Test position, Compliments of LC0

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AdminX
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Test position, Compliments of LC0

Post by AdminX » Mon Aug 27, 2018 9:49 am

LCO using a GTX 1070



https://lichess.org/study/YT4nvKYD/IJeaBUse#0
"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
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chrisw
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Re: Test position, Compliments of LC0

Post by chrisw » Mon Aug 27, 2018 10:46 am

visually, position gagging for Ng5 or Nf6+
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zullil
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Full name: Louis Zulli

Re: Test position, Compliments of LC0

Post by zullil » Mon Aug 27, 2018 11:13 am

AdminX wrote:
Mon Aug 27, 2018 9:49 am
LCO using a GTX 1070
Cfish-dev finds it:

info depth 33 seldepth 59 multipv 1 score cp 69 lowerbound nodes 2912810032 nps 28343826 hashfull 865 tbhits 0 time 102767 pv f3g5
info depth 33 currmove f3g5 currmovenumber 1

flither
Posts: 13
Joined: Thu Aug 02, 2018 9:16 pm
Full name: Raf Levsky

Re: Test position, Compliments of LC0

Post by flither » Mon Aug 27, 2018 11:17 am

My phone reinforced with CiChess 180618 finds and sticks to Ng5 after less than minute and 270M nodes searched to depth 25, with 2.34 score, so I guess it's not so deep tactics

