Dev Builds » 20261025-2012

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host	Duration	Avg Base NPS	Games	WLD	Standard Elo	Ptnml(0-2)	Gamepair Elo
ncm-dbt-01	07:34:01	586963	4036	1845 262 1929	+143.98 ± 4.11	0 6 459 1517 36	+351.62 ± 15.84
ncm-dbt-02	07:34:37	592206	4004	1850 237 1917	+148.37 ± 4.3	0 16 409 1525 52	+362.95 ± 16.86
ncm-dbt-03	07:33:45	586824	4016	1863 262 1891	+146.63 ± 4.31	0 15 428 1514 51	+356.14 ± 16.47
ncm-dbt-04	06:42:58	571212	4000	1844 287 1869	+142.77 ± 4.38	0 13 470 1464 53	+339.63 ± 15.68
ncm-dbt-05	06:44:16	613542	3944	1800 246 1898	+144.72 ± 4.28	0 14 431 1486 41	+352.16 ± 16.4
			20000	9202 1294 9504	+145.29 ± 1.91	0 64 2197 7506 233	+352.37 ± 7.25

Test Detail

ID	Host	Base NPS	Games	WLD	Standard Elo	Ptnml(0-2)	Gamepair Elo	PGN
487255	ncm-dbt-02	593109	4	2 1 1	+88.51 ± 137.63	0 0 1 1 0	+190.5 ± 1034.3	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 750822591 \ -pgnout ncm-dbt-20261025-2012-043.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487254	ncm-dbt-03	587325	16	7 1 8	+136.89 ± 61.78	0 0 2 6 0	+337.87 ± 915.92	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2015770627 \ -pgnout ncm-dbt-20261025-2012-042.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487253	ncm-dbt-01	586604	36	17 1 18	+165.95 ± 31.68	0 0 2 16 0	+492.01 ± 833.55	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2618352219 \ -pgnout ncm-dbt-20261025-2012-041.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487252	ncm-dbt-05	603859	444	196 29 219	+137.42 ± 12.04	0 1 54 166 1	+336.26 ± 46.83	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 220158828 \ -pgnout ncm-dbt-20261025-2012-040.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487251	ncm-dbt-04	566454	500	235 34 231	+148.02 ± 12.1	0 2 51 191 6	+363.2 ± 48.51	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 853909579 \ -pgnout ncm-dbt-20261025-2012-039.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487250	ncm-dbt-03	588686	500	240 27 233	+158.08 ± 12.18	0 3 39 200 8	+401.92 ± 55.87	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1089859045 \ -pgnout ncm-dbt-20261025-2012-038.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487249	ncm-dbt-02	593672	500	232 30 238	+148.84 ± 12.05	0 0 56 186 8	+359.67 ± 45.87	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2422749248 \ -pgnout ncm-dbt-20261025-2012-037.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487248	ncm-dbt-01	585632	500	240 32 228	+153.86 ± 10.54	0 0 45 202 3	+401.91 ± 51.63	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 654185180 \ -pgnout ncm-dbt-20261025-2012-036.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487247	ncm-dbt-05	606788	500	242 31 227	+156.39 ± 13.15	0 1 51 184 14	+370.41 ± 48.42	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 94930265 \ -pgnout ncm-dbt-20261025-2012-035.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487246	ncm-dbt-04	570949	500	233 39 228	+142.25 ± 12.98	0 2 61 178 9	+330.23 ± 44.08	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 874036854 \ -pgnout ncm-dbt-20261025-2012-034.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487245	ncm-dbt-02	593412	500	237 27 236	+155.54 ± 12.34	0 1 48 191 10	+381.7 ± 50.02	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 3525964279 \ -pgnout ncm-dbt-20261025-2012-033.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487244	ncm-dbt-03	585928	500	236 26 238	+155.54 ± 11.89	0 0 49 192 9	+385.59 ± 49.31	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1215820642 \ -pgnout ncm-dbt-20261025-2012-032.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487243	ncm-dbt-01	589582	500	239 31 230	+153.86 ± 11.53	0 0 49 194 7	+385.59 ± 49.31	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 330325201 \ -pgnout ncm-dbt-20261025-2012-031.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487242	ncm-dbt-05	602605	500	225 38 237	+136.56 ± 12.59	0 2 65 177 6	+318.25 ± 42.59	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 4066869975 \ -pgnout ncm-dbt-20261025-2012-030.