth: 16 00:00:18 15427kN
53...a4-a3 54.Qc5xa3 Qb7-b6+ 55.Bb2-d4 b3-b2 56.Nf8-g6 Be8xg6 57.Qa3-a8+ Kg8-h7 58.Bd4xb6 b2-b1Q 59.f5xg6+ Kh7xg6 60.Qa8-e8+ Kg6-h7 61.Bb6-a5 Qb1-a2 62.Ba5-c3 Qa2-c2 63.Qe8-c6 Qc2xe4+ 64.Ke3-d2 Ng5-f3+ 65.Kd2-c1 Nf3xh2 66.Qc6-c5 Kh7-g6 67.d5-d6 Qe4-d3 68.Kc1-b2 Nh2-f3 69.Qc5-c7
³ (-0.32) Depth: 17 00:00:27 20577kN
53...a4-a3 54.Qc5xa3 Qb7-b6+ 55.Bb2-d4 b3-b2 56.Nf8-g6 Be8xg6 57.Qa3-a8+ Kg8-h7 58.Bd4xb6 b2-b1Q 59.f5xg6+ Kh7xg6 60.Qa8-e8+ Kg6-h7 61.Bb6-a5 Qb1-a2 62.Ba5-c3 Qa2-c2 63.Qe8-c6 Qc2xe4+ 64.Ke3-d2 Ng5-f3+ 65.Kd2-c1 Nf3xh2 66.Qc6-c5 Qe4-f5 67.Qc5-c7 Kh7-g6 68.d5-d6 Qf5-g5+ 69.Kc1-c2
³ (-0.36) Depth: 18 00:00:49 36171kN

(so k, 29.12.2009)
Uri Blass
Posts: 10803
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: stockfish problem at long time control and a test positi

Post by Uri Blass »

stockfish still has problem to see a3 in the pv one move earlier and to see negative score for Ke3

Analysis under arena when stockfish used 3 threads

[d]4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p4P1/1B3K1P/8 w - - 13 53

Stockfish32:
1 00:01 1.291 977 -0.72 Kf2e3
2 00:01 1.348 1.019 -1.73 Kf2e3 Be8b5
3 00:01 1.715 1.290 -1.13 Kf2e3 Be8b5 Nf8e6
4 00:01 2.484 1.860 -0.32 Kf2e3 Be8b5 Nf8e6 Ng5h3 Qc5f8+ Kg8h7
5 00:01 3.562 2.642 +0.16 Kf2e3 Be8b5 Nf8e6 Qb7b8 Ne6xg5 h6xg5
6 00:01 7.097 5.233 +0.36 Kf2e3 Be8b5 Nf8e6 Qb7b8 Ne6xg5 h6xg5 d5d6
7 00:01 40.245 29.120 +0.44 Kf2e3 Be8b5 Nf8e6 Qb7b8 Ne6xg5 h6xg5 d5d6 Bb5d7 e4e5 f6xe5 Qc5xe5
8 00:01 47.487 33.919 +0.44 Kf2e3 Be8b5 Nf8e6 Qb7b8 Ne6xg5 h6xg5 d5d6 Bb5d7 e4e5 f6xe5 Qc5xe5
9 00:01 63.233 44.687 +0.44 Kf2e3 Be8b5 Nf8e6 Qb7b8 Ne6xg5 h6xg5 d5d6 Bb5d7 e4e5 f6xe5 Qc5xe5
10 00:01 120.177 82.652 +0.40 Kf2e3 Be8b5 Nf8e6 Qb7b8 Ne6xg5 h6xg5 d5d6 Bb5d7 e4e5 f6xe5 Qc5xe5 Qb8b6+ Ke3d3
11- 00:01 260.224 171.312 +0.20 Kf2e3 Qb7a6 Nf8e6 Ng5xe6 f5xe6 Qa6f1 Qc5c1 Qf1g2 d5d6 Qg2xh2 Ke3f3 Be8h5+ Kf3f4 Qh2f2+
12 00:01 530.186 323.876 +0.56 Kf2e3 Qb7a6 Nf8e6 Ng5xe6 f5xe6 Qa6f1 Qc5c1 Qf1g2 Qc1d2 Qg2g1+ Qd2f2 Qg1xf2+ Ke3xf2 Be8b5 Kf2e3 Kg8f8 Bb2a3+ Kf8g8 h2h4
13 00:02 1.614.545 777.719 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Ne6c5+ Kd3e3 Nc5e6+
14 00:02 3.427.712 1.242.374 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Ne6c5+ Kd3e3 Nc5e6+
15 00:03 6.151.794 1.628.320 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
16 00:04 7.545.782 1.753.202 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
17 00:06 13.217.610 2.083.153 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
18 00:07 16.541.337 2.203.161 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
19 00:12 29.713.458 2.451.807 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
20 00:18 48.365.177 2.554.273 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
21 00:28 75.068.661 2.651.197 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
22 00:43 117.434.186 2.728.172 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
23 01:07 184.960.001 2.760.473 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
24 02:38 434.515.504 2.739.089 0.00 Kf2e3 Qb7a6 Nf8e6 Kg8h7 Qc5e7 Ng5xe6 Qe7xe8 Qa6b6+ Ke3d3 Qb6a6+ Kd3d2 Ne6c5 Qe8g6+ Kh7g8 Qg6e8+ Kg8h7
BBauer
Posts: 658
Joined: Wed Mar 08, 2006 8:58 pm

