Dev Builds » 20260810-1310

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	06:43:34	583405	4000	1826 314 1860	+138.18 ± 4.34	0 16 494 1452 38	+327.94 ± 15.29
ncm-dbt-02	06:44:05	590999	4012	1796 290 1926	+137.12 ± 4.38	0 17 507 1441 41	+322.9 ± 15.09
ncm-dbt-03	06:43:56	575833	4000	1797 285 1918	+138.18 ± 4.48	0 22 492 1438 48	+324.17 ± 15.35
ncm-dbt-04	06:43:38	568443	4000	1826 301 1873	+139.5 ± 4.44	1 20 476 1459 44	+331.0 ± 15.61
ncm-dbt-05	06:44:35	605389	3988	1812 291 1885	+139.56 ± 4.42	0 16 489 1441 48	+329.25 ± 15.37
			20000	9057 1481 9462	+138.51 ± 1.97	1 91 2458 7231 219	+327.03 ± 6.85

Test Detail

ID	Host	Base NPS	Games	WLD	Standard Elo	Ptnml(0-2)	Gamepair Elo	PGN
482319	ncm-dbt-02	589668	12	6 2 4	+120.31 ± 75.55	0 0 2 4 0	+279.41 ± 548.26	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1486966821 \ -pgnout ncm-dbt-20260810-1310-041.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482318	ncm-dbt-05	623495	488	228 29 231	+150.42 ± 11.93	0 0 52 185 7	+369.39 ± 47.72	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3791932050 \ -pgnout ncm-dbt-20260810-1310-040.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482317	ncm-dbt-03	574500	500	218 28 254	+138.99 ± 12.09	0 1 63 181 5	+330.23 ± 43.2	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 272029073 \ -pgnout ncm-dbt-20260810-1310-039.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482316	ncm-dbt-04	567403	500	219 32 249	+136.56 ± 12.39	0 5 55 188 2	+330.23 ± 46.62	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2407528298 \ -pgnout ncm-dbt-20260810-1310-038.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482315	ncm-dbt-01	583572	500	235 42 223	+141.43 ± 11.77	0 0 62 183 5	+339.63 ± 43.41	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2297034284 \ -pgnout ncm-dbt-20260810-1310-037.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482314	ncm-dbt-02	593369	500	225 35 240	+138.99 ± 12.7	0 3 60 181 6	+327.18 ± 44.54	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 4218853749 \ -pgnout ncm-dbt-20260810-1310-036.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482313	ncm-dbt-05	602561	500	224 41 235	+133.34 ± 12.29	0 1 70 174 5	+309.64 ± 40.79	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 4125102745 \ -pgnout ncm-dbt-20260810-1310-035.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482312	ncm-dbt-03	572759	500	231 37 232	+142.25 ± 12.78	0 1 63 177 9	+330.23 ± 43.2	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1441144805 \ -pgnout ncm-dbt-20260810-1310-034.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482311	ncm-dbt-04	568713	500	233 37 230	+143.89 ± 13.31	1 4 49 190 6	+349.43 ± 49.46	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2674213549 \ -pgnout ncm-dbt-20260810-1310-033.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482310	ncm-dbt-01	580282	500	225 35 240	+138.99 ± 12.5	0 3 59 183 5	+330.23 ± 44.94	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1349076617 \ -pgnout ncm-dbt-20260810-1310-032.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482309	ncm-dbt-02	591685	500	228 31 241	+144.71 ± 12.05	0 2 54 189 5	+352.8 ± 47.05	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 170226767 \ -pgnout ncm-dbt-20260810-1310-031.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482308	ncm-dbt-05	601224	500	230 34 236	+143.89 ± 11.19	0 0 57 190 3	+356.21 ± 45.43	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1541719970 \ -pgnout ncm-dbt-20260810-1310-030.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482307	ncm-dbt-04	566730	500	233 42 225	+139.81 ± 12.67	0 3 59 182 6	+330.23 ± 44.94	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2015675560 \ -pgnout ncm-dbt-20260810-1310-029.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482306	ncm-dbt-03	575639	500	227 34 239	+141.44 ± 11.55	0 1 58 188 3	+346.12 ± 45.18	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 4127366570 \ -pgnout ncm-dbt-20260810-1310-028.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482305	ncm-dbt-01	581693	500	226 37 237	+138.18 ± 11.48	0 1 61 186 2	+336.46 ± 43.96	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3769059728 \ -pgnout ncm-dbt-20260810-1310-027.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482304	ncm-dbt-02	589967	500	222 32 246	+138.99 ± 12.5	0 2 62 180 6	+327.18 ± 43.69	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3059819865 \ -pgnout ncm-dbt-20260810-1310-026.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482303	ncm-dbt-05	602248	500	233 40 227	+141.44 ± 13.21	0 2 63 175 10	+324.17 ± 43.32	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 457123231 \ -pgnout ncm-dbt-20260810-1310-025.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482302	ncm-dbt-04	566060	500	223 27 250	+143.89 ± 10.96	0 0 56 192 2	+359.67 ± 45.87	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2974959616 \ -pgnout ncm-dbt-20260810-1310-024.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482301	ncm-dbt-03	573891	500	221 30 249	+139.81 ± 12.26	0 3 57 186 4	+336.46 ± 45.77	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2003017006 \ -pgnout ncm-dbt-20260810-1310-023.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482300	ncm-dbt-01	583028	500	221 42 237	+130.14 ± 12.78	0 4 67 175 4	+301.33 ± 42.04	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1631822816 \ -pgnout ncm-dbt-20260810-1310-022.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482299	ncm-dbt-02	590953	500	220 45 235	+126.97 ± 12.28	0 4 68 177 1	+298.62 ± 41.71	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3746065309 \ -pgnout ncm-dbt-20260810-1310-021.