Dev Builds » 20230806-2025

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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	10:00:14	1187433	3372	1416 304 1652	+119.02 +/- 5.32	0 49 513 1087 37	+262.01 +/- 15.05
ncm-dbt-02	09:49:12	1224515	3270	1420 290 1560	+125.22 +/- 5.46	0 44 465 1078 48	+276.55 +/- 15.81
ncm-dbt-03	09:56:06	1236630	3338	1430 272 1636	+125.75 +/- 5.31	0 35 491 1093 50	+277.85 +/- 15.37
ncm-dbt-04	09:58:14	1235109	3346	1429 279 1638	+124.48 +/- 5.3	0 41 484 1105 43	+276.49 +/- 15.49
ncm-dbt-05	09:52:12	1231997	3318	1411 286 1621	+122.65 +/- 5.46	0 41 507 1056 55	+266.36 +/- 15.13
ncm-dbt-06	09:57:59	1226439	3356	1411 282 1663	+121.62 +/- 5.22	0 44 493 1109 32	+271.63 +/- 15.35
			20000	8517 1713 9770	+123.1 +/- 2.18	0 254 2953 6528 265	+271.72 +/- 6.26

Test Detail

ID	Host	Base NPS	Games	WLD	Standard Elo	Ptnml(0-2)	Gamepair Elo	PGN
198939	ncm-dbt-02	1205442	270	118 25 127	+124.77 +/- 18.33	0 2 42 87 4	+275.0 +/- 53.21	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2871643163 \ -pgnout ncm-dbt-20230806-2025-042.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198938	ncm-dbt-05	1223755	318	135 26 157	+124.11 +/- 17.9	0 5 45 104 5	+271.84 +/- 51.61	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2354091160 \ -pgnout ncm-dbt-20230806-2025-041.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198937	ncm-dbt-03	1245817	338	150 32 156	+126.61 +/- 18.03	0 4 52 104 9	+266.36 +/- 47.82	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2172333957 \ -pgnout ncm-dbt-20230806-2025-040.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198936	ncm-dbt-04	1220308	346	139 32 175	+111.08 +/- 16.99	0 7 55 108 3	+241.45 +/- 46.48	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2344291557 \ -pgnout ncm-dbt-20230806-2025-039.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198935	ncm-dbt-06	1234739	356	144 25 187	+120.78 +/- 14.53	0 1 59 116 2	+273.8 +/- 44.25	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3885580123 \ -pgnout ncm-dbt-20230806-2025-038.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198934	ncm-dbt-01	1202882	372	148 32 192	+112.07 +/- 15.68	0 6 60 118 2	+247.92 +/- 44.44	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 544865362 \ -pgnout ncm-dbt-20230806-2025-037.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198933	ncm-dbt-02	1223831	500	221 37 242	+134.15 +/- 13.97	0 6 63 172 9	+301.33 +/- 43.45	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 1147172413 \ -pgnout ncm-dbt-20230806-2025-036.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198932	ncm-dbt-05	1242417	500	213 52 235	+116.0 +/- 14.37	0 8 81 153 8	+247.41 +/- 38.13	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 1777881928 \ -pgnout ncm-dbt-20230806-2025-035.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198931	ncm-dbt-03	1230636	500	214 44 242	+123.02 +/- 13.65	0 6 74 164 6	+273.0 +/- 39.95	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 1750746058 \ -pgnout ncm-dbt-20230806-2025-034.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198930	ncm-dbt-04	1215448	500	210 34 256	+127.76 +/- 12.45	0 2 74 170 4	+293.29 +/- 39.69	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 679844644 \ -pgnout ncm-dbt-20230806-2025-033.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198929	ncm-dbt-06	1230489	500	206 44 250	+116.77 +/- 14.53	0 9 78 155 8	+249.64 +/- 38.9	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2895314725 \ -pgnout ncm-dbt-20230806-2025-032.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198928	ncm-dbt-01	1193158	500	209 50 241	+114.45 +/- 13.55	0 6 84 155 5	+249.64 +/- 37.33	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3095797566 \ -pgnout ncm-dbt-20230806-2025-031.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198927	ncm-dbt-02	1234862	500	216 46 238	+123.02 +/- 14.65	0 8 74 158 10	+263.42 +/- 39.97	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2704618277 \ -pgnout ncm-dbt-20230806-2025-030.