Sting SF 7.2

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

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lech
Posts: 1168
Joined: Sun Feb 14, 2010 10:02 pm

Sting SF 7.2

Post by lech »

I found one important bug and a new version is here:
download: http://www.mediafire.com/download/7aql8 ... -sf-72.zip

Try the positions to see difference:
6bn/p4p1k/rp3Pp1/rp2BBP1/1p6/pK6/P2P4/8 w - - bm Bc8;
1B1k4/3p4/1Kp5/PpP2p2/1PqP1P2/8/1P6/8 w - - bm a6;
Maybe, I can't be friendly, but let me be useful.
Damir
Posts: 2875
Joined: Mon Feb 11, 2008 3:53 pm
Location: Denmark
Full name: Damir Desevac

Re: Sting SF 7.2

Post by Damir »

Thanks Marek. :) Any estimation how strong this version is ? 8-)
Paloma
Posts: 1204
Joined: Thu Dec 25, 2008 9:07 pm
Full name: Herbert L

Re: Sting SF 7.2

Post by Paloma »

Thanks for this update 8-) Marek
Dann Corbit
Posts: 12777
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Sting SF 7.2

Post by Dann Corbit »

I greatly appreciate your efforts.
When I have a tough tactical problem, your version is always worth a try.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
lech
Posts: 1168
Joined: Sun Feb 14, 2010 10:02 pm

Re: Sting SF 7.2

Post by lech »

I think that the time whem a chess engine is stronger than the best chess players should be described in the history. But if the same engine is not be able substitute intelligence, can move people to the start point back, unfortunately.
Maybe, I can't be friendly, but let me be useful.
fishpov
Posts: 113
Joined: Sat Mar 07, 2015 6:05 pm

Re: Sting SF 7.2

Post by fishpov »

Thanks for this 7.2 release.
Now
[d]8/p6p/4P2p/p3K1pP/pPk5/p2r2p1/P5R1/8 w - - 0 1
b5 !
is solved in 7 hours on my computer !!

For this position white to play
[d]q1N5/b1p5/1pP2k2/pP3Bp1/P1P5/6P1/1K3P2/8 w - - 0 8
Sting doesn't seem to find how to win.
Perhaps here win is not really clear !?
1. Bd7 Ke5, 2. Kc3 Ke4, 3. Kd2 Kd4 (..Kf3 !? not explore yet), 4. f4 ! gxf4, 5. gxf4 Ke4, 6. f5 Ke5, 7 .Ke3 Kf6, 8. Kf4 Qb8
the position now is
[d]1qN5/b1pB4/1pP2k2/pP3P2/P1P2K2/8/8/8 w - - 0 16
White plan is Kg4,Kh5,Kh6,Kh7 ....
sting is able find the solution in 50s ! Great improvement !
fishpov
Posts: 113
Joined: Sat Mar 07, 2015 6:05 pm

Re: Sting SF 7.2

Post by fishpov »

Because I was not sure of good solution I searched forum about initial position which was :
[d]7q/b1p5/1p1Npkb1/pPP2ppP/P1P5/3B2P1/5P1R/K3R3 w - - 0 1
1. hxg6!! 1 Qxh2 2. Rxe6+ Kxe6 3. g7 Qh1+ 4. Kb2 Qa8 5. Bxf5+ Kf6 6. Nc8 Kxg7 7.c6 1-0

[d]q1N5/b1p3k1/1pP5/pP3Bp1/P1P5/6P1/1K3P2/8 b - - 0 7
But after when we see some links on how to win for this position :
http://rybkaforum.net/cgi-bin/rybkaforu ... ?tid=19278
This is not obvious and clear

Now with sting help and go back move when estimatation is good I can have good opinion on how to win.

7..Kf6 8. Bd7 Ke5 9. f3 !!
If 9..Kd4 10. f4 win (+5.31 Sting eval with take back moves)
9.. g4 10. f4+
9.. Kf6 10. Kc3 Qb8 11. Kd4 Qa8 12. Ke4 Qb8 13.f4 Qa8 14. f5 Qb8 15. Kf3 Qa8 16. Kg4 (with plan Kh5, Kh6 ...)
9.. Qb8 10. Kc3 Qa8 11. Kd3 Qb8 12. Ke3 Qa8 13.f4
Gusev
Posts: 1476
Joined: Mon Jan 28, 2013 2:51 pm

Re: Sting SF 7.2

Post by Gusev »

Hi Marek,

I noticed that Sting SF 7.2 (and Sting SF 6.7 before it) successfully solves the position after Move 23 of http://www.chessgames.com/perl/chessgame?gid=1472988 to find 24. Qxe5!

