Dev Builds » 20190726-0133

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host	Duration	Avg Base NPS	Games	Wins	Losses	Draws	Elo
ncm-et-3	08:34:02	1967801	3333	1962	73	1298	+223.31 +/- 9.35
ncm-et-4	08:24:48	1967358	3258	1936	67	1255	+226.86 +/- 9.51
ncm-et-9	08:34:44	1974336	3361	1995	69	1297	+226.54 +/- 9.35
ncm-et-10	08:34:59	1966621	3343	1989	65	1289	+227.83 +/- 9.38
ncm-et-13	08:39:09	1970514	3372	2020	70	1282	+229.27 +/- 9.42
ncm-et-15	08:34:39	1974810	3333	2014	67	1252	+232.35 +/- 9.53
			20000	11916	411	7673	+227.69 +/- 3.85

Test Detail

ID	Host	Started (UTC)	Duration	Base NPS	Games	Wins	Losses	Draws	Elo	PGN
90445	ncm-et-4	2019-07-26 20:29	00:40:24	1976038	258	157	8	93	+228.87 +/- 35.43	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 30479530 \ -pgnout /tmp/ncm-dbt-20190726-0133-042.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.29+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90444	ncm-et-15	2019-07-26 20:18	00:51:14	1976382	333	197	3	133	+231.52 +/- 29.01	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 634527649 \ -pgnout /tmp/ncm-dbt-20190726-0133-041.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.29+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90443	ncm-et-3	2019-07-26 20:18	00:51:34	1967079	333	187	8	138	+208.7 +/- 28.7	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3590731404 \ -pgnout /tmp/ncm-dbt-20190726-0133-040.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.40+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90442	ncm-et-10	2019-07-26 20:17	00:52:15	1959248	343	203	10	130	+221.23 +/- 29.83	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 4114239499 \ -pgnout /tmp/ncm-dbt-20190726-0133-039.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.50+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90441	ncm-et-9	2019-07-26 20:15	00:55:28	1977756	361	213	2	146	+232.52 +/- 27.55	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3220495005 \ -pgnout /tmp/ncm-dbt-20190726-0133-038.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.27+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90440	ncm-et-13	2019-07-26 20:12	00:57:48	1968321	372	232	12	128	+236.19 +/- 30.2	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2214168912 \ -pgnout /tmp/ncm-dbt-20190726-0133-037.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.39+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90439	ncm-et-4	2019-07-26 19:12	01:16:09	1962610	500	294	4	202	+230.16 +/- 23.45	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2586803622 \ -pgnout /tmp/ncm-dbt-20190726-0133-036.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.46+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90438	ncm-et-3	2019-07-26 19:01	01:16:28	1966152	500	293	13	194	+219.87 +/- 24.31	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3270902533 \ -pgnout /tmp/ncm-dbt-20190726-0133-035.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.41+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90437	ncm-et-15	2019-07-26 19:00	01:17:25	1972044	500	301	11	188	+230.16 +/- 24.69	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3895197389 \ -pgnout /tmp/ncm-dbt-20190726-0133-034.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.34+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90436	ncm-et-10	2019-07-26 18:58	01:18:16	1963696	500	283	11	206	+211.87 +/- 23.44	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1365982719 \ -pgnout /tmp/ncm-dbt-20190726-0133-033.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.44+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90435	ncm-et-9	2019-07-26 18:57	01:16:22	1974228	500	286	15	199	+210.89 +/- 24.01	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3067369969 \ -pgnout /tmp/ncm-dbt-20190726-0133-032.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.31+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90434	ncm-et-13	2019-07-26 18:55	01:15:57	1970652	500	292	9	199	+222.92 +/- 23.85	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1601617746 \ -pgnout /tmp/ncm-dbt-20190726-0133-031.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.36+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90433	ncm-et-4	2019-07-26 17:51	01:19:30	1957615	500	296	13	191	+222.92 +/- 24.53	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1465915857 \ -pgnout /tmp/ncm-dbt-20190726-0133-030.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.52+0.25 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90432	ncm-et-3	2019-07-26 17:41	01:18:37	1960776	500	305	9	186	+236.51 +/- 24.79	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 209288444 \ -pgnout /tmp/ncm-dbt-20190726-0133-029.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.48+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90431	ncm-et-15	2019-07-26 17:41	01:18:02	1972973	500	303	11	186	+232.26 +/- 24.84	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2388028440 \ -pgnout /tmp/ncm-dbt-20190726-0133-028.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.33+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90430	ncm-et-10	2019-07-26 17:41	01:16:19	1962950	500	309	8	183	+241.91 +/- 24.98	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 275425024 \ -pgnout /tmp/ncm-dbt-20190726-0133-027.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.45+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90429	ncm-et-9	2019-07-26 17:40	01:15:47	1982538	500	306	10	184	+236.51 +/- 24.97	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 357336389 \ -pgnout /tmp/ncm-dbt-20190726-0133-026.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.21+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90428	ncm-et-13	2019-07-26 17:37	01:16:50	1971894	500	297	10	193	+227.04 +/- 24.3	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3122133039 \ -pgnout /tmp/ncm-dbt-20190726-0133-025.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.34+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90427	ncm-et-4	2019-07-26 16:33	01:17:35	1973769	500	281	11	208	+209.91 +/- 23.31	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2102817065 \ -pgnout /tmp/ncm-dbt-20190726-0133-024.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.32+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90426	ncm-et-15	2019-07-26 16:24	01:15:39	1993287	500	310	12	178	+238.66 +/- 25.48	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 4289667069 \ -pgnout /tmp/ncm-dbt-20190726-0133-023.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.08+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90425	ncm-et-10	2019-07-26 16:23	01:16:36	1966634	500	303	10	187	+233.32 +/- 24.74	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3119443451 \ -pgnout /tmp/ncm-dbt-20190726-0133-022.