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198926	ncm-dbt-05	1243694	500	220 44 236	+127.76 +/- 13.75	0 2 81 156 11	+275.45 +/- 37.75	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 592525768 \ -pgnout ncm-dbt-20230806-2025-029.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198925	ncm-dbt-03	1243783	500	219 40 241	+130.14 +/- 13.88	0 3 76 160 11	+282.94 +/- 39.21	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 4294413720 \ -pgnout ncm-dbt-20230806-2025-028.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198924	ncm-dbt-04	1230263	500	219 39 242	+130.94 +/- 13.87	0 5 69 167 9	+290.66 +/- 41.43	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3339471808 \ -pgnout ncm-dbt-20230806-2025-027.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198923	ncm-dbt-06	1234275	500	209 44 247	+119.11 +/- 13.17	0 6 76 165 3	+268.17 +/- 39.39	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 4288647170 \ -pgnout ncm-dbt-20230806-2025-026.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198922	ncm-dbt-01	1150987	500	213 46 241	+120.67 +/- 13.15	0 5 77 164 4	+270.57 +/- 39.07	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 1594413697 \ -pgnout ncm-dbt-20230806-2025-025.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198921	ncm-dbt-02	1231796	500	219 44 237	+126.97 +/- 13.04	0 5 69 172 4	+290.66 +/- 41.43	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 1941644745 \ -pgnout ncm-dbt-20230806-2025-024.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198920	ncm-dbt-05	1231792	500	205 44 251	+116.0 +/- 14.21	0 7 83 152 8	+247.41 +/- 37.61	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 520824760 \ -pgnout ncm-dbt-20230806-2025-023.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198919	ncm-dbt-03	1237237	500	207 34 259	+125.38 +/- 13.79	0 6 72 165 7	+277.93 +/- 40.53	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3583541868 \ -pgnout ncm-dbt-20230806-2025-022.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198918	ncm-dbt-04	1252907	500	212 43 245	+122.24 +/- 14.5	0 9 71 162 8	+265.78 +/- 40.81	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3260100306 \ -pgnout ncm-dbt-20230806-2025-021.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198917	ncm-dbt-06	1230299	500	209 38 253	+123.81 +/- 13.63	0 9 64 174 3	+282.94 +/- 42.98	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3672045275 \ -pgnout ncm-dbt-20230806-2025-020.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198916	ncm-dbt-01	1173049	500	224 44 232	+130.94 +/- 14.39	0 5 72 161 12	+282.94 +/- 40.5	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 205038191 \ -pgnout ncm-dbt-20230806-2025-019.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198915	ncm-dbt-02	1239701	500	210 49 241	+116.0 +/- 14.69	0 11 74 158 7	+249.64 +/- 39.91	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2937519644 \ -pgnout ncm-dbt-20230806-2025-018.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198914	ncm-dbt-05	1240388	500	211 34 255	+128.55 +/- 14.08	0 7 67 168 8	+285.49 +/- 42.08	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2192242405 \ -pgnout ncm-dbt-20230806-2025-017.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198913	ncm-dbt-03	1236467	500	206 39 255	+120.67 +/- 13.67	0 8 71 167 4	+270.57 +/- 40.83	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 539026451 \ -pgnout ncm-dbt-20230806-2025-016.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198912	ncm-dbt-04	1262368	500	224 46 230	+129.35 +/- 13.9	0 8 62 174 6	+293.29 +/- 43.72	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3824932335 \ -pgnout ncm-dbt-20230806-2025-015.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198911	ncm-dbt-06	1206210	500	215 32 253	+133.34 +/- 13.26	0 4 66 173 7	+304.07 +/- 42.38	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2306279198 \ -pgnout ncm-dbt-20230806-2025-014.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198910	ncm-dbt-01	1170091	500	210 46 244	+118.33 +/- 14.52	0 10 73 160 7	+256.44 +/- 40.21	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2411824958 \ -pgnout ncm-dbt-20230806-2025-013.