Some other engines, including Komodo and SF, experience difficulty.
Gusev
Posts: 1476
Joined: Mon Jan 28, 2013 2:51 pm

Re: Sting SF 7.2

Post by Gusev »

r6k/r5p1/3Q3p/1P1p4/N3pP2/1P5R/1KPq4/8 w - - 1 47

Sting SF 7.2 takes 1.5 hours to solve:

1 00:00 382 382k -3.31 b5-b6 Qd2-d4+ Rh3-c3 Ra7-f7 Qd6-e5 Qd4xe5 f4xe5 Rf7-e7 Rc3-e3 Re7xe5 Kb2-c3 h6-h5 Kc3-d4 Re5-f5 Re3-h3 Ra8-b8 Rh3-h2 Kh8-h7 c2-c4 d5xc4 b3xc4 Rf5-a5 Rh2-a2
2 00:00 756 378k -3.19 b5-b6 Ra7-a5
3 00:00 2k 398k -3.03 b5-b6 Ra7-b7 Rh3-h1
4 00:00 3k 462k -2.82 b5-b6 Ra7-f7 Qd6-c6 Rf7-f8
5+ 00:00 3k 465k -2.69 b5-b6
5+ 00:00 3k 496k -2.58 b5-b6
5+ 00:00 4k 474k -2.39 b5-b6
5 00:00 5k 543k -2.18 b5-b6 Qd2-d4+ Kb2-c1 Ra7-b7 Qd6-e6 Ra8-f8 Qe6-e5 Qd4xe5 f4xe5 Kh8-g8 Kc1-d2 Rf8-f2+ Kd2-c3 Rf2-f3+
6+ 00:00 6k 561k -2.06 b5-b6
6 00:00 6k 614k -2.02 b5-b6 Qd2-d4+ Kb2-c1 Ra7-b7 Qd6-e6 Ra8-f8 c2-c3 Qd4-g1+ Kc1-c2 Qg1-f2+
7- 00:00 7k 598k -2.14 b5-b6
7- 00:00 8k 626k -2.26 b5-b6
7 00:00 10k 648k -2.18 b5-b6 Qd2-d4+ Kb2-c1 Ra7-b7 Qd6-e6 Ra8-f8 Qe6-e5 Qd4-g1+ Kc1-b2
8 00:00 34k 925k -2.10 b5-b6 Qd2-d4+ Rh3-c3 Ra7-f7 Qd6-e5 Qd4xe5 f4xe5 Rf7-e7 Kb2-c1 d5-d4 Rc3-c4 Re7xe5 Rc4xd4
9 00:00 69k 1,076k -2.02 Qd6-e5 Kh8-h7 b5-b6 Ra7-b7 Qe5-f5+ g7-g6 Qf5-f6 Ra8-c8 Rh3-c3 Rc8xc3 Na4xc3
10+ 00:00 135k 1,379k -1.89 Qd6-e5
10 00:00 164k 1,359k -1.93 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Kh7-g8 Na4-c3 Ra8-a5 b3-b4 Ra5-a8 Nc3xd5
11+ 00:00 247k 1,482k -1.81 Qd6-e5
11+ 00:00 273k 1,256k -1.69 Qd6-e5
11 00:00 333k 1,159k -1.77 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Kh7-h8 Rg3-c3 Ra8-f8 Rc3-c7 Qd2xf4 Qe5xf4 Rf7xf4 b6-b7 Kh8-h7
12+ 00:00 387k 1,272k -1.65 Qd6-e5
12+ 00:00 439k 1,360k -1.53 Qd6-e5
12 00:00 525k 1,467k -1.73 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Rf7-b7 Qe5-f5+ Kh7-h8 Qf5-e6 Ra8-f8 Na4-c3 Qd2xf4 Rg3-g6 Rf8-a8 Qe6xd5
13+ 00:00 658k 1,691k -1.61 Qd6-e5
13- 00:00 769k 1,773k -1.85 Qd6-e5
13+ 00:00 925k 1,899k -1.49 Qd6-e5
13 00:00 952k 1,881k -1.77 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Rf7-b7 Qe5-f5+ Kh7-h8 Qf5-e6 Ra8-b8 Qe6-e5 Rb8-c8 Rg3-c3 Rc8xc3 Qe5xc3 Qd2xc3+ Kb2xc3 Kh8-g8 Kc3-d4
14+ 00:00 1,239k 2,162k -1.69 Qd6-e5
14+ 00:00 1,288k 2,176k -1.61 Qd6-e5
14+ 00:00 1,919k 2,448k -1.31 Qd6-e5