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.41+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90424	ncm-et-3	2019-07-26 16:23	01:17:03	1969950	500	299	11	190	+228.08 +/- 24.55	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3698691449 \ -pgnout /tmp/ncm-dbt-20190726-0133-021.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.37+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90423	ncm-et-9	2019-07-26 16:23	01:16:31	1979324	500	282	15	203	+206.98 +/- 23.74	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1562149652 \ -pgnout /tmp/ncm-dbt-20190726-0133-020.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.25+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90422	ncm-et-13	2019-07-26 16:19	01:17:12	1971431	500	298	13	189	+224.97 +/- 24.67	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2204530636 \ -pgnout /tmp/ncm-dbt-20190726-0133-019.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.35+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90421	ncm-et-4	2019-07-26 15:14	01:17:22	1964458	500	306	13	181	+233.32 +/- 25.26	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2851519261 \ -pgnout /tmp/ncm-dbt-20190726-0133-018.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.43+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90420	ncm-et-3	2019-07-26 15:06	01:16:08	1966151	500	283	11	206	+211.87 +/- 23.44	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2399117838 \ -pgnout /tmp/ncm-dbt-20190726-0133-017.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.41+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90419	ncm-et-15	2019-07-26 15:05	01:18:12	1966155	500	306	9	185	+237.58 +/- 24.86	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 4037213850 \ -pgnout /tmp/ncm-dbt-20190726-0133-016.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.41+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90418	ncm-et-9	2019-07-26 15:05	01:17:00	1969560	500	297	9	194	+228.08 +/- 24.2	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 97969420 \ -pgnout /tmp/ncm-dbt-20190726-0133-015.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.37+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90417	ncm-et-10	2019-07-26 15:04	01:17:41	1967397	500	295	13	192	+221.9 +/- 24.45	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 157041026 \ -pgnout /tmp/ncm-dbt-20190726-0133-014.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.40+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90416	ncm-et-13	2019-07-26 15:00	01:17:53	1965688	500	301	12	187	+229.12 +/- 24.79	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2606245101 \ -pgnout /tmp/ncm-dbt-20190726-0133-013.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.42+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90415	ncm-et-4	2019-07-26 13:56	01:17:04	1961227	500	306	9	185	+237.58 +/- 24.86	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 992315849 \ -pgnout /tmp/ncm-dbt-20190726-0133-012.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.47+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90414	ncm-et-3	2019-07-26 13:48	01:16:48	1967385	500	307	10	183	+237.58 +/- 25.04	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2343271175 \ -pgnout /tmp/ncm-dbt-20190726-0133-011.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.40+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90413	ncm-et-9	2019-07-26 13:47	01:16:22	1967395	500	311	11	178	+240.82 +/- 25.45	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3130855528 \ -pgnout /tmp/ncm-dbt-20190726-0133-010.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.40+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90412	ncm-et-10	2019-07-26 13:46	01:16:50	1985795	500	314	8	178	+247.41 +/- 25.37	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1522293778 \ -pgnout /tmp/ncm-dbt-20190726-0133-009.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.17+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90411	ncm-et-15	2019-07-26 13:46	01:17:40	1969863	500	298	11	191	+227.04 +/- 24.48	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 379292359 \ -pgnout /tmp/ncm-dbt-20190726-0133-008.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.37+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90410	ncm-et-13	2019-07-26 13:42	01:16:45	1974206	500	300	6	194	+234.38 +/- 24.1	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1448947904 \ -pgnout /tmp/ncm-dbt-20190726-0133-007.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.31+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90409	ncm-et-4	2019-07-26 12:38	01:16:44	1975790	500	296	9	195	+227.04 +/- 24.13	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1404999009 \ -pgnout /tmp/ncm-dbt-20190726-0133-006.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.29+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90408	ncm-et-3	2019-07-26 12:29	01:17:24	1977120	500	288	11	201	+216.85 +/- 23.78	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1085703462 \ -pgnout /tmp/ncm-dbt-20190726-0133-005.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.28+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90407	ncm-et-9	2019-07-26 12:29	01:17:14	1969556	500	300	7	193	+233.32 +/- 24.21	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3786570652 \ -pgnout /tmp/ncm-dbt-20190726-0133-004.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.37+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90406	ncm-et-15	2019-07-26 12:29	01:16:27	1972970	500	299	10	191	+229.12 +/- 24.45	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1253467647 \ -pgnout /tmp/ncm-dbt-20190726-0133-003.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.33+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90405	ncm-et-10	2019-07-26 12:28	01:17:02	1960629	500	282	5	213	+216.85 +/- 22.77	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2753239426 \ -pgnout /tmp/ncm-dbt-20190726-0133-002.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.48+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish
90404	ncm-et-13	2019-07-26 12:24	01:16:44	1971408	500	300	8	192	+232.26 +/- 24.31	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1022908625 \ -pgnout /tmp/ncm-dbt-20190726-0133-001.pgn \ -openings \ file=/home/chess/www/releases/20190726040951/stockfish/books/8moves_v3.pgn \ format=pgn \ order=random \ plies=16 \ -repeat \ -resign \ movecount=3 \ score=400 \ -draw \ movenumber=34 \ movecount=8 \ score=20 \ -each \ tc=24.35+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20190726-0133 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20190726-0133-9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/stockfish/x86-64-modern/7/stockfish