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482298	ncm-dbt-05	602471	500	229 44 227	+134.95 ± 13.96	0 5 65 170 10	+301.33 ± 42.75	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 4000368945 \ -pgnout ncm-dbt-20260810-1310-020.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482297	ncm-dbt-04	567958	500	232 41 227	+139.81 ± 13.45	0 6 54 183 7	+327.18 ± 47.0	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1614594096 \ -pgnout ncm-dbt-20260810-1310-019.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482296	ncm-dbt-03	574581	500	230 37 233	+141.44 ± 12.2	0 2 58 185 5	+339.63 ± 45.29	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2566846176 \ -pgnout ncm-dbt-20260810-1310-018.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482295	ncm-dbt-02	587707	500	220 36 244	+134.15 ± 12.27	0 1 69 175 5	+312.48 ± 41.11	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1329168320 \ -pgnout ncm-dbt-20260810-1310-017.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482294	ncm-dbt-01	582110	500	238 45 217	+141.44 ± 11.55	0 1 58 188 3	+346.12 ± 45.18	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3976645548 \ -pgnout ncm-dbt-20260810-1310-016.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482293	ncm-dbt-05	600957	500	220 35 245	+134.95 ± 12.64	0 5 58 184 3	+321.19 ± 45.36	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1399458199 \ -pgnout ncm-dbt-20260810-1310-015.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482292	ncm-dbt-04	564448	500	230 27 243	+149.68 ± 12.23	0 0 56 185 9	+359.67 ± 45.87	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1658086697 \ -pgnout ncm-dbt-20260810-1310-014.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482291	ncm-dbt-03	576987	500	238 35 227	+149.68 ± 13.67	0 4 51 183 12	+349.43 ± 48.52	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1090512213 \ -pgnout ncm-dbt-20260810-1310-013.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482290	ncm-dbt-01	583321	500	226 39 235	+136.56 ± 12.59	0 2 65 177 6	+318.25 ± 42.59	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3476351891 \ -pgnout ncm-dbt-20260810-1310-012.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482289	ncm-dbt-02	592331	500	228 43 229	+134.95 ± 11.83	0 1 66 180 3	+321.19 ± 42.12	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 608925599 \ -pgnout ncm-dbt-20260810-1310-011.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482288	ncm-dbt-04	570068	500	231 44 225	+136.56 ± 12.59	0 0 71 171 8	+312.47 ± 40.3	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 870043032 \ -pgnout ncm-dbt-20260810-1310-010.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482287	ncm-dbt-05	599495	500	223 27 250	+143.89 ± 12.09	0 1 58 185 6	+346.12 ± 45.18	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 382299661 \ -pgnout ncm-dbt-20260810-1310-009.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482286	ncm-dbt-02	587070	500	227 33 240	+142.25 ± 13.18	0 3 59 179 9	+330.23 ± 44.94	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3495612368 \ -pgnout ncm-dbt-20260810-1310-008.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482285	ncm-dbt-03	576496	500	222 41 237	+131.74 ± 12.54	0 2 70 173 5	+304.07 ± 40.91	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3838059268 \ -pgnout ncm-dbt-20260810-1310-007.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482284	ncm-dbt-01	583782	500	225 31 244	+142.25 ± 12.37	0 2 58 184 6	+339.63 ± 45.29	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 762741292 \ -pgnout ncm-dbt-20260810-1310-006.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482283	ncm-dbt-05	610662	500	225 41 234	+134.15 ± 12.27	0 2 66 178 4	+315.35 ± 42.24	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1837034113 \ -pgnout ncm-dbt-20260810-1310-005.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482282	ncm-dbt-04	576169	500	225 51 224	+126.17 ± 12.49	0 2 76 168 4	+288.06 ± 39.11	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 1668320660 \ -pgnout ncm-dbt-20260810-1310-004.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482281	ncm-dbt-03	581818	500	210 43 247	+120.67 ± 13.84	0 8 72 165 5	+268.17 ± 40.54	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 3849601714 \ -pgnout ncm-dbt-20260810-1310-003.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482280	ncm-dbt-02	596241	500	220 33 247	+136.56 ± 12.39	0 1 67 176 6	+318.25 ± 41.77	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 975057317 \ -pgnout ncm-dbt-20260810-1310-002.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15
482279	ncm-dbt-01	589454	500	230 43 227	+136.56 ± 12.98	0 3 64 176 7	+315.35 ± 43.03	↓
cutechess-cli \ -rounds 266 \ -games 2 \ -concurrency 16 \ -srand 2720752320 \ -pgnout ncm-dbt-20260810-1310-001.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=20260810-1310 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:5062aee519a1ba262d472d8ab139851ced56573e \ -engine \ name=sf15 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:15

Commit

Commit ID	5062aee519a1ba262d472d8ab139851ced56573e
Author	Adarsh Das
Date	2026-08-10 13:10:12 UTC
Place continuation history on large pages. Requires THP madvise or always. With THP never, MADV_HUGEPAGE is ignored and there is no benefit. ``` Result of 50 runs (nps) ================== speedup = +0.0176 paired t-test = t = 2.320, p = 0.0245 Result of 200 runs (nps) ================== speedup = +0.0104 paired t-test = t = 3.415, p = 0.0008 ``` STC passed: LLR: 3.42 (-2.94,2.94) <0.00,2.00> Total: 231360 W: 60152 L: 59553 D: 111655 https://tests.stockfishchess.org/tests/view/6a736a122cf557d58a2e1f51 Edit: Removed wrong test details Edit2: Added result for 200 runs closes https://github.com/official-stockfish/Stockfish/pull/7041 No functional change