Re: stockfish problem at long time control and a test positi

Post by BBauer »

Here is my result from stockfish, Dann Corbits modified version:

Code: Select all

FEN: 4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - - 0 1 

Stockfish32:
   1	00:00	          74	77	+1,81	Le8b5
   2	00:00	         133	137	+1,21	Le8b5 Sf8e6
   3	00:00	         441	455	+0,44	Le8b5 Sf8e6 Sg5h3
   4	00:00	       1.199	1.237	-0,16	Le8b5 Sf8e6 Db7b8 Se6xg5 h6xg5
   4	00:00	       1.668	1.721	+0,44	Le8h5 Sf8e6 Sg5f3 h2h3
   5	00:00	       3.749	3.806	+0,44	Le8h5 Sf8e6 Sg5f3 Dc5c7 Db7xc7 Se6xc7 Sf3xh2
   6-	00:00	       4.980	5.055	+0,24	Le8h5 Sf8e6 Sg5f3 h2h3 Sf3e5 Lb2xe5
   7	00:01	      12.258	12.258	-0,28	Le8h5 Sf8e6 Sg5xe6 f5xe6 Db7a6 Dc5c1 Da6e2+ Ke3d4 De2f2+ Kd4c4 Df2e2+ Kc4b4 De2xe4+ Dc1c4
   8	00:01	     103.684	90.871	-0,64	Le8h5 Sf8e6 Sg5xe6 f5xe6 Db7a6 Ke3d4 Da6e2 Dc5c8+ Kg8h7 Dc8c3 Lh5g6 Kd4c5 Lg6xe4
   8	00:01	     110.592	95.585	-0,44	Le8b5 Sf8e6 Db7b8 Se6xg5 h6xg5 d5d6 Lb5d7 e4e5 f6xe5 Dc5xe5
   9	00:01	     143.743	117.918	-0,52	Le8b5 Sf8e6 Db7b8 Se6xg5 h6xg5 d5d6 Lb5d7 e4e5 f6xe5 Dc5xe5 Db8f8 Ke3e4 Kg8f7 De5d5+ Kf7e8
   9	00:01	     186.869	144.077	-0,40	Db7a6 Sf8e6 Sg5xe6 f5xe6 Da6f1 Dc5c1 Df1g2 Dc1d2 Dg2g1+ Dd2f2 Dg1xf2+ Ke3xf2 Kg8f8 Kf2e3
  10	00:01	     239.534	174.206	-0,56	Db7a6 Sf8e6 Sg5xe6 f5xe6 Da6f1 Dc5c1 Df1g2 Dc1d2 Dg2g1+ Dd2f2 Dg1xf2+ Ke3xf2 Le8b5 Kf2e3 Kg8f8 Ke3d4 Kf8e7 Lb2a3+ Ke7d8
  11+	00:01	     454.469	274.272	-0,20	Db7a6 Sf8e6 Sg5xe6 f5xe6 Le8h5 Ke3d4 Da6e2 Dc5c8+ Kg8h7 Dc8c3 Lh5g6 Kd4c5 De2xe4 Dc3c4 De4g2 d5d6 Dg2xb2 Dc4xa4 Db2c2+
  12	00:01	     601.473	323.372	-0,64	Db7a6 Sf8e6 Sg5xe6 f5xe6 Le8h5 Ke3d4 Da6e2 Dc5c8+ Kg8h7 Dc8c3 Lh5g6 Kd4c5 De2xe4 Dc3d4 De4xd4+ Kc5xd4 Kh7g8 Lb2a3 Lg6f5 Kd4c4 Lf5g6 d5d6
  12	00:02	     930.463	402.275	-0,56	Db7b5 Sf8e6 Db5xc5+ Se6xc5 Le8b5 h2h4 Sg5f7 Ke3d2 Sf7d6 Kd2c3 Kg8f7 Kc3b4 Lb5e8 g3g4 Kf7e7 Sc5xa4 h6h5 g4xh5 Sd6xe4 Kb4xb3 Le8xh5
  13	00:03	   1.737.731	521.997	-0,40	Db7b5 Sf8e6 Db5xc5+ Se6xc5 Kg8f8 h2h4 Sg5f7 Lb2a3 Kf8g8 Sc5d3 Sf7e5 Sd3xe5 f6xe5 Ke3d2 Kg8f7 Kd2c3 Kf7f6 Kc3b2