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198909	ncm-dbt-02	1188217	500	222 38 240	+134.15 +/- 13.61	0 4 67 170 9	+301.33 +/- 42.04	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 1564576359 \ -pgnout ncm-dbt-20230806-2025-012.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198908	ncm-dbt-05	1213542	500	209 39 252	+123.02 +/- 14.33	0 8 72 162 8	+268.17 +/- 40.54	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 305186492 \ -pgnout ncm-dbt-20230806-2025-011.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198907	ncm-dbt-03	1232962	500	209 48 243	+116.0 +/- 13.71	0 5 86 152 7	+249.64 +/- 36.79	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2153796559 \ -pgnout ncm-dbt-20230806-2025-010.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198906	ncm-dbt-04	1232046	500	217 41 242	+127.76 +/- 13.57	0 5 71 167 7	+285.49 +/- 40.81	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 4182105013 \ -pgnout ncm-dbt-20230806-2025-009.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198905	ncm-dbt-06	1216173	500	216 42 242	+126.17 +/- 13.77	0 7 68 169 6	+282.94 +/- 41.76	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 686344594 \ -pgnout ncm-dbt-20230806-2025-008.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198904	ncm-dbt-01	1199452	500	207 54 239	+109.83 +/- 14.06	0 10 81 155 4	+238.66 +/- 38.15	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3322186984 \ -pgnout ncm-dbt-20230806-2025-007.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198903	ncm-dbt-02	1247759	500	214 51 235	+117.55 +/- 13.87	0 8 76 161 5	+258.75 +/- 39.42	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3755889134 \ -pgnout ncm-dbt-20230806-2025-006.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198902	ncm-dbt-05	1228393	500	218 47 235	+123.81 +/- 13.46	0 4 78 161 7	+273.0 +/- 38.74	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3293989399 \ -pgnout ncm-dbt-20230806-2025-005.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198901	ncm-dbt-03	1229514	500	225 35 240	+138.99 +/- 12.7	0 3 60 181 6	+327.18 +/- 44.54	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2951364857 \ -pgnout ncm-dbt-20230806-2025-004.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198900	ncm-dbt-06	1232889	500	212 57 231	+111.37 +/- 13.56	0 8 82 157 3	+245.2 +/- 37.88	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 2885365889 \ -pgnout ncm-dbt-20230806-2025-003.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198899	ncm-dbt-04	1232424	500	208 44 248	+118.33 +/- 13.52	0 5 82 157 6	+258.75 +/- 37.76	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3694873753 \ -pgnout ncm-dbt-20230806-2025-002.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14
198898	ncm-dbt-01	1222414	500	205 32 263	+125.38 +/- 13.25	0 7 66 174 3	+288.06 +/- 42.4	↓
cutechess-cli \ -rounds 259 \ -games 2 \ -concurrency 9 \ -srand 3061760613 \ -pgnout ncm-dbt-20230806-2025-001.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=64 \ option.Threads=2 \ -engine \ name=20230806-2025 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=dev_build:a26f8d37e108c103ada129e619a17597c7e50046 \ -engine \ name=sf14 \ cmd=docker \ arg=run \ arg=-i \ arg=--rm \ arg=--entrypoint=/engine \ arg=stockfish:14

Commit

Commit ID	a26f8d37e108c103ada129e619a17597c7e50046
Author	FauziAkram
Date	2023-08-06 20:25:58 UTC
Tweak formula for pruning moves losing material Simplify the "Prune moves with negative SEE" formula, by removing one multiplication and subtraction operation. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 214272 W: 54596 L: 54572 D: 105104 Ptnml(0-2): 741, 25160, 55320, 25164, 751 https://tests.stockfishchess.org/tests/view/64c430d1dc56e1650abbdbf6 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 238380 W: 60600 L: 60601 D: 117179 Ptnml(0-2): 132, 26069, 66791, 26064, 134 https://tests.stockfishchess.org/tests/view/64c81f155b17f7c21c0cee2b closes https://github.com/official-stockfish/Stockfish/pull/4721 bench: 1655337