14 00:00 1,987k 2,444k -1.37 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-f8 Na4-c3 Qd2-f2 Rg3-g4 e4-e3 Qe5xd5 e3-e2 Qd5-e4+ Kh7-g8 Nc3xe2 Qf2xb6 Qe4-g6 Qb6xg6 Rg4xg6
15+ 00:01 2,840k 2,778k -1.25 Qd6-e5
15- 00:01 3,296k 2,869k -1.49 Qd6-e5
15 00:01 4,074k 2,898k -1.21 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Rf7-b7 Qe5-f5+ Kh7-h8 Qf5-e6 Qd2xf4 Qe6xd5 Ra8-b8 Rg3-g6 e4-e3 Na4-c3 Rb7-e7 Qd5-d6 Re7-f7 Qd6xf4 Rf7xf4
16- 00:01 4,246k 2,888k -1.33 Qd6-e5
16 00:01 4,651k 2,972k -1.21 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Rf7-b7 Rg3-c3 Ra8xa4 Rc3-c7 Rb7xc7 b6xc7 Ra4-a8 Qe5-f5+ g7-g6 Qf5-f7+ Kh7-h8 Qf7-f6+ Kh8-g8 Qf6xg6+ Kg8-h8 Qg6xh6+ Kh8-g8 Qh6-e6+ Kg8-g7 c7-c8Q Ra8xc8 Qe6xc8 Qd2xf4
17 00:01 5,301k 3,098k -1.21 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Rf7-b7 Rg3-c3 Ra8xa4 b3xa4 Rb7xb6+ Rc3-b3 Rb6xb3+ Kb2xb3 g7-g5 f4xg5 h6xg5 Kb3-b2 Kh7-g8
18- 00:02 6,941k 3,305k -1.29 Qd6-e5
18- 00:02 8,477k 3,442k -1.37 Qd6-e5
18- 00:04 18,184k 4,063k -1.67 Qd6-e5
18 00:06 25,575k 4,201k -1.89 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rf7-e7 Rc3-e3 Qf4-f6 Qd4xf6 g7xf6 Na4-c3 Re7-d7 Nc3xe4 Rb8xb6 Ne4-c5 Rd7-d5 Nc5-a4
19+ 00:06 26,431k 4,212k -1.77 Qd6-e5
19+ 00:06 27,158k 4,219k -1.65 Qd6-e5
19+ 00:07 29,745k 4,243k -1.20 Qd6-e5
19 00:07 32,649k 4,276k -1.33 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rf7-e7 Rc3-e3 g7-g5 c2-c4 Qf4-f2+ Kb2-a3 Qf2-c2 c4-c5 Rb8-a8 Qd4-c4 Qc2-b1 c5-c6 Qb1-a1+ Ka3-b4
20+ 00:08 36,039k 4,311k -1.21 Qd6-e5
20- 00:08 37,521k 4,288k -1.45 Qd6-e5
20- 00:11 48,615k 4,412k -1.90 Qd6-e5
20 00:13 62,546k 4,553k -1.37 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rf7-e7 Rc3-e3 Qf4-f6 Qd4xf6 g7xf6 c2-c4 f6-f5 c4-c5 Rb8-c8 Re3-c3 Rc8-c6 b3-b4 e4-e3 Rc3-c1 e3-e2 b4-b5 Rc6-c8 Rc1-e1
21 00:14 68,348k 4,594k -1.37 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rf7-e7 Rc3-e3 Qf4-f6 Qd4xf6 g7xf6 c2-c4 f6-f5 c4-c5 Rb8-c8 Re3-c3 Rc8-c6 b3-b4 e4-e3 Rc3-c1 e3-e2 b4-b5 Rc6-c8 Rc1-e1
22- 00:16 75,911k 4,634k -1.45 Qd6-e5
22- 00:18 83,821k 4,629k -1.53 Qd6-e5
22 00:19 91,990k 4,679k -1.37 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rb8-e8 Rc3-e3 Qf4-f6 Qd4xf6 g7xf6 Na4-c5 f6-f5 Kb2-c3 Re8-b8 b6-b7 Rf7xb7 Nc5xb7 Rb8xb7 Kc3-d4 Kh7-g6 Kd4-e5 Rb7-b5+ Ke5-f4 Kg6-f7 Re3-g3