  14	00:05	   3.491.991	629.527	-0,64	Db7b5 Sf8e6 Db5xc5+ Se6xc5 Sg5f7 Ke3d4 Sf7d6 Kd4c3 Kg8f7 Kc3b4 h6h5 Lb2c3 Kf7e7 Sc5xa4 Le8xa4 Kb4xa4
  14	00:06	   4.101.179	649.640	 0,00	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3a8+ Kg8h7 Ld4xb6 b2b1D f5xg6+ Kh7xg6 Da8e8+ Kg6h7 Lb6d8 Db1b3+ Ke3d4 Db3b4+ Kd4d3 Db4b3+ Kd3d4
  15	00:08	   5.661.556	700.774	 0,00	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3a8+ Kg8h7 Ld4xb6 b2b1D f5xg6+ Kh7xg6 Da8e8+ Kg6h7 Lb6d8 Db1b3+ Ke3d4 Db3b4+ Kd4d3 Db4b3+ Kd3d4
  16	00:19	  15.989.677	831.280	 0,00	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3a8+ Kg8h7 Ld4xb6 b2b1D f5xg6+ Kh7xg6 Da8e8+ Kg6h7 Lb6a5 Db1g1+ Ke3d3 Dg1d1+ Kd3e3 Dd1g1+
  17+	00:28	  24.335.400	851.990	+0,20	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3a8+ Kg8h7 Ld4xb6 b2b1D f5xg6+ Kh7xg6 Da8e8+ Kg6h7 Lb6a5 Db1g1+ Ke3d3 Dg1d1+ Kd3e3 Sg5f3 De8b5 Sf3xh2 Db5e2 Sh2g4+ Ke3f3 Sg4e5+ Kf3e3 Dd1g1+ Ke3f4 Dg1a7 La5c3 g7g5+ Kf4f5 Da7d7+ Kf5xf6 Se5g4+
  18	00:31	  27.532.870	862.072	+0,24	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3a8+ Kg8h7 Ld4xb6 b2b1D f5xg6+ Kh7xg6 Da8e8+ Kg6h7 Lb6a5 Db1g1+ Ke3d3 Dg1d1+ Kd3c4 Dd1e2+ Kc4b4 De2xh2 De8c8 Dh2xg3 Dc8f5+ Kh7g8 Kb4c4 Dg3e3 Df5c8+ Kg8f7 Dc8d7+ Kf7g6 Dd7f5+ Kg6h5 d5d6 De3xe4+ Df5xe4 Sg5xe4
  19	01:16	  69.257.617	906.620	+0,16	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3xb2 Db6xb2 Ld4xb2 Lg6e8 e4e5 f6xe5 Lb2xe5 Sg5f7 Le5d4 Sf7d6 g3g4 Kg8f7 Ld4c5 Kf7e7 Ke3f4 Ke7d7 Lc5d4 g7g6 f5f6 Le8f7 Kf4e5 Sd6c4+ Ke5e4
  20	01:33	  84.633.037	903.957	+0,20	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3xb2 Db6xb2 Ld4xb2 Lg6e8 e4e5 f6xe5 Lb2xe5 Sg5f7 Le5d4 Sf7d6 g3g4 Kg8f7 Ke3f4 Le8d7 Ld4c5 Sd6c4 h2h3 Ld7b5 h3h4 Sc4d2 Lc5d4 Sd2c4 g4g5 h6xg5+ h4xg5 Lb5d7
  21+	02:10	 115.290.707	884.931	+0,40	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3xb2 Db6xb2 Ld4xb2 Lg6e8 e4e5 f6xe5 Lb2xe5 Kg8f7 Ke3f4
  22	02:25	 124.497.544	858.509	+0,32	a4a3 Dc5xa3 Db7b6+ Lb2d4 b3b2 Sf8g6 Le8xg6 Da3xb2 Db6xb2 Ld4xb2 Lg6e8 e4e5 f6xe5 Lb2xe5 Kg8f7 Ke3f4 Sg5h7 d5d6 Sh7f6 g3g4 Le8c6 h2h4 Sf6d5+ Kf4e4 Sd5b6+ Ke4d4 Sb6d7 g4g5 h6h5 Le5f4 Lc6b5 Kd4e4 Kf7e8 Ke4d5