nabildanial
Posts: 96
Joined: Thu Jun 05, 2014 3:29 am
Location: Malaysia

Re: Test position, Compliments of LC0

Post by nabildanial » Mon Aug 27, 2018 11:29 am

Latest SF found it after ~1 min. Beautiful game, by the way.
Stockfish_18082021_x64_bmi2:
...
30/19 00:25 533,012k 20,694k 0.00 d4xc5 Rb8-b2 Nf3-d4 Qe7xh4 Rf1-f2 Rf8-b8 Qd3-h3 Qh4xh3 g2xh3 Na5-c6 Be2xc4 d5xc4 Rf2xb2 Rb8xb2 Rc1-d1 Nc6-b8 Rd1-f1 Nb8-c6
31/42+ 00:37 778,308k 20,892k +0.08 Nf3-h2
31/42+ 00:41 883,061k 21,049k +0.17 Nf3-h2
31/44+ 00:48 1,025,684k 21,217k +0.30 Nf3-h2
31/56+ 01:08 1,489,503k 21,688k +0.48 Nf3-g5
31/56+ 01:22 1,788,755k 21,759k +2.85 Nf3-g5
31/62 01:39 2,164,449k 21,722k +2.92 Nf3-g5 h6xg5 f4xg5 Rf8-d8 Qd3-g3 Kg8-h8 g5-g6 Rd8-f8 g6xf7 Rf8xf7 Rf1xf7 Qe7xf7 Rc1-f1 Qf7-g8 Nh5-f4 Qg8-h7 Nf4-g6+ Kh8-g8 Ng6-e7+ Kg8-h8 Rf1-f7 Qh7-h6 Ne7-g6+ Kh8-g8 Rf7xd7 c5xd4 c3xd4 Qh6-e3+ Qg3xe3 Nc4xe3 Ng6-f4 Na5-c6 Nf4xe6 Ne3-f5 Rd7xd5 Rb8-b4 Be2xa6 Nf5xd4 Ne6xd4 Rb4xd4 Rd5xd4
32/45+ 01:52 2,432,453k 21,587k +3.01 Nf3-g5
32/47+ 01:55 2,488,815k 21,563k +3.10 Nf3-g5
32/51+ 02:33 3,277,427k 21,384k +4.00 Nf3-g5
32/59 03:00 3,884,526k 21,516k +4.25 Nf3-g5 h6xg5 f4xg5 Rf8-c8 Qd3-g3 g7-g6 Nh5-f6+ Kg8-g7 h4-h5 c5xd4 Qg3-h4 Nc4xe5 Qh4-h2 Qe7-d6 Nf6xd7 Ne5-c4 Nd7xb8 Qd6xh2+ Kg1xh2 d4-d3 Be2xd3 Rc8xb8 h5-h6+ Kg7-g8 Rc1-e1 Nc4-d6 Bd3xg6 f7xg6 Re1xe6 Na5-c4 Re6xg6+ Kg8-h8 Rg6-e6 Nd6-e4 g5-g6 Nc4-d6 Re6-e7 Ne4xc3 Kh2-g3 Nd6-e4+ Kg3-g4 Nc3xa2 Re7-h7+ Kh8-g8 Rh7-d7 Na2-b4
33/59 03:04 3,964,839k 21,536k +4.25 Nf3-g5 h6xg5 f4xg5 Rf8-c8 Qd3-g3 g7-g6 Nh5-f6+ Kg8-g7 h4-h5 c5xd4 Qg3-h4 Nc4xe5 Qh4-h2 Qe7-d6 Nf6xd7 Ne5-c4 Nd7xb8 Qd6xh2+ Kg1xh2 d4-d3 Be2xd3 Rc8xb8 h5-h6+ Kg7-g8 Rc1-e1 Nc4-d6 Bd3xg6 f7xg6 Re1xe6 Na5-c4 Re6xg6+ Kg8-h8 Rg6-e6 Nd6-e4 g5-g6 Nc4-d6 Re6-e7 Ne4xc3 Kh2-g3 Nd6-e4+ Kg3-g4 Nc3xa2 Re7-h7+ Kh8-g8 Rh7-d7 Na2-b4
Edit: CiChess 2.4 Tactical Mode finds it in less than 1 sec.
CiChess_2.4_x64_270718_BMI2:
1/1 00:00 579 290k +1.62 Rc1-b1 Rb8xb1 Rf1xb1
2/2 00:00 740 370k +1.66 g2-g3 c5xd4
3/3 00:00 894 447k +5.88 g2-g3 c5xd4 Nf3xd4
4/4 00:00 1k 713k +1.60 g2-g3 Na5-c6 Kg1-g2 c5xd4
5/5 00:00 4k 1,993k +3.85 Nf3-g5 h6xg5 f4xg5 Na5-c6 Be2-g4 c5xd4
6/6 00:00 6k 2,949k +2.25 Nf3-g5 h6xg5 f4xg5 Rb8-b2 Rf1-f3 Bd7-c6
7/7 00:00 7k 2,422k +4.53 Nf3-g5 h6xg5 f4xg5 Nc4-b2 Qd3-c2 Na5-c4 Rc1-b1
8/8 00:00 16k 3,970k +2.81 Nf3-g5 h6xg5 f4xg5 Nc4-b2 Qd3-f3 Kg8-h8 Be2xa6 c5xd4 c3xd4
9/9 00:00 18k 4,500k +2.79 Nf3-g5 h6xg5 f4xg5 Nc4-b2 Qd3-f3 Na5-c4 Be2xc4 Nb2xc4 Nh5-f6+ g7xf6 g5xf6