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487241	ncm-dbt-04	571994	500	228 38 234	+138.99 ± 11.88	0 1 62 183 4	+333.32 ± 43.57	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1044663906 \ -pgnout ncm-dbt-20261025-2012-029.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487240	ncm-dbt-02	594236	500	228 31 241	+144.71 ± 13.08	0 3 56 182 9	+339.63 ± 46.2	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1257083478 \ -pgnout ncm-dbt-20261025-2012-028.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487239	ncm-dbt-03	586181	500	225 34 241	+139.81 ± 12.05	0 2 59 185 4	+336.46 ± 44.87	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2803008700 \ -pgnout ncm-dbt-20261025-2012-027.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487238	ncm-dbt-01	586223	500	230 35 235	+143.07 ± 11.24	0 0 58 189 3	+352.79 ± 45.01	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 677277882 \ -pgnout ncm-dbt-20261025-2012-026.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487237	ncm-dbt-05	609426	500	226 28 246	+145.54 ± 11.79	0 3 49 195 3	+363.2 ± 49.57	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 396541816 \ -pgnout ncm-dbt-20261025-2012-025.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487236	ncm-dbt-04	571511	500	227 29 244	+145.54 ± 12.43	0 3 52 189 6	+352.8 ± 48.05	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 282765747 \ -pgnout ncm-dbt-20261025-2012-024.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487235	ncm-dbt-02	592418	500	236 26 238	+155.54 ± 11.42	0 0 47 196 7	+393.59 ± 50.43	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1301717067 \ -pgnout ncm-dbt-20261025-2012-023.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487234	ncm-dbt-03	586308	500	228 34 238	+142.25 ± 11.73	0 1 58 187 4	+346.12 ± 45.18	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 674566450 \ -pgnout ncm-dbt-20261025-2012-022.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487233	ncm-dbt-01	587028	500	217 29 254	+137.37 ± 11.29	0 0 64 184 2	+333.32 ± 42.66	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1341598272 \ -pgnout ncm-dbt-20261025-2012-021.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487232	ncm-dbt-05	670439	500	230 29 241	+148.02 ± 11.65	0 2 49 195 4	+370.41 ± 49.56	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 3262403624 \ -pgnout ncm-dbt-20261025-2012-020.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487231	ncm-dbt-04	570188	500	222 33 245	+138.18 ± 12.12	0 0 67 177 6	+324.16 ± 41.61	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 4065784921 \ -pgnout ncm-dbt-20261025-2012-019.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487230	ncm-dbt-02	591555	500	224 22 254	+148.85 ± 11.37	0 2 47 198 3	+377.87 ± 50.67	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 3916140962 \ -pgnout ncm-dbt-20261025-2012-018.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487229	ncm-dbt-03	585590	500	232 34 234	+145.54 ± 13.45	0 4 54 182 10	+339.63 ± 47.1	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1061246877 \ -pgnout ncm-dbt-20261025-2012-017.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487228	ncm-dbt-01	586266	500	232 29 239	+149.68 ± 11.56	0 1 50 194 5	+374.11 ± 48.94	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1722687774 \ -pgnout ncm-dbt-20261025-2012-016.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487227	ncm-dbt-05	605839	500	221 25 254	+143.89 ± 11.42	0 1 55 191 3	+356.21 ± 46.49	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 3900994536 \ -pgnout ncm-dbt-20261025-2012-015.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487226	ncm-dbt-04	573123	500	241 38 221	+149.68 ± 13.67	0 4 51 183 12	+349.43 ± 48.52	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 783886579 \ -pgnout ncm-dbt-20261025-2012-014.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487225	ncm-dbt-02	590053	500	232 35 233	+144.71 ± 12.05	0 2 54 189 5	+352.8 ± 47.05	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 3465162735 \ -pgnout ncm-dbt-20261025-2012-013.