Computed on single core AMD 3.2 GHZ
It took stockfish 6 sec on depth 14.
kind regards
Bernhard
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: stockfish problem at long time control and a test positi

Post by zullil »

Here's a success for Stockfish-1.6SmoothReduct---icc---x86_64---pgo.

Using two threads and 2048M for hash, on a 2GHz Core 2 Duo MacBook:

Code: Select all

Searching: 4bNk1/1q4p1/5p1p/2QP1Pn1/p3P3/1p2K1P1/1B5P/8 b - -
infinite: 0 ponder: 0 time: 0 increment: 0 moves to go: 0
 2     +1.21   00:00      133 Bb5 Ne6 
 3     +0.44   00:00      441 Bb5 Ne6 Nh3 
 4     -0.16   00:00     1199 Bb5 Ne6 Qb8 Nxg5 hxg5 
 4     +0.44   00:00     1668 Bh5 Ne6 Nf3 h3 
 5     +0.44   00:00     3755 Bh5 Ne6 Nf3 Qc7 Qxc7 Nxc7 Nxh2 
 6  <  +0.24   00:00     5010 Bh5 Ne6 Nf3 h3 Ne5 Bxe5 
 7     -0.28   00:00    12667 Bh5 Ne6 Nxe6 fxe6 Qa6 Qc1 Qe2+ Kd4 Qf2+ Kc4 Qe2+ 
                              Kb4 Qxe4+ Qc4 
 8     -0.57   00:00    94950 Bh5 Ne6 Qa8 Nxg5 hxg5 d6 Qa6 Kd4 Be2 Qd5+ Kf8 
 9     -0.32   00:00   198521 Bh5 Ne6 Qa8 Nxg5 hxg5 Kd4 Bf3 Qe7 Qa5 Ke3 Bh1 Kd3 
                              Qb5+ Kc3 Bf3 
10     -0.40   00:00   282381 Bh5 Ne6 Qa8 Nxg5 hxg5 d6 Qa6 Kd4 Be2 Qd5+ Kf8 Kc3 
                              Bb5 Kb4 Bd7 
11     -0.53   00:00   482931 Bh5 Ne6 Qa8 Nxg5 hxg5 h3 Qa6 g4 Be8 Qe7 Bb5 Qe6+ 
                              Kh7 e5 fxe5 Bxe5 
12     -0.40   00:00    1444k Bh5 Ne6 Qa8 Ba3 Qe8 Nxg5 hxg5 Qc6 Bf7 Kd3 g4 
                              Qxe8+ Bxe8 Kc3 Kf7 Kb2 
13     -0.36   00:01    3045k Bh5 Ne6 Qa8 Nxg5 hxg5 d6 Qa6 Kd4 Be2 Qd5+ Kf8 Kc3 