10/11 00:00 20k 3,981k +2.79 Nf3-g5 h6xg5 f4xg5 Nc4-b2 Qd3-f3 Na5-c4 Be2xc4 Nb2xc4 Nh5-f6+ g7xf6 g5xf6
11/13 00:00 58k 5,750k +4.70 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 Rf8-c8 Nh5-f6+ g7xf6 g5xf6
12/18 00:00 81k 6,721k +5.93 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 Rf8-c8 Nh5-f6+ g7xf6
13/22 00:00 260k 6,844k +6.82 Nf3-g5 h6xg5 f4xg5 Nc4-b2 Qd3-f3 f7-f5 e5xf6/ep c5xd4 c3xd4 Bd7-b5 Be2xb5 a6xb5 f6xe7 Rf8xf3 Rf1xf3
14/27 00:00 626k 7,829k +7.36 Nf3-g5 h6xg5 f4xg5 Nc4-d6 Nh5-f6+ Qe7xf6 e5xf6 Nd6-f5 f6xg7 Kg8xg7 d4xc5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 Na5-c4 Qe2-h5
15/23 00:00 750k 7,896k +8.78 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 Rb8-b2 Qe2xb2 Qe7-c7 Qb2-e2 Na5-c6 Rc1-e1 Rf8-b8 Qe2-f2 d5-d4 c3xd4 c5xd4 Re1-c1
16/26 00:00 893k 8,049k +4.72 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 c5-c4 Qd3-f3 Na5-c6 Qf3-f4 Qe7-c5+ Kg1-h1 Nc6-e7 Nh5-f6+ g7xf6 g5xf6 Kg8-h7 Qf4-g5 Ne7-g6 Rc1-e1 Qc5-c7 Be2-h5
17/30 00:00 3,850k 8,480k +8.98 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 Rb8-b2 Qe2xb2 Qe7-c7 Qb2-e2 Na5-c6 Rc1-e1 Qc7-a5 Qe2-c2 Nc6-e7 Nh5-f6+ g7xf6 e5xf6
18/34 00:00 4,541k 8,519k +9.50 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 g7-g6 Nh5-f6+ Kg8-g7 h4-h5 Na5-c4 h5-h6+ Kg7-h8 Qe2-d3 Rb8-b2 Rf1-f4 Nc4-d2 Qd3-e2 Rb2xa2 Rf4-h4 Nd2-e4 Qe2xa2 Ne4xf6
19/32 00:00 4,892k 8,553k +8.72 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 g7-g6 Nh5-f6+ Kg8-g7 h4-h5 Na5-c4 h5-h6+ Kg7-h8 Qe2-d3 Rb8-b2 Qd3-h3 Nc4-d2 Rf1-f2 Nd2-e4 Rf2xb2 Ne4xf6 g5xf6
20/35 00:00 5,664k 8,556k +8.35 Nf3-g5 h6xg5 f4xg5 Nc4xe5 d4xe5 Bd7-b5 Qd3-f3 Bb5xe2 Qf3xe2 g7-g6 Nh5-f6+ Kg8-g7 h4-h5 Na5-c4 Qe2-f2 Rf8-h8 h5-h6+ Kg7-f8 Rc1-c2 Qe7-c7 Rc2-e2 Qc7-e7 g2-g3 Qe7-c7 Kg1-h1 Qc7-e7 Kh1-g2 Qe7-c7 Qf2-f4 Rb8-b2 Re2xb2 Nc4xb2
21/40 00:01 10,950k 8,436k +7.69 Nf3-g5 h6xg5 f4xg5 Nc4xe5 Qd3-g3 Kg8-h8 Qg3xe5 Rf8-g8 Be2-d3 Bd7-b5 Bd3xb5 Rb8xb5 Qe5-e2 Rb5-b2 Qe2xb2 c5xd4 c3xd4 Na5-c4 Qb2-f2 e6-e5 Qf2-f3 e5xd4 Qf3xd5 Qe7-e3+ Kg1-h2
22/40 00:01 14,150k 8,368k +7.69 Nf3-g5 h6xg5 f4xg5 Nc4xe5 Qd3-g3 Kg8-h8 Qg3xe5 Rf8-g8 Be2-d3 Bd7-b5 Bd3xb5 Rb8xb5 Qe5-e2 Rb5-b2 Qe2xb2 c5xd4 c3xd4 Na5-c4 Qb2-f2 e6-e5 Qf2-f3 e5xd4 Qf3xd5 Qe7-e3+ Kg1-h2
22/37 00:01 14,150k 8,368k +8.27 Nf3-g5 h6xg5 f4xg5 Nc4xe5 Qd3-g3 Kg8-h8 Qg3xe5 Rf8-g8 Be2-d3 Bd7-b5 Bd3xb5 Rb8xb5 Qe5-e2 Rb5-b2 Qe2xb2 Na5-c4 Qb2-f2 Nc4-d6 d4xc5 Nd6-e4 Qf2-d4 e6-e5 Qd4xd5 Qe7xc5+ Qd5xc5 Ne4xc5 Rf1xf7