23+ 00:21 102,237k 4,732k -1.29 Qd6-e5
23 00:22 108,590k 4,731k -1.33 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rf7-e7 Rc3-e3 Qf4-f6 Qd4xf6 g7xf6 c2-c4 f6-f5 c4-c5 Rb8-c8 Re3-c3 Rc8-c6 b3-b4 e4-e3 Rc3-c1 e3-e2 b4-b5 Rc6-g6 c5-c6 e2-e1Q Rc1xe1 Rg6-g2+ Kb2-b3 Rg2-g3+ Na4-c3 Re7xe1 b6-b7
24- 00:29 143,339k 4,919k -1.41 Qd6-e5
24+ 00:30 148,391k 4,917k -1.25 Qd6-e5
24- 00:49 250,018k 5,056k -1.67 Qd6-e5
24 01:03 327,631k 5,155k -1.25 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rb8-e8 Rc3-e3 Re8-e6 Na4-c3 Re6-d6 Nc3-d5 Rd6xd5 Qd4xd5 Qf4xe3 Qd5xf7 Qe3xb6 Kb2-c3 Qb6-c5+ Kc3-d2 h6-h5 Qf7-f4 Qc5-b4+ c2-c3 Qb4xb3 Qf4xe4+ Kh7-h6
25- 01:11 366,367k 5,133k -1.37 Qd6-e5
25- 01:16 395,196k 5,143k -1.49 Qd6-e5
25 01:27 453,318k 5,178k -1.49 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-c3 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 Rb8-e8 Rc3-e3 Re8-e6 Na4-c3 Re6-d6 Nc3-d5 Rd6xd5 Qd4xd5 Qf4xe3 Qd5xf7 Qe3xb6 Kb2-c1 Qb6-g6 Qf7-e7 Qg6-g1+ Kc1-d2 Qg1-f2+ Kd2-c3 Qf2-e1+ Kc3-c4 Qe1-e2+ Kc4-c3 Kh7-g6
26- 01:53 599,435k 5,291k -1.61 Qd6-e5
26- 02:22 759,767k 5,338k -1.73 Qd6-e5
26 03:41 1,213,228k 5,468k -1.49 Qd6-e5 Kh8-h7 Rh3-c3 Ra7-f7 b5-b6 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-d4 g7-g5 Rc3-e3 h6-h5 Na4-c3 Qf4-f6 Qd4xf6 Rf7xf6 Nc3xe4 Rf6xb6 Ne4xg5+ Kh7-g6 Ng5-f3 Kg6-f5 Re3-e1 Kf5-f4 Nf3-e5 Rb8-d8 Ne5-d3+ Kf4-g5 Re1-e5+ Kg5-g4 Re5-e4+
27- 04:04 1,337,243k 5,472k -1.61 Qd6-e5
27- 04:25 1,451,936k 5,477k -1.73 Qd6-e5
27+ 05:03 1,674,263k 5,518k -1.37 Qd6-e5
27 06:10 2,056,905k 5,546k -1.41 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Rh7-g7 Qf6-h6+ Kh8-g8 Qh6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-c7 Nb6xa8+ Kc7-b7 Qg5-e5 Rf7-h7 Qe5-e6 Qd2-d4+ Kb2-a2 Rh7-h1 Qe6-c6+ Kb7-b8 Qc6-c7+ Kb8xa8 Qc7-c8+ Ka8-a7 Qc8-c7+
28- 06:18 2,095,770k 5,541k -1.49 Rh3xh6+
28- 06:33 2,176,230k 5,531k -1.57 Rh3xh6+
28- 06:53 2,291,431k 5,542k -1.69 Rh3xh6+
28 07:54 2,633,976k 5,550k -1.81 Qd6-e5 Kh8-h7 Qe5-f5+ g7-g6 Qf5-e5 Ra7-f7 Qe5-g5 h6-h5 Rh3xh5+ g6xh5 Qg5xh5+ Kh7-g7 Qh5-g5+ Kg7-h8 Qg5-h6+ Rf7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Rh7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+
