Dev Builds » 20210211-2129

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 06:43:10 582968 4000 306 1810 1884 -137.37 ± 5.06 96 1354 509 40 1 -304.42 ± 15.11
ncm-dbt-02 06:42:05 585967 4000 309 1857 1834 -141.85 ± 4.95 102 1372 498 28 0 -317.52 ± 15.27
ncm-dbt-03 06:43:56 585292 4000 290 1800 1910 -137.98 ± 4.97 90 1368 504 38 0 -308.24 ± 15.19
ncm-dbt-04 06:42:14 567940 4000 337 1822 1841 -135.46 ± 4.96 92 1333 543 32 0 -298.96 ± 14.61
ncm-dbt-05 06:42:18 582206 4000 326 1834 1840 -137.78 ± 4.86 81 1379 507 33 0 -310.7 ± 15.14
20000 1568 9123 9309 -138.08 ± 2.22 461 6806 2561 171 1 -307.89 ± 6.73

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
445997 ncm-dbt-03 584790 500 39 226 235 -136.56 ± 13.17 9 171 68 2 0 -309.64 ± 41.56
445996 ncm-dbt-04 567958 500 37 231 232 -142.25 ± 14.12 14 169 64 3 0 -315.35 ± 43.03
445995 ncm-dbt-01 581402 500 37 234 229 -144.71 ± 14.04 13 175 58 4 0 -327.18 ± 45.37
445994 ncm-dbt-02 585042 500 42 234 224 -140.62 ± 14.53 16 163 68 3 0 -304.07 ± 41.65
445993 ncm-dbt-05 580365 500 41 235 224 -142.25 ± 13.75 12 173 62 3 0 -321.19 ± 43.77
445992 ncm-dbt-01 583028 500 44 230 226 -135.76 ± 14.29 12 167 66 5 0 -298.62 ± 42.41
445991 ncm-dbt-02 585674 500 38 238 224 -147.19 ± 13.96 14 175 58 3 0 -333.32 ± 45.35
445990 ncm-dbt-04 567918 500 51 237 212 -135.76 ± 14.12 13 163 71 3 0 -295.94 ± 40.69
445989 ncm-dbt-03 585379 500 28 218 254 -138.99 ± 13.85 10 175 60 5 0 -315.35 ± 44.57
445988 ncm-dbt-05 582444 500 41 231 228 -138.99 ± 13.48 9 176 61 4 0 -318.25 ± 44.18
445987 ncm-dbt-04 568792 500 39 226 235 -136.56 ± 12.98 8 173 67 2 0 -312.48 ± 41.9
445986 ncm-dbt-03 584874 500 35 232 233 -144.71 ± 15.29 21 158 68 3 0 -304.07 ± 41.65
445985 ncm-dbt-02 585337 500 35 241 224 -152.18 ± 13.56 15 177 57 1 0 -349.43 ± 45.6
445984 ncm-dbt-01 585211 500 26 217 257 -139.81 ± 14.01 10 177 57 6 0 -318.25 ± 45.73
445983 ncm-dbt-05 578671 500 40 228 232 -137.37 ± 12.56 6 178 64 2 0 -321.19 ± 42.95
445982 ncm-dbt-02 583992 500 39 242 219 -149.68 ± 13.47 12 182 53 3 0 -349.43 ± 47.56
445981 ncm-dbt-01 582611 500 32 233 235 -148.02 ± 14.67 15 177 52 6 0 -333.32 ± 47.9
445980 ncm-dbt-04 567363 500 44 237 219 -141.44 ± 14.15 14 168 65 3 0 -312.48 ± 42.67
445979 ncm-dbt-05 576414 500 37 226 237 -138.18 ± 13.87 9 177 58 6 0 -315.35 ± 45.33
445978 ncm-dbt-03 583321 500 33 235 232 -148.85 ± 14.27 13 182 49 6 0 -342.85 ± 49.35
445977 ncm-dbt-02 588047 500 35 218 247 -133.34 ± 13.45 7 174 64 5 0 -304.07 ± 43.1
445976 ncm-dbt-01 584411 500 47 223 230 -127.76 ± 14.6 9 166 68 6 1 -282.94 ± 41.76
445975 ncm-dbt-04 567482 500 43 222 235 -130.14 ± 13.34 8 166 73 3 0 -290.66 ± 40.08
445974 ncm-dbt-05 589454 500 39 231 230 -140.62 ± 13.8 11 174 61 4 0 -318.25 ± 44.18
445973 ncm-dbt-03 584327 500 35 228 237 -141.44 ± 14.51 12 176 55 7 0 -318.25 ± 46.48
445972 ncm-dbt-02 586943 500 37 225 238 -137.37 ± 14.43 13 167 65 5 0 -301.33 ± 42.75
445971 ncm-dbt-04 566770 500 36 234 230 -145.54 ± 14.57 16 170 60 4 0 -321.19 ± 44.57
445970 ncm-dbt-05 582861 500 35 230 235 -143.07 ± 13.54 12 173 63 2 0 -324.17 ± 43.32
445969 ncm-dbt-01 583028 500 40 227 233 -136.56 ± 14.1 13 164 70 3 0 -298.62 ± 41.01
445968 ncm-dbt-03 586054 500 41 217 242 -127.76 ± 14.27 9 165 69 7 0 -280.42 ± 41.44
445967 ncm-dbt-02 585928 500 37 230 233 -141.44 ± 14.15 14 168 65 3 0 -312.48 ± 42.67
445966 ncm-dbt-05 585000 500 48 225 227 -128.55 ± 14.59 11 162 70 7 0 -277.93 ± 41.14
445965 ncm-dbt-04 566849 500 42 222 236 -130.94 ± 13.87 10 164 72 4 0 -288.06 ± 40.46
445964 ncm-dbt-01 583028 500 42 221 237 -130.14 ± 14.4 11 163 70 6 0 -282.94 ± 41.13
445963 ncm-dbt-03 587579 500 40 222 238 -132.54 ± 14.36 11 166 67 6 0 -290.66 ± 42.08
445962 ncm-dbt-02 586774 500 46 229 225 -133.34 ± 14.17 11 166 68 5 0 -293.29 ± 41.75
445961 ncm-dbt-04 570388 500 45 213 242 -121.45 ± 14.83 9 160 71 10 0 -261.07 ± 40.78
445960 ncm-dbt-01 581028 500 38 225 237 -136.56 ± 14.27 13 165 68 4 0 -298.62 ± 41.71
445959 ncm-dbt-05 582444 500 45 228 227 -133.34 ± 14.17 11 166 68 5 0 -293.29 ± 41.75
445958 ncm-dbt-03 586012 500 39 222 239 -133.34 ± 12.49 5 175 68 2 0 -309.64 ± 41.56

Commit

Commit ID 573f0e364ff4c1e5928be2ca947f65c5d4e177d5
Author mattginsberg
Date 2021-02-11 21:29:35 UTC
Better code for hash table generation This patch removes some magic numbers in TT bit management and introduce proper constants in the code, to improve documentation and ease further modifications. No function change
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