yanquis1972
Posts: 1757
Joined: Tue Jun 02, 2009 10:14 pm

Re: Test position, Compliments of LC0

Post by yanquis1972 » Mon Aug 27, 2018 7:05 pm

chrisw wrote:
Mon Aug 27, 2018 10:46 am
visually, position gagging for Ng5 or Nf6+
Apparently both! Great game and share, thanks.

MikeB
Posts: 2822
Joined: Thu Mar 09, 2006 5:34 am
Location: Pen Argyl, Pennsylvania

Re: Test position, Compliments of LC0

Post by MikeB » Tue Aug 28, 2018 12:59 am

a new McBrain variant, named "McCain, the Maverick" in honor of John McCain finds it in a few seconds, single core:

Code: Select all

Mac-Pro:src michaelbyrne$ McCain 
Mon Aug 27 20:54:06 2018

McCain, the Maverick-> Dedicated to John S McCain, an American Hero.
dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 29	+2.96!	307.4M	3:32.15	Ng5! 
 29	+2.82?	303.1M	3:29.11	Ng5 hxg5? 
 29	+3.00?	299.9M	3:26.94	Ng5 hxg5? 
 29	+3.13?	299.1M	3:26.43	Ng5 hxg5? 
 29	+3.22?	298.6M	3:26.08	Ng5 hxg5? 
 28	+3.30 	273.5M	3:08.81	Ng5 hxg5 fxg5 Rfc8 Qg3 g6 Nf6+ Kg7 h5 cxd4 Qh3 Nxe5 Qh2 Qd6 Nxd7 Nec4 Nxb8 Qxh2+ Kxh2 Rxb8 h6+ Kg8 cxd4 Nd6 Rc7 Nac4 Rd7 Nf5 Bxc4 dxc4 Kh3 c3 Rc7 
 28	+3.06!	245.2M	2:49.10	Ng5! 
 28	+2.84?	245.0M	2:48.94	Ng5 hxg5? 
 28	+3.10!	232.0M	2:40.07	Ng5! 
 28	+2.97?	231.3M	2:39.62	Ng5 hxg5? 
 28	+3.14!	224.5M	2:34.99	Ng5! 
 27	+3.05 	203.0M	2:20.09	Ng5 hxg5 fxg5 Rfc8 Qg3 Kh8 Nf6 cxd4 Qf3 g6 h5 Kg7 Qh3 Nxe5 Qh2 Qd6 Nxd7 Nec4 Nxb8 Qxh2+ Kxh2 Rxb8 h6+ Kg8 cxd4 Nd6 Bxa6 Ra8 Bd3 Nac4 Rf2 Ra4 Bxc4 
 27	+2.84!	185.8M	2:08.06	Ng5! 
 27	+2.55?	182.4M	2:05.60	Ng5 hxg5? 
 27	+2.94!	168.4M	1:56.08	Ng5! 
 27	+2.81!	154.8M	1:46.54	Ng5! 
 27	+2.72!	146.0M	1:40.52	Ng5! 
 26	+2.64 	128.7M	1:28.36	Ng5 hxg5 fxg5 Rfc8 Qg3 Kh8 Nf6 cxd4 Qf3 g6 h5 Kg7 Qh3 Nxe5 Qh2 Nac6 cxd4 Qa3 Kh1 Qe3 dxe5 Qxg5 Nxd7 Nd4 h6+ Qxh6 Qxh6+ Kxh6 Nxb8 Rxb8 Bd3 Rb2 a4 Ne2 Bxe2 Rxe2 Rxf7 Rxe5 
 26	+2.36?	128.0M	1:27.88	Ng5 hxg5? 
 26	+2.93!	126.8M	1:27.08	Ng5! 
 26	+2.75!	116.4M	1:19.92	Ng5! 
 26	+2.62!	106.4M	1:13.03	Ng5! 
 26	+2.53!	99.4M  	1:08.37	Ng5! 
 25	+2.44 	80.3M  	0:55.13	Ng5 hxg5 fxg5 Rfc8 Qg3 Kh8 Nf6 cxd4 Qf3 g6 h5 Kg7 Nxd7 Ne3 Nxb8 Nxf1 Qf6+ Qxf6 exf6+ Kg8 Kxf1 Rxb8 hxg6 dxc3 Rxc3 fxg6 Bxa6 Rb1+ Kf2 Rb2+ Kf3 Nc4 Bxc4 dxc4 Rxc4 Rxa2 Rc7 Kf8 Kg3 Ra3+ Kf4 Ra2 Rc8+ Kf7 
 25	+2.59!	79.3M  	0:54.47	Ng5! 
 25	+2.30?	78.8M  	0:54.15	Ng5 hxg5? 
 25	+2.70!	77.7M  	0:53.36	Ng5! 
 25	+2.57!	66.5M  	0:45.66	Ng5! 
 25	+2.48!	61.1M  	0:41.97	Ng5! 
 24	+2.39 	54.7M  	0:37.51	Ng5 hxg5 fxg5 Rfc8 Qg3 Kh8 Nf6 cxd4 Qf3 g6 h5 Kg7 Nxd7 Nd2 Qf6+ Qxf6 exf6+ Kg8 Nxb8 Nxf1 Kxf1 Rxb8 hxg6 dxc3 gxf7+ Kxf7 Rxc3 Nc4 Bxc4 dxc4 Rxc4 Rb1+ Kf2 Rb2+ Kf3 Rxa2 
 24	+2.51!	51.9M  	0:35.60	Ng5! 
 23	+2.42 	42.5M  	0:29.06	Ng5 hxg5 fxg5 Rfe8 Qg3 Nd2 Nf6+ Kf8 Qg4 Bb5 Qh5 Qb7 Bxb5 axb5 Qh8+ Ke7 Nxe8 Rxe8 Qxg7 Nxf1 Rxf1 Rf8 g6 Ke8 gxf7+ Ke7 Qg5+ Kd7 Qh6 
