Discussion of anything and everything relating to chess playing software and machines.
Moderators: hgm , Rebel , chrisw
Martin Hertz
Posts: 61 Joined: Wed Mar 14, 2012 9:43 pm
Post
by Martin Hertz » Fri Oct 13, 2017 1:59 pm
[d]8/8/8/1B6/6p1/8/4KPpp/3N2kr w - - 0 1
Stockfish 8 struggles heavily with this zugzwang position.
Results of some DOS engines at 3.3 GHz with depth and time announcing the mate in 11:
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M-Chess Pro 6 14 00:00:18
Chess Genius 3 16 00:00:20
M-Chess Pro 5 14 00:01:13
Socrates 3 19 00:21:20
Gideon Pro 1 21 00:33:03
These programs didn´t find the mate after around 1 hour in depth:
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Chess System Tal 25 --:--:--
Gandalf 3 21 --:--:--
Fritz 3 and Wchess cannot be tested, because they are buggy at this position, showing a wrong mate in 5.
Dan Astrachan
Posts: 134 Joined: Fri May 28, 2010 11:07 am
Post
by Dan Astrachan » Fri Oct 13, 2017 2:41 pm
SF Matefinder (04102017) finds it instantly in Study mode:
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19/30 00:00 1 209k 6 017k +M13 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Rg1 6.Bg4 Rh1 7.Be2+ Kg1 8.Nb2 Kf2 9.Nd3+ Kg1 10.Nc5 Kf2 11.Ne4+ Kg1 12.Ng5 Kf2 13.Nh3+
20/24 00:00 1 346k 6 145k +M12 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qg7 Kf1 11.Qxg3 Kg1 12.Qxg2+
21/24 00:00 1 387k 6 137k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
22/22 00:00 1 495k 6 227k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
23/22 00:00 1 497k 6 211k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
24/22 00:00 1 577k 6 283k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
25/22 00:00 1 623k 6 268k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
26/22 00:00 1 776k 6 322k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
27/22 00:00 1 969k 6 250k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
28/22 00:00 2 382k 6 600k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
29/22 00:00 2 870k 6 984k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
30/22 00:00 3 820k 7 625k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
31/22 00:00 5 106k 8 183k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
32/22 00:00 6 883k 8 790k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
33/22 00:01 9 660k 9 452k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
34/22 00:01 13 269k 10 168k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
35/22 00:01 18 619k 10 744k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
36/22 00:02 25 438k 11 417k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
37/22 00:02 33 944k 11 948k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
38/22 00:03 48 095k 12 730k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
39/22 00:04 63 684k 13 180k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
40/22 00:06 91 264k 13 834k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
41/22 00:08 117 106k 14 005k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
42/22 00:11 159 520k 14 300k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
43/22 00:13 197 748k 14 418k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
Computer used: Intel Core i7 875K @ 2.93GH, 4 cores, 12 Gb of RAM
Martin Hertz
Posts: 61 Joined: Wed Mar 14, 2012 9:43 pm
Post
by Martin Hertz » Fri Oct 13, 2017 3:11 pm
Thanks, I've tested the normal playing mode only.
