Dev Builds » 20121021-0950

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	08:15:20	1994332	3478	50	2442	986	-293.12 +/- 10.82
ncm-et-4	08:15:18	1994060	3508	58	2500	950	-298.7 +/- 11.04
ncm-et-9	08:14:54	1991756	3493	66	2427	1000	-285.44 +/- 10.76
ncm-et-10	06:08:03	1982047	2578	47	1846	685	-299.86 +/- 13.02
ncm-et-13	08:14:49	1997980	3476	55	2433	988	-290.74 +/- 10.82
ncm-et-15	08:15:26	1988544	3467	51	2451	965	-296.1 +/- 10.94
			20000	327	14099	5574	-293.68 +/- 4.55

Test Detail

ID	Host	Started (UTC)	Duration	Base NPS	Games	Wins	Losses	Draws	Elo	PGN
116054	ncm-et-15	2020-02-16 00:26	00:22:13	1959849	151	2	106	43	-293.78 +/- 52.7	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1248018967 \ -pgnout /tmp/ncm-dbt-20121021-0950-046.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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=24.49+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116053	ncm-et-10	2020-02-16 00:25	00:23:45	1961089	166	0	125	41	-340.44 +/- 53.78	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3565517684 \ -pgnout /tmp/ncm-dbt-20121021-0950-045.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116052	ncm-et-3	2020-02-16 00:24	00:24:08	1961076	172	2	126	44	-316.02 +/- 52.21	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2469442021 \ -pgnout /tmp/ncm-dbt-20121021-0950-044.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116051	ncm-et-13	2020-02-16 00:24	00:23:48	1968008	163	2	113	48	-288.7 +/- 49.71	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3404004841 \ -pgnout /tmp/ncm-dbt-20121021-0950-043.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116050	ncm-et-9	2020-02-16 00:24	00:24:37	1963995	170	2	123	45	-309.48 +/- 51.56	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1517446182 \ -pgnout /tmp/ncm-dbt-20121021-0950-042.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116049	ncm-et-4	2020-02-16 00:22	00:26:06	1960928	178	4	127	47	-295.28 +/- 50.51	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3919182591 \ -pgnout /tmp/ncm-dbt-20121021-0950-041.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116048	ncm-et-15	2020-02-15 23:15	01:10:23	1970481	500	7	357	136	-301.33 +/- 29.3	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 310372190 \ -pgnout /tmp/ncm-dbt-20121021-0950-040.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116047	ncm-et-9	2020-02-15 23:12	01:10:50	1972965	500	11	358	131	-297.28 +/- 29.93	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2803260163 \ -pgnout /tmp/ncm-dbt-20121021-0950-039.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116046	ncm-et-3	2020-02-15 23:11	01:12:08	1964301	500	7	345	148	-285.49 +/- 28.02	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2253967329 \ -pgnout /tmp/ncm-dbt-20121021-0950-038.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116045	ncm-et-13	2020-02-15 23:11	01:12:26	1976851	500	5	353	142	-298.62 +/- 28.58	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 940592909 \ -pgnout /tmp/ncm-dbt-20121021-0950-037.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116044	ncm-et-10	2020-02-15 23:11	01:13:01	1963081	500	11	357	132	-295.94 +/- 29.81	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1170116896 \ -pgnout /tmp/ncm-dbt-20121021-0950-036.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116043	ncm-et-4	2020-02-15 23:10	01:10:47	1965380	500	12	352	136	-288.06 +/- 29.36	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1935974964 \ -pgnout /tmp/ncm-dbt-20121021-0950-035.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116042	ncm-et-15	2020-02-15 22:00	01:14:10	1969705	500	4	356	140	-304.07 +/- 28.76	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 69794531 \ -pgnout /tmp/ncm-dbt-20121021-0950-034.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116041	ncm-et-4	2020-02-15 21:59	01:10:05	1965096	500	6	363	131	-311.06 +/- 29.86	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 4157318876 \ -pgnout /tmp/ncm-dbt-20121021-0950-033.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116040	ncm-et-13	2020-02-15 21:59	01:10:48	1964301	500	3	352	145	-299.97 +/- 28.18	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1947430495 \ -pgnout /tmp/ncm-dbt-20121021-0950-032.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116039	ncm-et-9	2020-02-15 21:59	01:11:56	1972183	500	9	335	156	-270.57 +/- 27.29	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 4279513697 \ -pgnout /tmp/ncm-dbt-20121021-0950-031.