 23	+2.23!	38.0M  	0:26.03	Ng5! 
 23	+1.80?	37.2M  	0:25.48	Ng5 hxg5? 
 23	+2.33!	34.7M  	0:23.76	Ng5! 
 23	+2.05?	34.6M  	0:23.66	Ng5 hxg5? 
 23	+2.44!	33.4M  	0:22.93	Ng5! 
 23	+2.31!	30.3M  	0:20.83	Ng5! 
 23	+2.22!	27.5M  	0:18.95	Ng5! 
 22	+2.14 	20.5M  	0:14.06	Ng5 hxg5 fxg5 Rfc8 Qg3 cxd4 Nf6+ Kf8 g6 d3 Nh7+ Kg8 gxf7+ Kxh7 Bxd3+ Kh8 Rf2 Ne3 Qxe3 Bb5 Bxb5 axb5 Qh3 Rc4 Qf3 Rxh4 f8=Q+ Rxf8 Qxf8+ Qxf8 Rxf8+ Kh7 Re8 Kg6 
 22	+1.90!	16.4M  	0:11.21	Ng5! 
 22	+1.57!	13.8M  	0:09.44	Ng5! 
 22	+1.31!	11.7M  	0:08.02	Ng5! 
 22	+1.13!	10.3M  	0:07.11	Ng5! 
 22	+1.00!	9.17M  	0:06.34	Ng5! 
 22	+0.91?	8.88M  	0:06.13	Ng5 hxg5? 
 21	+1.00 	7.72M  	0:05.34	Ng5 hxg5 fxg5 Rfc8 Qg3 cxd4 Nf6+ Kf8 g6 Be8 Nxe8 Kxe8 Rxf7 Qc5 Qg4 d3+ Kh1 Rc7 Qxe6+ Kd8 Bxd3 Rxf7 gxf7 
 21	+0.73!	6.88M  	0:04.78	Ng5! 
 21	+0.48!	6.56M  	0:04.57	Ng5! 
 21	+0.30!	6.38M  	0:04.46	Ng5! 
 21	+0.17!	6.16M  	0:04.30	Ng5! 
 21	+0.08!	6.08M  	0:04.26	Ng5! 
 20	  0.00 	4.60M  	0:03.23	Ng5 hxg5 fxg5 Rfd8 Qg3 cxd4 cxd4 Be8 Nf6+ Kf8 Bxc4 Nxc4 Nh7+ Kg8 Nf6+ 
 19	 -0.25 	2.02M  	0:01.42	dxc5 Qxc5+ Nd4 Kh8 Rb1 Rxb1 Rxb1 Rg8 Qg3 Bb5 Bxc4 Nxc4 Qe1 Na3 Rb3 Bd3 f5 Bxf5 Qf2 Nc4 Nxf5 Qxf2+ Kxf2 exf5 Nf4 
 18	 -0.34 	1.73M  	0:01.22	dxc5 Qxc5+ Nd4 Kh8 Rb1 Rxb1 Rxb1 Rg8 Qg3 Bb5 Bxc4 Qxc4 Qe1 Nc6 Qd2 Nxd4 cxd4 Rc8 Kh2 Kg8 Ng3 Kf8 Rb2 Qc3 Qxc3 Rxc3 f5 
 17	 -0.23 	1.37M  	0:00.96	dxc5 Qxc5+ Nd4 Kh8 Qg3 Rg8 Bxc4 Nxc4 Rb1 Rb2 Rxb2 Nxb2 Rf3 Nc4 Qe1 Qb6 Kh1 a5 Rg3 Qd8 
 16	 -0.15 	997928	0:00.71	dxc5 Qxc5+ Qd4 Qxd4+ Nxd4 Rb2 Rf3 Kh8 Bxc4 Nxc4 Rg3 Rg8 Rc2 Rxc2 Nxc2 a5 Nd4 Nd2 Re3 Ne4 Ng3 
 15	 -0.27 	457893	0:00.33	dxc5 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rb1 Rxb1 Rxb1 Bb5 Kh2 Na3 Rb2 Bxe2 Rxe2 N3c4 Qd3 
 14	 -0.31 	240038	0:00.18	dxc5 Qxc5+ Qd4 Qxd4+ Nxd4 Nd2 Rfe1 Rb2 Rc2 Rxc2 Nxc2 Ne4 Bxa6 Ra8 Bd3 Nxc3 Re3 
 13	 -0.34 	145686	0:00.11	dxc5 Qxc5+ Nd4 Kh8 Qg3 Rg8 Bxc4 Nxc4 Rb1 Rxb1 Rxb1 Nd2 Rb7 Ne4 Qd3 
 12	+0.04 	42185  	0:00.03	dxc5 Qxc5+ Nd4 Kh8 Rb1 Rxb1 Rxb1 Bb5 Qg3 Rg8 Bxc4 Nxc4 Qf2 Na3 
 11	+0.10 	28532  	0:00.02	dxc5 Qxc5+ Nd4 Kh8 Rb1 Rg8 Rxb8 Rxb8 Rb1 Rxb1+ Qxb1 Nc6 Bxc4 dxc4 
 10	+0.21 	23154  	0:00.02	dxc5 Qxc5+ Nd4 Kh8 Rb1 Rg8 Rxb8 Rxb8 Rb1 Rxb1+ Qxb1 Nd2 Qb2 Nac4 Qb8+ Bc8 
  9	 -0.04 	17361  	0:00.01	dxc5 Qxc5+ Nd4 Kh8 Kh1 Rg8 Rb1 Bb5 Kh2 Na3 
  8	+0.19 	10490  	0:00.01	dxc5 Nc6 Nd4 Qxh4 Rc2 Nxd4 cxd4 Bb5 
  7	 -0.42 	7606    	0:00.01	f5 exf5 Nf4 Be6 a4 Rb2 Rc2 
  6	 -0.49 	3566    	0:00.00	f5 exf5 Nf4 Be6 a4 Rb2 
  5	+0.33 	1592    	0:00.00	f5 exf5 Nf4 cxd4 Nxd5 
  4	 -0.23 	849      	0:00.00	g3 Bb5 Kg2 Nb2 
  3	+0.10 	404      	0:00.00	g3 Nc6 Rb1 
  2	+0.23 	226      	0:00.00	g3 cxd4 
  1	+0.20 	109      	0:00.00	Rb1 cxd4 cxd4 
  0	# 
  