Waschbaer
Posts: 68 Joined: Mon Dec 12, 2011 11:27 pm
Post
by Waschbaer » Fri Oct 13, 2017 6:54 pm
Houdini 6 in std-mode:
Code: Select all
[Matt in 11] d=62 1.Kd3 g3 2.f4 Kf1 3.Kd2 Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q Kg1 10.Qa8 Kf1 11.Qxg2#(0:00:12) 324379kN
[+19.14] d=62 1.Kd3(0:00:11) 296501kN
[+15.18] d=62 1.Kd3(0:00:11) 286860kN
[+12.02] d=62 1.Kd3(0:00:11) 276855kN
[+9.51] d=62 1.Kd3(0:00:10) 263541kN
[+7.52] d=62 1.Kd3(0:00:10) 251432kN
[+5.94] d=62 1.Kd3(0:00:09) 213968kN
[+4.69] d=62 1.Kd3(0:00:08) 192676kN
[+3.70] d=62 1.Kd3(0:00:07) 169145kN
[+2.93] d=62 1.Kd3(0:00:05) 134959kN
[+2.32] d=62 1.Kd3(0:00:04) 132212kN
[+1.85] d=62 1.Kd3(0:00:04) 131891kN
AndrewGrant
Posts: 1754 Joined: Tue Apr 19, 2016 6:08 am
Location: U.S.A
Full name: Andrew Grant
Post
by AndrewGrant » Fri Oct 13, 2017 9:16 pm
Ethereal with Null Move Pruning off
Code: Select all
info depth 26 score mate 11 time 6543 nodes 17204344 nps 2629000 hashfull 7 pv e2d3 g1f1 d3d2 f1g1 f2f4 g4g3 b5d7 g1f1 d7h3 f1g1 f4f5 g1f1 f5f6 h1g1 f6f7 g1h1 f7f8q f1g1 f8a8 g1f1 a8g2
#WeAreAllDraude #JusticeForDraude #RememberDraude #LeptirBigUltra
"Those who can't do, clone instead" - Eduard ( A real life friend, not this forum's Eduard )
Hurnavich
Posts: 732 Joined: Wed Jun 19, 2013 8:14 pm
Post
by Hurnavich » Fri Oct 13, 2017 11:05 pm
Interesting
Komodo 11.2.2 only gets it if i uncheck the null move box
"May your next game be your best"
Ras
Posts: 2487 Joined: Tue Aug 30, 2016 8:19 pm
Full name: Rasmus Althoff
Post
by Ras » Fri Oct 13, 2017 11:40 pm
The CT800 finds this in regular analysis:
Code: Select all
11/11 0:00 0.00 1.Ke3 g3 2.fxg3 (1.389.599) 1890
12/12 0:01 0.00 1.Ke3 g3 2.fxg3 (2.480.476) 1902
13/13 0:02 0.00 1.Ke3 g3 2.fxg3 (4.174.325) 1930
14/14 0:03 0.00 1.Ke3 g3 2.fxg3 (7.477.751) 1949
15/15 0:07 0.00 1.Ke3 g3 2.fxg3 (13.870.628) 1960
16/16 0:11 0.00 1.Ke3 g3 2.fxg3 (22.865.056) 1952
17/17 0:19 0.00 1.Ke3 g3 2.fxg3 (37.359.212) 1921
18/18 0:31 0.00 1.Ke3 g3 2.fxg3 (60.329.896) 1914
19/21 1:26 +M11 1.Kd3 Kf1 2.Kd2+ Kg1 3.f4 g3 4.Bd7 Kf1 5.Bh3 Rg1 6.Bg4 Rh1 7.Be2+ Kg1 8.Nc3 Kf2 9.Ne4+ Kg1 10.Ng5 Kf2 11.Nh3+ (164.999.535) 1914
20/21 2:23 +M11 1.Kd3 Kf1 2.Kd2+ Kg1 3.f4 g3 4.Bd7 Kf1 5.Bh3 Rg1 6.Bg4 Rh1 7.Be2+ Kg1 8.Nc3 Kf2 9.Ne4+ Kg1 10.Ng5 Kf2 11.Nh3+ (279.979.247) 1946
If black takes en passant after 3. f2-f4, there is a mate in 5:
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12/12 0:00 +M5 4.Nc3 Kf2 5.Ne4+ Kg1 6.Kc2 f2 7.Ng5 f1Q 8.Nh3+ (758.061) 1289
Interestingly, Shredder 13 erroneously reports a mate in 5 because it seems to disregard underpromotions in main search - the g pawn can promote to a knight in move 4, and then the mate doesn't work.