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116038	ncm-et-3	2020-02-15 21:59	01:11:31	1963227	500	7	357	136	-301.33 +/- 29.3	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3344101830 \ -pgnout /tmp/ncm-dbt-20121021-0950-030.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116037	ncm-et-10	2020-02-15 21:58	01:11:16	1961749	500	8	364	128	-309.64 +/- 30.26	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2098327526 \ -pgnout /tmp/ncm-dbt-20121021-0950-029.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116036	ncm-et-9	2020-02-15 20:46	01:11:32	1968174	500	16	337	147	-264.6 +/- 28.22	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 4147661655 \ -pgnout /tmp/ncm-dbt-20121021-0950-028.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116035	ncm-et-3	2020-02-15 20:46	01:11:26	1965073	500	7	351	142	-293.29 +/- 28.64	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1499783125 \ -pgnout /tmp/ncm-dbt-20121021-0950-027.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116034	ncm-et-10	2020-02-15 20:46	01:11:14	1963379	500	10	353	137	-291.97 +/- 29.24	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 160886764 \ -pgnout /tmp/ncm-dbt-20121021-0950-026.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116033	ncm-et-4	2020-02-15 20:46	01:12:14	1963536	500	8	352	140	-293.29 +/- 28.88	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2423142711 \ -pgnout /tmp/ncm-dbt-20121021-0950-025.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116032	ncm-et-13	2020-02-15 20:46	01:11:50	1974518	500	12	353	135	-289.36 +/- 29.47	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 163920312 \ -pgnout /tmp/ncm-dbt-20121021-0950-024.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
116031	ncm-et-15	2020-02-15 20:46	01:12:31	1965997	500	8	331	161	-266.97 +/- 26.8	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2078444787 \ -pgnout /tmp/ncm-dbt-20121021-0950-023.pgn \ -openings \ file=/home/chess/www/releases/20200207151128/engines/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-20121021-0950 \ cmd=/home/chess/engines/e5_2670/devbuild/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/engines/e5_2670/stockfish/7/stockfish
43726	ncm-et-3	2018-06-28 04:39	00:43:51	2028194	306	4	203	99	-269.56 +/- 34.22	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2977692878 \ -pgnout /tmp/ncm-dbt-20121021-0950-022.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.67+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43725	ncm-et-15	2018-06-28 04:38	00:44:37	2016285	316	5	232	79	-314.16 +/- 38.69	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2957689383 \ -pgnout /tmp/ncm-dbt-20121021-0950-021.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.81+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43724	ncm-et-13	2018-06-28 04:38	00:44:43	2024754	313	9	216	88	-276.28 +/- 36.61	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 566699220 \ -pgnout /tmp/ncm-dbt-20121021-0950-020.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43723	ncm-et-4	2018-06-28 04:37	00:45:20	2024263	330	7	246	77	-318.43 +/- 39.22	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1294308799 \ -pgnout /tmp/ncm-dbt-20121021-0950-019.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43722	ncm-et-9	2018-06-28 04:37	00:46:05	2026063	323	9	226	88	-282.84 +/- 36.61	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3810874566 \ -pgnout /tmp/ncm-dbt-20121021-0950-018.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.69+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43721	ncm-et-10	2018-06-28 04:24	00:58:30	2022311	412	9	289	114	-287.81 +/- 32.09	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1933790228 \ -pgnout /tmp/ncm-dbt-20121021-0950-017.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.74+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43720	ncm-et-13	2018-06-28 03:28	01:09:04	2025572	500	5	358	137	-305.45 +/- 29.13	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2802102446 \ -pgnout /tmp/ncm-dbt-20121021-0950-016.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.70+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43719	ncm-et-15	2018-06-28 03:28	01:09:18	2020354	500	9	345	146	-282.94 +/- 28.27	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 749719624 \ -pgnout /tmp/ncm-dbt-20121021-0950-015.