the source changes are embedded in McBrain , simply type "Maverick" here to activate

### Executable name
VERSION=maverick
ifeq ($(VERSION),maverick)
CXXFLAGS += -DMaverick
ifeq ($(COMP),mingw)
EXE = McCain.exe
else
EXE = McCain
endif
else
ifeq ($(COMP),mingw)
EXE = McBrain.exe
else
EXE = McBrain
endif
endif

Dann Corbit
Posts: 9270
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: Test position, Compliments of LC0

Post by Dann Corbit » Tue Aug 28, 2018 1:06 am

Took a fairly slow machine running SF about 1.5 minutes to fail high on Ng5 and 7 minutes+ to resolve the fail high.

Code: Select all

Searching: 1r3rk1/3bqpp1/p3p2p/n1ppP2N/2nP1P1P/2PQ1N2/P3B1P1/2R2RK1 w - - 0 1
infinite: 0 time: 0 increment: 0 moves to go: 0

 1   -0.06   00:00    3445  Rb1 
 2   -0.04   00:00   22481  dxc5 Rb2 
 3   -0.29   00:00   41295  Rb1 Bb5 dxc5 
 4   -0.58   00:00   65739  f5 exf5 Nf4 Be6 
 5   -0.61   00:00   87152  f5 exf5 Nf4 Be6 Rb1 
 6   -0.54   00:00  110456  dxc5 Rb2 Nd4 Qxh4 Rc2 Rxc2 Nxc2 Rc8 Rb1 
 7   -0.54   00:00  132193  dxc5 Rb2 Nd4 Qxh4 Rc2 Rxc2 Nxc2 
 8   -0.63   00:00  154771  dxc5 Rb2 Nd4 Qxh4 Rc2 Rxc2 Nxc2 Rc8 
 9   -0.71   00:00  190819  dxc5 Rfc8 Rb1 Bb5 Nd4 Qxh4 Qg3 Qxg3 Nxg3 Na3 
10   -0.73   00:00  216231  dxc5 Rfc8 Rb1 Bb5 Nd4 Qxh4 a4 Nxe5 Qg3 Qxg3 Nxg3 
11   -0.58   00:00  317337  dxc5 Rb2 a4 Rfb8 Nd4 Qxh4 Rb1 Bxa4 Rxb2 Rxb2 Qg3 
12   -0.77   00:00  399492  dxc5 Rb2 a4 Bxa4 Nd4 Qxh4 Rb1 Rfb8 Rxb2 Rxb2 Qg3 Qxg3 Nxg3 Nc6 Bxc4 
13   -0.57   00:00  900496  dxc5 Rfc8 Qd4 Qxc5 Qxc5 Rxc5 Rf2 Nc6 Nd4 Ne7 Ng3 Ng6 h5 Ne7 
14   -0.53   00:00   2051K  dxc5 Rb2 Nd4 Qxh4 Rc2 Rxc2 Nxc2 Bb5 Qd1 Nb2 Qd2 Rc8 Nd4 Bxe2 Qxe2 Rxc5 Rb1 
15   -0.47   00:00   2171K  dxc5 Rfc8 Qd4 Rb2 Qf2 Qf8 Nd4 Rxc5 Qg3 Kh8 Bd3 Nd2 Rfe1 Rxa2 Ra1 Rxa1 Rxa1 Ne4 
16   -0.77   00:00   4618K  dxc5 Rfc8 Qd4 Rb2 Qf2 Qxc5 Nd4 Kh8 Rc2 Rxc2 Nxc2 Nd2 Bxa6 Rc7 Qxc5 Rxc5 Rf2 Ne4 Rf3 Nxc3 a3 Ne4 
17   -0.52   00:00   8213K  dxc5 Qxc5+ Nd4 Kh8 Rb1 Rxb1 Rxb1 Bb5 a4 Bxa4 f5 Na3 Rf1 Bb5 Qg3 Rg8 Bxb5 Nxb5 fxe6 fxe6 
18   -0.36   00:01   8849K  dxc5 Qxc5+ Qd4 Rfc8 Qxc5 Rxc5 Rf2 Rb2 Bd3 Nc6 Bc2 a5 Nd4 Nxd4 cxd4 Rc8 Bd3 Rbb8 Rf3 Nb2 Rxc8+ Rxc8 
19   -0.58   00:01  12150K  dxc5 Qxc5+ Qd4 Rfc8 Qxc5 Rxc5 Rf2 Rb2 Bd3 Rxf2 Kxf2 Nb2 Bxa6 Rxc3 Rxc3 Nd1+ Ke1 Nxc3 a3 Nc4 Ng3 Nxa3 Kd2 Bb5 Kxc3 Bxa6 Kd2 Kh7 
20   -0.48   00:01  14170K  dxc5 Qxc5+ Qd4 Rfc8 Qxc5 Rxc5 Rf2 Rb2 Bf1 Rxf2 Kxf2 Nb2 Bxa6 Rxc3 Rxc3 Nd1+ Ke1 Nxc3 a3 Nb3 Be2 Nb1 f5 exf5 Nf4 Be6 Nxe6 
21   -0.42   00:02  20487K  dxc5 Rfc8 Qd4 Qxc5 Qxc5 Rxc5 Rf2 Rb2 Bf1 Rxf2 Kxf2 Nb2 Bxa6 Rxc3 Rxc3 Nd1+ Ke1 Nxc3 a3 Nc4 Bxc4 dxc4 Ng3 Nd5 Ne2 c3 Kd1 Kh7 Kc1 Kg6 Nfd4 Kh5 Kc2 Kxh4 
22   -0.13   00:05  50525K  dxc5 Rfc8 f5 exf5 Nd4 Re8 Qg3 Qxe5 Bxc4 dxc4 Nxf5 Bxf5 Rxf5 Qxg3 Nxg3 Nc6 Rcf1 Re3 R1f3 Rxf3 Rxf3 Ne5 Rf1 Rb2 Rf5 f6 Rf2 Rxf2 Kxf2 Kf7 Ke3 Ke6 