29- 12:22 4,209,227k 5,667k -1.93 Qd6-e5
29- 19:14 6,612,316k 5,727k -2.06 Qd6-e5
29- 31:25 10,970,760k 5,817k -2.24 Qd6-e5
29 49:12 17,129,987k 5,802k -2.22 Qd6-e5 Kh8-h7 Qe5-f5+ g7-g6 Qf5-g5 Qd2-d4+ Kb2-b1 Qd4-g7 b5-b6 Ra7-f7 Qg5xd5 Rf7xf4 Rh3-h1 Ra8-f8 Rh1-e1 e4-e3 Qd5-e6 Rf4-f3 Qe6-c4 Rf8-f7 Kb1-a2 Qg7-f6 Qc4-c5 Qf6-e6 Qc5-c4 Qe6-e5 Qc4-c5 Qe5-e4 Qc5-c4 Qe4-e7 Na4-c5 Rf7-f4 Qc4-b5 Rf3-f2 Ka2-b1 Qe7-f6 b6-b7
30 51:51 18,102,886k 5,818k -2.22 Qd6-e5 Kh8-h7 Qe5-f5+ g7-g6 Qf5-g5 Qd2-d4+ Kb2-b1 Qd4-g7 b5-b6 Ra7-f7 Qg5xd5 Rf7xf4 Rh3-h1 Ra8-f8 Rh1-e1 e4-e3 Qd5-e6 Rf4-f3 Qe6-c4 Rf8-f7 Kb1-a2 Qg7-f6 Qc4-c5 Qf6-e6 Qc5-c4 Qe6-e5 Qc4-c5 Qe5-e4 Qc5-c4 Qe4-e7 Na4-c5 Rf7-f4 Qc4-b5 Rf3-f2 Ka2-b1 Qe7-f6 b6-b7
31+ 59:17 20,955,168k 5,890k -2.10 Qd6-e5
31+ 1:00:01 21,226,857k 5,895k -1.97 Qd6-e5
31+ 1:00:45 21,506,794k 5,900k -1.79 Qd6-e5
31 1:08:24 24,401,108k 5,945k -1.77 Qd6-e5 Kh8-h7 Qe5-f5+ g7-g6 Qf5-g5 Qd2-d4+ Kb2-b1 Qd4-g7 Qg5xd5 Ra8-e8 Qd5-c6 Ra7-e7 Na4-c3 e4-e3 Rh3-h1 e3-e2 Rh1-e1 h6-h5 Nc3-d5 Re7-e6 Qc6-c5 Re8-d8 b5-b6 h5-h4 Nd5-c3 Re6xb6 Re1xe2 Rb6-d6 Kb1-b2 Qg7-f6 Qc5-e5 Qf6xe5
32- 1:16:45 27,612,172k 5,996k -1.89 Qd6-e5
32+ 1:27:51 31,804,375k 6,033k -1.65 Rh3xh6+
32+ 1:29:27 32,399,214k 6,037k -0.18 Rh3xh6+
32 1:30:06 32,638,117k 6,036k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
33 1:32:32 33,536,393k 6,040k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
34 1:36:49 35,133,921k 6,048k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
35 1:43:30 37,681,805k 6,067k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
36 1:53:35 41,553,897k 6,097k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
37 2:08:36 47,368,999k 6,139k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
38 2:28:47 55,528,436k 6,220k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
39 3:33:27 80,932,483k 6,319k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
40 5:00:57 115,734,512k 6,409k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
41 8:43:17 204,871,529k 6,525k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+
42 11:04:10 261,164,135k 6,554k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Ra7-h7 Qh6-f6+ Kh8-g8 Qf6-e6+ Kg8-g7 Qe6-e7+ Kg7-h8 Qe7-f6+