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487224	ncm-dbt-03	584201	500	233 48 219	+134.95 ± 12.84	0 3 65 176 6	+312.48 ± 42.67	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 556204760 \ -pgnout ncm-dbt-20261025-2012-012.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487223	ncm-dbt-01	586350	500	219 32 249	+136.56 ± 12.79	0 3 63 178 6	+318.25 ± 43.39	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2889346281 \ -pgnout ncm-dbt-20261025-2012-011.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487222	ncm-dbt-05	603366	500	233 33 234	+147.19 ± 11.92	0 0 57 186 7	+356.21 ± 45.43	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 340618882 \ -pgnout ncm-dbt-20261025-2012-010.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487221	ncm-dbt-04	572034	500	230 43 227	+136.56 ± 12.79	0 0 72 169 9	+309.64 ± 40.0	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 636203455 \ -pgnout ncm-dbt-20261025-2012-009.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487220	ncm-dbt-03	588643	500	229 26 245	+149.68 ± 11.09	0 0 51 195 4	+377.86 ± 48.25	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 662595034 \ -pgnout ncm-dbt-20261025-2012-008.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487219	ncm-dbt-02	588856	500	227 32 241	+143.07 ± 12.12	0 4 50 193 3	+352.8 ± 49.02	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 486351988 \ -pgnout ncm-dbt-20261025-2012-007.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487218	ncm-dbt-01	586858	500	231 39 230	+140.62 ± 12.23	0 0 65 178 7	+330.23 ± 42.3	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 881729315 \ -pgnout ncm-dbt-20261025-2012-006.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487217	ncm-dbt-05	606019	500	227 33 240	+142.25 ± 12.16	0 4 51 192 3	+349.43 ± 48.52	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2592643153 \ -pgnout ncm-dbt-20261025-2012-005.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487216	ncm-dbt-04	573446	500	228 33 239	+143.07 ± 11.01	0 1 54 194 1	+359.68 ± 46.95	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 2848297587 \ -pgnout ncm-dbt-20261025-2012-004.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487215	ncm-dbt-03	588558	500	233 32 235	+148.02 ± 12.1	0 2 51 191 6	+363.2 ± 48.51	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 614275820 \ -pgnout ncm-dbt-20261025-2012-003.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487214	ncm-dbt-02	592547	500	232 33 235	+146.36 ± 12.81	0 4 50 189 7	+352.8 ± 49.02	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 1063054404 \ -pgnout ncm-dbt-20261025-2012-002.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
487213	ncm-dbt-01	588132	500	220 34 246	+135.76 ± 12.01	0 2 63 182 3	+324.17 ± 43.32	↓
cutechess-cli \ -rounds 250 \ -games 2 \ -concurrency 16 \ -srand 3737106039 \ -pgnout ncm-dbt-20261025-2012-001.pgn \ -openings \ file=UHO_4060_v2.epd \ format=epd \ order=random \ -repeat \ -resign \ movecount=3 \ score=600 \ -draw \ movenumber=34 \ movecount=8 \ score=5 \ -each \ tc=30+0.3 \ timemargin=10000 \ proto=uci \ option.Hash=128 \ option.Threads=8 \ -engine \ name=20261025-2012 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15

Commit

Commit ID	7347cc2f4e7ec1262f4ee2e4cc164ceacf7326be
Author	mike-vel
Date	2026-10-25 20:12:46 UTC
Simplify the optimism evaluation It simplifies optimism evaluation and improves precision. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/6ada618b733e627f7058d2a9 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 40672 W: 10411 L: 10202 D: 20059 Ptnml(0-2): 37, 4746, 10580, 4917, 56 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/6adb76af733e627f7058d394 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 63192 W: 16397 L: 16224 D: 30571 Ptnml(0-2): 14, 6583, 18224, 6766, 9 closes https://github.com/official-stockfish/Stockfish/pull/7258 Bench: 2719250