23   +0.00   00:06  62625K  dxc5 Qxc5+ Nd4 Kh8 Bd1 Na3 Qg3 Rg8 f5 exf5 Qf4 Bc8 Nf6 Rf8 Kh2 Nc6 Nxf5 Bxf5 Qxf5 gxf6 Qxf6+ Kh7 Qf5+ Kg7 Qf6+ 
24   -0.10   00:07  78708K  dxc5 Rfc8 f5 exf5 Nd4 Nxe5 Qg3 Ng6 Bxa6 Rd8 Bd3 Qxh4 Qxh4 Nxh4 g3 Ng6 Bxf5 Ne5 Rce1 Nac6 Bxd7 Rxd7 Nxc6 Nxc6 Rf6 Rc8 Rxh6 d4 Rd6 Rxd6 cxd6 dxc3 
25   -0.10   00:09 101799K  dxc5 Rfc8 f5 exf5 Nd4 Nxe5 Qg3 Ng6 Bxa6 Rd8 Bd3 Qxh4 Qxh4 Nxh4 g3 Ng6 Bxf5 Ne5 Rce1 Nac6 Bxd7 Rxd7 Nxc6 Nxc6 Rf6 Rc8 Rxh6 d4 Rd6 Rxd6 cxd6 dxc3 
26   +0.00   00:30 318245K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
27   +0.00   00:31 324113K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
28   +0.00   00:31 328874K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
29   +0.00   00:32 332933K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
30   +0.00   00:35 371262K  dxc5 Rb2 Nd4 Qxh4 Rb1 Rxa2 Rf2 Nc6 g3 Qd8 Qf3 Kh8 Rh2 Nd2 Qg4 Rg8 Nxg7 Rxg7 Rxh6+ Rh7 Rxh7+ Kxh7 Qh5+ Kg7 Qg4+ 
31   +0.00   00:41 426676K  dxc5 Rb2 Nd4 Qxh4 Rb1 Rxa2 Rf2 Nc6 g3 Qd8 Qf3 Kh8 Rh2 Nd2 Qg4 Rg8 Nxg7 Rxg7 Rxh6+ Rh7 Rxh7+ Kxh7 Qh5+ Kg7 Qg4+ 
32   +0.00   00:45 474742K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
33   +0.00   00:54 566644K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
34   +0.00   00:57 595660K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
35   +0.00   01:07 694034K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
36   +0.00   01:10 728247K  dxc5 Rb2 Rb1 Qxc5+ Nd4 Kh8 Qg3 Rg8 Rxb2 Nxb2 Bxa6 Nc6 Qe3 Na4 Rc1 Qa3 Nb5 Qc5 
37   +3.04   07:35   4584M  Ng5 hxg5 fxg5 Rfd8 Qg3 Kh8 Nf6 gxf6 exf6 Qe8 Bd3 Nd6 g6 fxg6 h5 g5 Qxd6 Nc6 Bg6 Qf8 Qg3 Qh6 dxc5 Rf8 Rce1 g4 Qxg4 Rb2 Qh4 Nd8 f7 Bc6 Qd4+ Qg7 Rf6 Rxf7 Rxf7 Nxf7 Rxe6 Qxd4+ cxd4 Nd8 Rd6 Rb8 Kf2 Bb5 g4 a5 Kg3 Kg8 Kf4 a4 Rxd5 Bc4 Rd6 Bxa2 c6 Nxc6 Rxc6 Bf7 Ke5 Bxg6 
38   +4.15   18:24  10880M  Ng5 hxg5 fxg5 Rfc8 Qg3 cxd4 Nf6+ Kh8 Qg4 g6 h5 Kg7 Qh3 Nxe5 Qh2 Qd6 Nxd7 Nec4 Nxb8 Qxh2+ Kxh2 Rxb8 h6+ Kg8 cxd4 Rc8 Kg3 Rc7 Kf4 Kh7 Bd3 Re7 Rfe1 Rc7 Bxc4 Nxc4 Rb1 a5 a4 Nd6 Rec1 Re7 Rb8 Nc4 Rb5 e5+ Kf3 Nd2+ Ke2 Ne4 Rxa5 exd4 Kd3 Nxg5 
39   +4.29   22:19  13128M  Ng5 hxg5 fxg5 Rfc8 Qg3 Kh8 Nf6 cxd4 Qf3 g6 Qh3 Kg7 h5 Nxe5 Qh2 Qd6 Nxd7 Nec4 Nxb8 Qxh2+ Kxh2 Rxb8 h6+ Kg8 cxd4 Rf8 Bd3 Rc8 Kg3 Rc7 Kf4 Kh7 Rfe1 Rd7 Rc3 Rc7 Rb1 Re7 Rcc1 Rd7 Be2 Rc7 Rc3 Re7 Bd3 Rd7 Rb8 Nc6 Rc8 e5+ dxe5 Nd4 Bxc4 Ne6+ Kf3 dxc4 
40   +3.53   29:01  17075M  Ng5 hxg5 fxg5 Rfc8 Qg3 cxd4 Nf6+ Kh8 Qf3 g6 h5 Kg7 Qh3 Nxe5 Qh2 Nac6 cxd4 Qa3 Kh1 Qe3 dxe5 Qxg5 Nxd7 Ne7 Rxc8 Rxc8 hxg6 fxg6 Qf4 Qxf4 Rxf4 Rc2 Bd3 Rxa2 Nf8 Nf5 Nxe6+ Kf7 Nd4 Ke7 Bxf5 gxf5 Rxf5 Ra4 Nf3 a5 Rf6 d4 Rd6 Ra1+ Kh2 d3 Kg3 a4 Kf4 a3 Ke3 a2 
Nodes: 17075284870
Nodes/second: 9805329
Best move: Ng5
Ponder move: hxg5
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Re: Test position, Compliments of LC0

