Dev Builds » 20200925-1544

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 06:41:35 581699 4000 203 1891 1906 -156.39 ± 4.44 83 1536 368 12 1 -384.61 ± 17.78
ncm-dbt-02 06:42:50 586516 4000 179 1869 1952 -156.6 ± 4.36 75 1555 355 15 0 -389.06 ± 18.12
ncm-dbt-03 06:42:12 585872 4000 217 1879 1904 -153.65 ± 4.44 65 1559 349 27 0 -380.25 ± 18.26
ncm-dbt-04 06:42:28 567176 4000 209 1908 1883 -157.55 ± 4.46 89 1535 362 14 0 -386.58 ± 17.93
ncm-dbt-05 06:42:13 581181 4000 181 1915 1904 -161.28 ± 4.35 88 1570 330 12 0 -405.13 ± 18.79
20000 989 9462 9549 -157.09 ± 1.97 400 7755 1764 80 1 -388.96 ± 8.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
439978 ncm-dbt-02 587197 500 17 226 257 -154.7 ± 12.17 9 192 48 1 0 -381.7 ± 50.02
439977 ncm-dbt-04 564096 500 24 240 236 -160.64 ± 12.47 10 199 38 3 0 -406.2 ± 56.64
439976 ncm-dbt-01 585421 500 30 233 237 -149.68 ± 12.66 10 184 55 1 0 -356.21 ± 46.49
439975 ncm-dbt-05 581777 500 29 247 224 -162.35 ± 12.58 13 193 43 1 0 -401.92 ± 53.07
439974 ncm-dbt-03 585928 500 28 232 240 -150.51 ± 13.44 7 198 37 8 0 -370.41 ± 55.97
439973 ncm-dbt-02 586985 500 29 233 238 -150.51 ± 13.24 8 194 42 6 0 -366.78 ± 53.27
439972 ncm-dbt-03 587537 500 26 231 243 -151.34 ± 12.57 7 195 44 4 0 -374.11 ± 52.37
439971 ncm-dbt-01 584622 500 21 239 240 -162.35 ± 13.24 15 190 43 2 0 -393.6 ± 53.12
439970 ncm-dbt-05 585295 500 15 241 244 -169.27 ± 11.58 12 202 36 0 0 -444.08 ± 58.27
439969 ncm-dbt-04 567086 500 25 230 245 -151.34 ± 12.14 8 190 51 1 0 -370.41 ± 48.42
439968 ncm-dbt-02 586520 500 33 237 230 -150.51 ± 12.4 9 187 53 1 0 -363.2 ± 47.43
439967 ncm-dbt-03 585717 500 34 240 226 -152.18 ± 13.56 12 186 48 4 0 -359.68 ± 50.07
439966 ncm-dbt-01 578342 500 21 237 242 -160.64 ± 11.77 9 199 41 1 0 -410.58 ± 54.45
439965 ncm-dbt-04 570789 500 26 246 228 -164.07 ± 12.69 14 193 42 1 0 -406.2 ± 53.75
439964 ncm-dbt-05 580655 500 24 225 251 -148.02 ± 11.42 4 194 51 1 0 -370.41 ± 48.42
439963 ncm-dbt-02 585885 500 21 236 243 -159.78 ± 11.83 9 198 42 1 0 -406.2 ± 53.75
439962 ncm-dbt-01 580696 500 33 236 231 -149.68 ± 12.23 8 188 53 1 0 -363.2 ± 47.43
439961 ncm-dbt-03 584790 500 26 233 241 -153.02 ± 12.7 9 192 46 3 0 -374.11 ± 51.25
439960 ncm-dbt-04 568156 500 28 231 241 -149.68 ± 12.23 8 188 53 1 0 -363.2 ± 47.43
439959 ncm-dbt-05 582402 500 22 244 234 -165.79 ± 11.37 8 208 32 2 0 -444.09 ± 62.18
439958 ncm-dbt-02 587834 500 21 240 239 -163.21 ± 12.53 11 200 36 3 0 -415.05 ± 58.26
439957 ncm-dbt-01 583279 500 27 235 238 -153.86 ± 12.44 9 192 47 2 0 -377.87 ± 50.67
439956 ncm-dbt-05 579001 500 24 245 231 -164.93 ± 12.86 14 195 39 2 0 -410.58 ± 55.96
439955 ncm-dbt-04 567997 500 25 238 237 -158.08 ± 11.95 9 196 44 1 0 -397.72 ± 52.42
439954 ncm-dbt-03 585126 500 18 232 250 -158.93 ± 12.8 11 195 41 3 0 -393.6 ± 54.43
439953 ncm-dbt-02 584117 500 15 229 256 -158.93 ± 11.42 8 198 44 0 0 -406.2 ± 52.26
439952 ncm-dbt-01 580821 500 28 239 233 -156.39 ± 12.06 9 194 46 1 0 -389.56 ± 51.18
439951 ncm-dbt-05 581070 500 23 217 260 -142.25 ± 12.58 7 182 59 2 0 -336.46 ± 44.87
439950 ncm-dbt-04 567720 500 31 245 224 -158.93 ± 13.23 14 188 46 2 0 -381.7 ± 51.25
439949 ncm-dbt-03 587664 500 35 239 226 -150.51 ± 11.96 6 194 48 2 0 -374.11 ± 50.1
439948 ncm-dbt-02 586308 500 25 234 241 -154.7 ± 11.94 8 194 47 1 0 -385.59 ± 50.59
439947 ncm-dbt-01 578054 500 24 234 242 -155.54 ± 13.81 16 180 52 2 0 -359.68 ± 48.01
439946 ncm-dbt-05 577561 500 23 247 230 -167.53 ± 12.21 13 199 37 1 0 -429.05 ± 57.55
439945 ncm-dbt-03 583950 500 27 232 241 -151.34 ± 11.91 6 195 47 2 0 -377.87 ± 50.67
439944 ncm-dbt-04 565076 500 27 240 233 -158.08 ± 12.85 11 194 42 3 0 -389.56 ± 53.75
439943 ncm-dbt-02 587282 500 18 234 248 -160.64 ± 12.91 13 192 43 2 0 -393.6 ± 53.12
439942 ncm-dbt-01 582360 500 19 238 243 -163.21 ± 12.06 7 209 31 2 1 -438.95 ± 62.99
439941 ncm-dbt-03 586266 500 23 240 237 -161.49 ± 11.22 7 204 38 1 0 -424.28 ± 56.73
439940 ncm-dbt-05 581693 500 21 249 230 -171.02 ± 13.34 17 197 33 3 0 -429.05 ± 60.97
439939 ncm-dbt-04 566493 500 23 238 239 -159.78 ± 13.39 15 187 46 2 0 -381.7 ± 51.25

Commit

Commit ID 5e6a5e48e636babe1c2ba1fc63422e84c0eee942
Author Stéphane Nicolet
Date 2020-09-25 15:44:14 UTC
Suppress info strings before 'uci' On Windows, Stockfish wouldn't launch in some GUI because we output some info strings (about the use of large pages) before sending the 'uci' command. It seems more robust to suppress these info strings, and instead to add a proper section section in the Readme about large pages use. fixes https://github.com/official-stockfish/Stockfish/issues/3052 closes https://github.com/official-stockfish/Stockfish/pull/3147 No functional change
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