AsmFish160820 solves in 9 seconds under the same conditions:
FEN: r6k/r5p1/3Q3p/1P1p4/N3pP2/1P5R/1KPq4/8 w - - 1 47

AsmFishW_2016-08-20_popcnt:
1 00:00 473 473k -2.25 Rh3-c3
2 00:00 836 836k -1.35 b5-b6 Ra7xa4
3 00:00 1k 1,384k -1.79 b5-b6 Qd2-d4+ Kb2-a2
4 00:00 3k 1,581k -1.97 b5-b6 Qd2-d4+ Kb2-a2 Ra7xa4+ b3xa4 Qd4xa4+ Ka2-b2
5 00:00 6k 3,024k -1.93 Qd6-c5 Qd2-d1 f4-f5 Ra7-b7 b5-b6
6 00:00 11k 3,829k -2.12 b5-b6 Qd2-d4+ Kb2-c1 Ra7-b7 Qd6-e5 Qd4-g1+ Kc1-b2 Rb7xb6
7 00:00 14k 4,522k -2.12 b5-b6 Qd2-d4+ Kb2-c1 Ra7-b7 Qd6-e5 Qd4-g1+ Kc1-b2 Rb7xb6 Qe5xd5
8 00:00 43k 6,106k -1.81 Qd6-e5 Kh8-h7 Rh3-c3 Ra7-b7 b5-b6 Ra8xa4 b3xa4 Rb7xb6+ Rc3-b3
9 00:00 79k 7,149k -1.56 Qd6-e5 Kh8-h7 Rh3-c3 Ra7-f7 b5-b6 Qd2xf4 Qe5xd5 Ra8-b8 Qd5-e6 Rb8-b7
10 00:00 108k 7,211k -1.68 Qd6-e5 Kh8-h7 b5-b6 Ra7-b7 Qe5-f5+ g7-g6 Qf5-e5 Ra8xa4 b3xa4 Rb7xb6+ Rh3-b3 Rb6xb3+ Kb2xb3 h6-h5
11 00:00 280k 7,561k -1.63 Qd6-e5 Kh8-h7 b5-b6 Ra7-b7 Qe5-f5+ g7-g6 Qf5-e5 Rb7-f7 Qe5-e6 Qd2xf4 Qe6xd5 Ra8-e8
12 00:00 582k 8,203k -1.09 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-f8 Na4-c3 Qd2-e1 f4-f5 Rf7-d7 Qe5-e6 Qe1xg3 Qe6xd7
13 00:00 812k 8,461k -0.97 Qd6-e5 Kh8-h7 b5-b6 Ra7-b7 Qe5-f5+ g7-g6 Qf5-e5 Ra8xa4 b3xa4 Rb7xb6+ Rh3-b3 Rb6xb3+ Kb2xb3 Qd2-e3+ c2-c3 Qe3-c5 a4-a5 h6-h5 Qe5-e6 Qc5-c4+ Kb3-c2 Qc4-a2+ Kc2-c1 Qa2-c4 Qe6-e7+ Kh7-h6
14 00:00 865k 8,569k -0.95 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Na4-c3 Qd2xf4 Qe5xf4 Rf7xf4 Nc3xd5 Rf4-f3 Rh3-h2 Kh7-g6 Rh2-g2+ Kg6-f7 Rg2-e2 Ra8-e8 Re2-e1 e4-e3
15 00:00 1,371k 8,902k -1.03 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Na4-c3 Ra8-d8 Qe5-e6 Rf7-f6 Qe6-e7 Rd8-f8 Rh3-g3 Rf6-f7 Qe7-d6 Qd2xf4 Qd6xf4 Rf7xf4 Nc3xd5 Rf4-f3 Rg3-g1 e4-e3 Rg1-e1
16 00:00 1,844k 9,128k -0.93 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Na4-c3 Ra8-d8 Qe5-e6 Rf7-f6 Qe6-e7 Rd8-f8 Rh3-g3 Rf6-f7 Qe7-d6 Qd2xf4 Qd6xf4 Rf7xf4 Nc3xd5 Rf4-f3 Rg3-g1 Rf8-b8
17 00:00 1,946k 9,178k -1.02 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Na4-c3 Ra8-d8 Qe5-e6 Rf7-f6 Qe6-e7 Rd8-f8 Rh3-g3 Rf6-f7 Qe7-d6 Qd2xf4 Qd6xf4 Rf7xf4 Nc3xd5 Rf4-f3 Rg3-g1 Rf8-e8
18 00:01 17,415k 9,729k -1.24 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-g8 Na4-c3 Qd2xf4 Qe5xf4 Rf7xf4 Nc3xd5 Rf4-f2 Kb2-a3 Rg8-a8+ Ka3-b4 Rf2xc2 Nd5-c3 Ra8-e8 Rg3-e3 Kh7-g6 Re3xe4 Re8-b8 Nc3-d5 Rc2-d2 Re4-e5 Rd2-c2 Re5-e3 Rc2-b2