Commit

Commit ID	9d3a2ecaa22cb55bddef0e932f2b2951cf6cacf5
Author	mstembera
Date	2019-07-26 01:33:32 UTC
Bug fix: always choose shortest mate in multithread mode In current master, with the voting scheme the best thread selection may pick a non mate or not the shortest mate thread. This patch fixes this bug. Formatting suggestion by Jörg Oster. Related past pull requests: https://github.com/official-stockfish/Stockfish/pull/1074 https://github.com/official-stockfish/Stockfish/pull/1215 Passed a [-4..0] verification test with 3 threads: LLR: 2.95 (-2.94,2.94) [-4.00,0.00] Total: 57158 W: 11374 L: 11424 D: 34360 http://tests.stockfishchess.org/tests/view/5d22deb30ebc5925cf0caefd Closes https://github.com/official-stockfish/Stockfish/pull/2226 No functional change (in single threaded mode) ---------------------------------------------------- Comment by Jörg Oster Just one sample output to demonstrate the effect of this patch. 5 Threads, 1 GB Hash +---+---+---+---+---+---+---+---+ \| r \| \| b \| \| \| r \| k \| \| +---+---+---+---+---+---+---+---+ \| \| \| \| n \| \| p \| b \| \| +---+---+---+---+---+---+---+---+ \| \| \| p \| \| p \| \| p \| \| +---+---+---+---+---+---+---+---+ \| p \| \| \| \| \| \| P \| \| +---+---+---+---+---+---+---+---+ \| P \| p \| \| \| B \| \| N \| Q \| +---+---+---+---+---+---+---+---+ \| \| q \| \| \| \| \| P \| \| +---+---+---+---+---+---+---+---+ \| \| \| R \| \| \| P \| \| \| +---+---+---+---+---+---+---+---+ \| \| \| \| R \| \| \| K \| \| +---+---+---+---+---+---+---+---+ Fen: r1b2rk1/3n1pb1/2p1p1p1/p5P1/Pp2B1NQ/1q4P1/2R2P2/3R2K1 w - - 8 34 Key: 38B4CA1067D4F477 Checkers: ucinewgame isready readyok go mate 17 searchmoves d1d7 info depth 65 seldepth 36 multipv 1 score mate 18 nodes 785875935 nps 8650448 hashfull 1000 tbhits 0 time 90848 pv d1d7 c8d7 g4f6 g7f6 g5f6 b3a3 g1g2 a3a1 h4g5 a1f6 g5f6 e6e5 c2c1 d7h3 g2h3 a8a6 h3g2 c6c5 f6a6 g8g7 c1c5 f7f6 a6e6 f8f7 c5c8 f6f5 e4d5 g7h6 e6f7 f5f4 f7e7 f4f3 d5f3 b4b3 c8h8 info depth 63 seldepth 36 multipv 1 score mate 17 nodes 785875935 nps 8650448 hashfull 1000 tbhits 0 time 90848 pv d1d7 c8d7 g4f6 g7f6 g5f6 b3a3 g1g2 a3a1 h4g5 a1f6 g5f6 e6e5 c2c1 d7h3 g2h3 a8a6 c1d1 b4b3 h3g2 c6c5 f6a6 g8g7 d1d7 g7g8 a6f6 b3b2 e4g6 b2b1q g6f7 f8f7 f6f7 g8h8 f7g7 bestmove d1d7 ponder c8d7