Post by AdminX » Tue Aug 28, 2018 8:01 pm

"Good decisions come from experience, and experience comes from bad decisions."
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jdart
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Re: Test position, Compliments of LC0

Post by jdart » Wed Aug 29, 2018 12:16 am

Nice test position. Stockfish 9 multi-pv analysis, 1000 seconds on a i7-6700k:

1r3rk1/3bqpp1/p3p2p/n1ppP2N/2nP1P1P/2PQ1N2/P3B1P1/2R2RK1 w - - bm Ng5; c0 "LC0-Stockfish, lichess.org 2018";

depth 37 seldepth 64 multipv 1 score cp 320 nodes 8162362933 nps 8162322 hashfull 977 tbhits 0 time 1000005 pv f3g5
depth 36 seldepth 47 multipv 2 score cp 47 nodes 8162362933 nps 8162322 hashfull 977 tbhits 0 time 1000005 pv f3h2 g8h8 h5g7 h8g\
7 h2g4 c5d4 g4f6 f8h8 c3d4 g7f8 f4f5 e6f5 f6d7 e7d7 f1f5 a5c6 c1f1 c6d8 f5f6 b8b6 e5e6 b6e6 e2g4 e6e3 d3c4 d5c4 g4d7 e3d3 d7c8 d\
3d4 f6f4 d4d6 f4c4 h8g8 c8g4 d6d5 g4f3 d5a5 a2a4 d8e6 f3g4 a5e5 g4h3 f8g7 h3e6 f7e6 g2g4
depth 36 seldepth 53 multipv 3 score cp -11 nodes 8162362933 nps 8162322 hashfull 977 tbhits 0 time 1000005 pv d4c5 e7c5 g1h1 c5\
e3 f3d4 e3d3 e2d3 b8b2 f1f3 g8h8 f3g3 f8g8 c1e1 a5c6 d4c6 d7c6 f4f5 c6d7 f5e6 d7e6 h5f4 b2a2 f4e6 f7e6 g3g6 g8e8 e1b1 a2b2 b1f1 \
h8g8 d3c4 d5c4 f1a1 g8h7 g6g4 e8a8 a1a4 b2b5 a4c4 a8a7 g4e4 a6a5 c4a4 h6h5 h1h2
++ solved in 70.005 seconds

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