19 00:02 24,195k 9,678k -1.38 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-g8 Na4-c3 Qd2xf4 Qe5xf4 Rf7xf4 Nc3xd5 Rf4-f2 Kb2-a3 Rg8-a8+ Ka3-b4 Rf2xc2 Nd5-c3 Ra8-e8 Rg3-e3 Kh7-g6 Nc3xe4 Rc2-c6 Kb4-b5 Re8-e6
20+ 00:03 29,663k 9,726k -1.38 Qd6-e5
20- 00:03 33,650k 9,745k -1.45 Qd6-e5 Kh8-h7
20 00:04 40,468k 9,810k -1.49 b5-b6 Qd2-d4+ Rh3-c3 Ra7-f7 Qd6-e5 Qd4xe5 f4xe5 Rf7-e7 Rc3-e3 Ra8-d8 c2-c4 Re7xe5 c4xd5 Rd8xd5 Kb2-c3 Rd5-b5 Kc3-c4 Re5-f5 Re3xe4 Kh8-g8 Re4-d4 Kg8-f7 Rd4-d7+ Kf7-f6
21 00:05 51,642k 9,764k -1.53 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-g8 Rg3-c3 Qd2xf4 Qe5xd5 Rg8-b8 Qd5-c5 Rf7-d7 Rc3-e3 Qf4-f6+ Qc5-c3 Rd7-e7 Re3-e1 Kh7-g6 Qc3xf6+ Kg6xf6 c2-c4 Kf6-f5 c4-c5 Re7-e6 b3-b4 h6-h5 Kb2-c3 h5-h4 Kc3-d4 h4-h3 Re1-f1+ Kf5-g4
22+ 00:05 54,646k 9,757k -1.46 Qd6-e5
22+ 00:05 54,754k 9,757k -1.39 Qd6-e5
22+ 00:05 54,969k 9,757k -1.29 Qd6-e5
22- 00:05 56,397k 9,742k -1.37 Qd6-e5 Kh8-h7
22+ 00:05 57,494k 9,746k -1.25 Qd6-e5
22 00:06 58,608k 9,760k -1.06 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-g8 Rg3-g4 e4-e3 Na4-c3 e3-e2 Nc3xe2 Qd2-a5 Ne2-c3 Qa5xb6 Nc3xd5 Qb6-a7 f4-f5 Rg8-a8 Rg4-a4 Qa7-b8 Qe5xb8 Ra8xb8 Ra4-f4
23- 00:06 60,563k 9,756k -1.13 Qd6-e5 Kh8-h7
23- 00:06 61,362k 9,762k -1.20 Qd6-e5 Kh8-h7
23- 00:06 64,493k 9,773k -1.31 Qd6-e5 Kh8-h7
23 00:06 66,916k 9,779k -1.34 Qd6-e5 Kh8-h7 b5-b6 Ra7-f7 Rh3-g3 Ra8-g8 Rg3-g4 e4-e3 Na4-c3 e3-e2 Nc3xe2 Qd2-a5 Ne2-c3 Qa5xb6 Nc3xd5 Qb6-a7 f4-f5 Rg8-a8 Rg4-a4 Qa7-b8 Qe5xb8 Ra8xb8 Ra4-f4 h6-h5 c2-c4 Kh7-h6 c4-c5 Kh6-g5 c5-c6
24- 00:07 78,664k 9,885k -1.41 Qd6-e5 Kh8-h7
24+ 00:08 86,182k 9,910k -1.33 Rh3xh6+
24+ 00:09 95,982k 9,925k -0.25 Rh3xh6+
24 00:09 97,387k 9,931k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
25 00:10 100,642k 9,951k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
26 00:10 105,649k 9,980k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
27 00:10 108,437k 9,993k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
28 00:11 114,722k 10,031k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
29 00:12 125,790k 10,118k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
30 00:14 142,965k 10,206k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
31 00:15 160,511k 10,300k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7
32 00:15 163,968k 10,322k 0.00 Rh3xh6+ g7xh6 Qd6xh6+ Kh8-g8 Qh6-g6+ Ra7-g7 Qg6-e6+ Rg7-f7 Qe6-g6+ Kg8-f8 Qg6-h6+ Kf8-e7 Qh6-g5+ Ke7-d7 Na4-b6+ Kd7-d6 Qg5-h6+ Kd6-e7 Qh6-g5+ Ke7-f8 Qg5-h6+ Rf7-g7 Qh6-f6+ Kf8-g8 Qf6-e6+ Kg8-h7 Qe6-h3+ Kh7-g6 Qh3-e6+ Kg6-h7