Code: Select all
97/97 0:00 +M5 1.Nc3 g3 2.Ke3 gxf2 3.Ne2+ Kf1 4.Kd2 g1Q 5.Nf4+ (14.012.205) 21392
98/98 0:00 +M5 1.Nc3 g3 2.Ke3 gxf2 3.Ne2+ Kf1 4.Kd2 g1Q 5.Nf4+ (14.355.687) 21458
99/99 0:00 +M5 1.Nc3 g3 2.Ke3 gxf2 3.Ne2+ Kf1 4.Kd2 g1Q 5.Nf4+ (14.707.187) 21533
MikeB
Posts: 4889 Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania
Post
by MikeB » Sat Oct 14, 2017 4:24 am
SF-McBrain 3.0 to be released tomorrow. With 18 threads, this could have been a lucky run. Only did it once.
Code: Select all
dep score nodes time (not shown: tbhits knps seldep)
56 #11 605.9M 0:21.53 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
55 #11 495.6M 0:18.25 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
54 #11 423.8M 0:16.14 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
53 #11 402.7M 0:15.52 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
52 #11 378.3M 0:14.81 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
51 #11 289.8M 0:12.21 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
50 #11 164.6M 0:08.37 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
49 #11 136.8M 0:07.50 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
48 #11 115.2M 0:06.84 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
47 #11 106.8M 0:06.57 Kd3 g3 f4 Kf1 Kd2+ Kg1 Bd7 Kf1 Bh3 Rg1 Bg4 Rh1 Be2+ Kg1 Nc3 Kf2 Ne4+ Kg1 Ng5 Kf2 Nh3#
46 #11! 34.1M 0:03.98 Kd3!
45 0.00 13.5M 0:02.19 Ne3 g3 fxg3
44 0.00 13.5M 0:02.19 Ne3 g3 fxg3
MikeB
Posts: 4889 Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania
Post
by MikeB » Sat Oct 14, 2017 4:40 am
Dan Astrachan wrote: SF Matefinder (04102017) finds it instantly in Study mode:
Code: Select all
19/30 00:00 1 209k 6 017k +M13 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Rg1 6.Bg4 Rh1 7.Be2+ Kg1 8.Nb2 Kf2 9.Nd3+ Kg1 10.Nc5 Kf2 11.Ne4+ Kg1 12.Ng5 Kf2 13.Nh3+
20/24 00:00 1 346k 6 145k +M12 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qg7 Kf1 11.Qxg3 Kg1 12.Qxg2+
21/24 00:00 1 387k 6 137k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
22/22 00:00 1 495k 6 227k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
23/22 00:00 1 497k 6 211k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
24/22 00:00 1 577k 6 283k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
25/22 00:00 1 623k 6 268k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
26/22 00:00 1 776k 6 322k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
27/22 00:00 1 969k 6 250k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
28/22 00:00 2 382k 6 600k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
29/22 00:00 2 870k 6 984k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
30/22 00:00 3 820k 7 625k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
31/22 00:00 5 106k 8 183k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
32/22 00:00 6 883k 8 790k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
33/22 00:01 9 660k 9 452k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
34/22 00:01 13 269k 10 168k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
35/22 00:01 18 619k 10 744k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
36/22 00:02 25 438k 11 417k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
37/22 00:02 33 944k 11 948k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
38/22 00:03 48 095k 12 730k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
39/22 00:04 63 684k 13 180k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
40/22 00:06 91 264k 13 834k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
41/22 00:08 117 106k 14 005k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
42/22 00:11 159 520k 14 300k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
43/22 00:13 197 748k 14 418k +M11 1.Kd3 g3 2.f4 Kf1 3.Kd2+ Kg1 4.Bd7 Kf1 5.Bh3 Kg1 6.f5 Kf1 7.f6 Rg1 8.f7 Rh1 9.f8Q+ Kg1 10.Qa8 Kf1 11.Qxg2+
Joe Ellis does a nice job with SF-Matefider. ( a nod and a tip of the hat)
rcmaddox
Posts: 181 Joined: Mon Oct 14, 2013 8:59 pm
Location: Winder, GA
Full name: Robert C. Maddox
Post
by rcmaddox » Sat Oct 14, 2017 6:41 am
Houdini 6 solves it very quickly on my modest laptop.