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.76+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43718	ncm-et-3	2018-06-28 03:26	01:11:12	2024590	500	8	350	142	-290.66 +/- 28.66	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 533901320 \ -pgnout /tmp/ncm-dbt-20121021-0950-014.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43717	ncm-et-9	2018-06-28 03:26	01:09:10	2024428	500	5	353	142	-298.62 +/- 28.58	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3667695148 \ -pgnout /tmp/ncm-dbt-20121021-0950-013.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43716	ncm-et-4	2018-06-28 03:25	01:10:56	2024755	500	7	354	139	-297.28 +/- 28.97	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3904675379 \ -pgnout /tmp/ncm-dbt-20121021-0950-012.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43715	ncm-et-10	2018-06-28 03:13	01:10:17	2020673	500	9	358	133	-299.97 +/- 29.68	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2743152243 \ -pgnout /tmp/ncm-dbt-20121021-0950-011.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.75+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43714	ncm-et-13	2018-06-28 02:17	01:09:52	2022957	500	8	350	142	-290.66 +/- 28.66	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 1387966036 \ -pgnout /tmp/ncm-dbt-20121021-0950-010.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.73+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43713	ncm-et-15	2018-06-28 02:16	01:10:41	2018558	500	7	360	133	-305.45 +/- 29.65	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2708385707 \ -pgnout /tmp/ncm-dbt-20121021-0950-009.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.78+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43712	ncm-et-4	2018-06-28 02:15	01:09:29	2024427	500	10	352	138	-290.66 +/- 29.13	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 362145047 \ -pgnout /tmp/ncm-dbt-20121021-0950-008.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43711	ncm-et-3	2018-06-28 02:14	01:11:05	2024754	500	10	357	133	-297.28 +/- 29.69	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2662944826 \ -pgnout /tmp/ncm-dbt-20121021-0950-007.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43710	ncm-et-9	2018-06-28 02:13	01:11:57	1980506	500	8	350	142	-290.66 +/- 28.66	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 3856885192 \ -pgnout /tmp/ncm-dbt-20121021-0950-006.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=24.24+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43709	ncm-et-9	2018-06-28 01:03	01:08:47	2025735	500	6	345	149	-286.77 +/- 27.89	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2702867489 \ -pgnout /tmp/ncm-dbt-20121021-0950-005.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.70+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43708	ncm-et-13	2018-06-28 01:03	01:12:18	2026883	500	11	338	151	-271.78 +/- 27.8	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 410876332 \ -pgnout /tmp/ncm-dbt-20121021-0950-004.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.68+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43707	ncm-et-4	2018-06-28 01:03	01:10:21	2024100	500	4	354	142	-301.33 +/- 28.54	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 831428872 \ -pgnout /tmp/ncm-dbt-20121021-0950-003.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.71+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43706	ncm-et-15	2018-06-28 01:03	01:11:33	1987127	500	9	364	127	-308.24 +/- 30.4	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 470396846 \ -pgnout /tmp/ncm-dbt-20121021-0950-002.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=24.16+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish
43705	ncm-et-3	2018-06-28 01:03	01:09:59	2023445	500	5	353	142	-298.62 +/- 28.58	↓
/home/chess/cutechess/projects/cli/cutechess-cli \ -games 500 \ -concurrency 8 \ -srand 2175473110 \ -pgnout /tmp/ncm-dbt-20121021-0950-001.pgn \ -openings \ file=/home/chess/www/releases/20180622021642/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=23.72+0.24 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=2 \ -engine \ name=sf-20121021-0950 \ cmd=/home/chess/devbuilds/bin/x86-64-modern/20121021-0950-e40b06a0503b44bae5508a371d961914828214b6/stockfish \ -engine \ name=sf7 \ cmd=/home/chess/stockfish/7/bin/stockfish

Commit

Commit ID	e40b06a0503b44bae5508a371d961914828214b6
Author	Marco Costalba
Date	2012-10-21 09:50:56 UTC
Change NO_PIECE value and shrink PieceValue[] This requires changing color_of() definition. No functional change.