                              Bb5 Qc5 Bd7 e5 fxe5 Qxe5 Qc6+ Kb4 Qb6+ Kc4 Qc6+ 
14  >  -0.16   00:02    5376k Bh5 Ne6 Nxe6 fxe6 Qa6 Kd4 Qe2 Qc8+ Kh7 Qc3 Qf2+ 
                              Kc4 a3 Bxa3 Be2+ Kxb3 Bd1+ Kc4 Be2+ Kb3 Bd1+ 
15     +0.00   00:03    6522k Bh5 Ne6 Nxe6 fxe6 Qa6 Kd4 Qe2 Qc8+ Kh7 Qc3 Qf2+ 
                              Kc4 a3 Bxa3 Be2+ Kxb3 Bd1+ Kc4 Be2+ Kb3 Bd1+ 
16     +0.00   00:05   11142k Bh5 Ne6 Nxe6 fxe6 Qa6 Kd4 Qe2 Qc8+ Kh7 Qc3 Qf2+ 
                              Kc4 a3 Bxa3 Be2+ Kxb3 Bd1+ Kc4 Be2+ Kb3 Bd1+ 
17  <  -0.20   00:06   14061k Bh5 Ng6 Kh7 g4 Bxg6 fxg6+ Kxg6 h4 Nf7 d6 Kh7 Qc7 
17     +0.00   00:10   21201k Nxe4 Kxe4 Qa6 Ne6 Qe2+ Kf4 Qd2+ Kg4 Qd1+ Kh3 Qh5+ 
                              Kg2 Qe2+ Qf2 Qe4+ Kh3 Qxd5 g4 Qd3+ Qg3 Qe2 Qb8 
                              Qe3+ Kg2 Qe2+ Kh3 
18     +0.00   00:11   23877k Nxe4 Kxe4 Qa6 Ne6 Qe2+ Kf4 Qd2+ Kg4 Qd1+ Kh3 Qh5+ 
                              Kg2 Qe2+ Qf2 Qe4+ Kh3 Qxd5 g4 Qd3+ Qg3 Qe2 Qb8 
                              Qe3+ Kg2 Qe2+ Kh3 
19  <  -0.20   00:21   46259k Nxe4 Kxe4 Qa6 Ne6 Qe2+ Kf4 Qd2+ Kg4 Qd1+ Kh3 Qh5+ 
                              Kg2 Qe2+ Qf2 Qe4+ 
19     +0.00   00:32   71399k a3 Qxa3 Qb6+ Bd4 b2 Ng6 Bxg6 Qa8+ Kh7 fxg6+ Kxg6 
                              Bxb6 b1=Q Qe8+ Kh7 Ba5 Qc1+ Kd3 Qd1+ Ke3 Qg1+ Kd3 
                              Qd1+ 
20  >  +0.20   00:46  106291k a3 Qxa3 Qb6+ Bd4 b2 Ng6 Bxg6 Qa8+ Kh7 fxg6+ Kxg6 
                              Bxb6 b1=Q Qe8+ Kh7 Ba5 Qa2 Qb5 Qxh2 Qd3 Qxg3+ Ke2 
                              Qe5 
Nodes: 106291732
Nodes/second: 2307780
Best move: a3
Ponder move: Qxa3