Dev Builds » 20200921-0841

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 06:42:50 582455 4000 191 1891 1918 -157.66 ± 4.24 67 1580 339 14 0 -398.24 ± 18.54
ncm-dbt-02 06:43:56 587111 4008 213 1926 1869 -158.68 ± 4.48 88 1557 339 20 0 -392.46 ± 18.54
ncm-dbt-03 06:44:18 586116 4018 201 1895 1922 -156.22 ± 4.33 67 1581 340 21 0 -391.42 ± 18.51
ncm-dbt-04 06:43:10 567337 4000 205 1912 1883 -158.4 ± 4.34 79 1562 346 13 0 -395.65 ± 18.35
ncm-dbt-05 06:44:22 583552 3974 200 1916 1858 -160.56 ± 4.38 91 1542 346 8 0 -399.62 ± 18.33
20000 1010 9540 9450 -158.3 ± 1.95 392 7822 1710 76 0 -395.44 ± 8.24

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
448024 ncm-dbt-02 586943 8 0 4 4 -190.56 ± 13.88 0 4 0 0 0 -1199.83 ± 250.99
448023 ncm-dbt-03 585970 18 2 9 7 -142.54 ± 56.5 0 7 2 0 0 -361.06 ± 503.16
448022 ncm-dbt-05 585295 474 26 234 214 -163.56 ± 11.74 9 190 38 0 0 -423.87 ± 56.53
448021 ncm-dbt-04 567086 500 20 233 247 -158.08 ± 12.41 9 198 40 3 0 -397.72 ± 55.14
448020 ncm-dbt-02 589411 500 28 249 223 -164.93 ± 12.86 13 198 36 3 0 -415.05 ± 58.26
448019 ncm-dbt-01 583824 500 25 241 234 -160.64 ± 12.69 9 203 33 5 0 -410.58 ± 60.3
448018 ncm-dbt-03 588813 500 25 238 237 -158.08 ± 11.72 7 201 40 2 0 -406.2 ± 55.21
448017 ncm-dbt-05 578959 500 27 230 243 -149.68 ± 12.01 8 187 55 0 0 -363.19 ± 46.32
448016 ncm-dbt-04 567086 500 27 233 240 -152.18 ± 11.16 5 196 49 0 0 -385.59 ± 49.31
448015 ncm-dbt-01 580489 500 25 250 225 -168.4 ± 11.9 12 202 35 1 0 -438.95 ± 59.31
448014 ncm-dbt-02 586139 500 32 228 240 -143.89 ± 12.51 6 187 54 3 0 -346.12 ± 47.1
448013 ncm-dbt-03 584622 500 23 228 249 -151.34 ± 11.91 4 201 41 4 0 -385.59 ± 54.3
448012 ncm-dbt-05 578054 500 17 237 246 -164.07 ± 12.23 12 197 40 1 0 -415.05 ± 55.18
448011 ncm-dbt-01 581902 500 25 238 237 -158.08 ± 12.85 12 191 45 2 0 -385.59 ± 51.85
448010 ncm-dbt-04 567601 500 33 246 221 -158.08 ± 11.95 9 196 44 1 0 -397.72 ± 52.42
448009 ncm-dbt-03 585885 500 25 237 238 -157.23 ± 12.9 11 193 43 3 0 -385.59 ± 53.09
448008 ncm-dbt-02 584159 500 24 249 227 -168.4 ± 12.62 14 199 35 2 0 -429.05 ± 59.28
448007 ncm-dbt-05 581943 500 22 244 234 -165.79 ± 12.34 13 197 39 1 0 -419.61 ± 55.94
448006 ncm-dbt-04 564057 500 34 237 229 -149.68 ± 12.66 8 190 49 3 0 -363.2 ± 49.57
448005 ncm-dbt-01 583866 500 22 234 244 -157.23 ± 12.01 9 195 45 1 0 -393.6 ± 51.79
448004 ncm-dbt-03 584327 500 24 236 240 -157.23 ± 13.32 11 195 39 5 0 -385.59 ± 55.5
448003 ncm-dbt-02 587622 500 26 242 232 -160.64 ± 12.24 9 201 37 3 0 -410.58 ± 57.43
448002 ncm-dbt-01 583992 500 25 234 241 -154.7 ± 12.17 9 192 48 1 0 -381.7 ± 50.02
448001 ncm-dbt-04 570068 500 24 241 235 -161.49 ± 12.64 12 195 41 2 0 -401.92 ± 54.49
448000 ncm-dbt-05 583237 500 29 247 224 -162.35 ± 11.65 10 198 42 0 0 -415.04 ± 53.59
447999 ncm-dbt-03 583405 500 29 242 229 -158.08 ± 12.63 12 190 47 1 0 -385.59 ± 50.59
447998 ncm-dbt-02 586393 500 24 246 230 -165.79 ± 11.62 10 203 36 1 0 -433.94 ± 58.41
447997 ncm-dbt-02 587409 500 25 241 234 -160.64 ± 12.91 12 195 40 3 0 -397.72 ± 55.14
447996 ncm-dbt-01 578177 500 19 232 249 -158.08 ± 10.98 6 201 43 0 0 -410.57 ± 52.91
447995 ncm-dbt-03 586393 500 25 236 239 -156.39 ± 12.29 8 198 41 3 0 -393.6 ± 54.43
447994 ncm-dbt-04 567403 500 23 245 232 -165.79 ± 12.11 12 199 38 1 0 -424.28 ± 56.73
447993 ncm-dbt-05 578753 500 28 234 238 -152.18 ± 12.74 9 191 47 3 0 -370.41 ± 50.67
447992 ncm-dbt-03 588899 500 27 230 243 -149.68 ± 11.56 5 194 50 1 0 -374.11 ± 48.94
447991 ncm-dbt-01 584159 500 24 232 244 -153.86 ± 11.76 5 201 41 3 0 -393.6 ± 54.43
447990 ncm-dbt-04 568156 500 20 245 235 -168.4 ± 13.29 17 193 38 2 0 -415.05 ± 56.74
447989 ncm-dbt-02 587622 500 28 234 238 -152.18 ± 13.16 12 184 52 2 0 -359.68 ± 48.01
447988 ncm-dbt-05 597512 500 29 245 226 -160.64 ± 13.96 18 182 48 2 0 -374.11 ± 50.1
447987 ncm-dbt-05 584664 500 22 245 233 -166.66 ± 12.04 12 200 37 1 0 -429.05 ± 57.55
447986 ncm-dbt-02 588302 500 26 233 241 -153.02 ± 13.32 12 186 49 3 0 -363.2 ± 49.57
447985 ncm-dbt-03 586731 500 21 239 240 -162.35 ± 11.89 9 202 37 2 0 -419.61 ± 57.55
447984 ncm-dbt-04 567244 500 24 232 244 -153.86 ± 11.76 7 195 47 1 0 -385.59 ± 50.59
447983 ncm-dbt-01 583237 500 26 230 244 -150.51 ± 11.51 5 195 49 1 0 -377.87 ± 49.47

Commit

Commit ID 9a64e737cfef639f202787161498ba94466ad730
Author Stéphane Nicolet
Date 2020-09-21 08:41:10 UTC
Small cleanups 12 - Clean signature of functions in namespace NNUE - Add comment for countermove based pruning - Remove bestMoveCount variable - Add const qualifier to kpp_board_index array - Fix spaces in get_best_thread() - Fix indention in capture LMR code in search.cpp - Rename TtmemDeleter to LargePageDeleter Closes https://github.com/official-stockfish/Stockfish/pull/3063 No functional change
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