Dev Builds » 20240526-1824

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 02:55:56 1192962 1000 417 79 504 +122.24 +/- 9.28 0 9 153 329 9 +274.22 +/- 27.57
ncm-dbt-02 02:52:37 1213330 1000 447 86 467 +131.34 +/- 10.22 0 11 141 324 24 +284.22 +/- 28.81
ncm-dbt-03 02:53:16 1231246 1000 440 69 491 +135.35 +/- 9.0 0 6 128 355 11 +315.35 +/- 30.23
ncm-dbt-05 02:52:43 1201398 1000 451 67 482 +140.62 +/- 8.94 0 2 128 354 16 +327.18 +/- 30.08
ncm-dbt-06 02:56:46 1231718 1000 451 95 454 +129.35 +/- 9.25 0 7 142 339 12 +293.29 +/- 28.64
5000 2206 396 2398 +131.74 +/- 4.19 0 35 692 1701 72 +298.08 +/- 12.92

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
368833 ncm-dbt-01 1181164 500 212 38 250 +126.17 +/- 13.24 0 6 68 172 4 +288.06 +/- 41.76
368832 ncm-dbt-02 1196993 500 222 46 232 +127.76 +/- 14.1 0 3 80 155 12 +273.0 +/- 38.12
368831 ncm-dbt-06 1203554 500 230 43 227 +136.56 +/- 12.59 0 1 68 174 7 +315.35 +/- 41.44
368830 ncm-dbt-03 1237742 500 218 41 241 +128.55 +/- 13.56 0 5 70 168 7 +288.06 +/- 41.11
368829 ncm-dbt-05 1196118 500 227 36 237 +139.81 +/- 12.47 0 1 64 178 7 +327.18 +/- 42.83
368828 ncm-dbt-02 1229667 500 225 40 235 +134.95 +/- 14.82 0 8 61 169 12 +295.94 +/- 44.08
368827 ncm-dbt-06 1259883 500 221 52 227 +122.24 +/- 13.48 0 6 74 165 5 +273.0 +/- 39.95
368826 ncm-dbt-03 1224750 500 222 28 250 +142.25 +/- 11.73 0 1 58 187 4 +346.12 +/- 45.18
368825 ncm-dbt-01 1204760 500 205 41 254 +118.33 +/- 13.0 0 3 85 157 5 +261.07 +/- 36.86
368824 ncm-dbt-05 1206679 500 224 31 245 +141.44 +/- 12.81 0 1 64 176 9 +327.18 +/- 42.83

Commit

Commit ID 4d876275cf127b9e7cf91cef984deafa2abb47d9
Author Stéphane Nicolet
Date 2024-05-26 18:24:05 UTC
Simplify material weights in evaluation This patch uses the same material weights for the nnue amplification term and the optimism term in evaluate(). STC: LLR: 2.99 (-2.94,2.94) <-1.75,0.25> Total: 83360 W: 21489 L: 21313 D: 40558 Ptnml(0-2): 303, 9934, 21056, 10058, 329 https://tests.stockfishchess.org/tests/view/664eee69928b1fb18de500d9 LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 192648 W: 48675 L: 48630 D: 95343 Ptnml(0-2): 82, 21484, 53161, 21501, 96 https://tests.stockfishchess.org/tests/view/664fa17aa86388d5e27d7d6e closes https://github.com/official-stockfish/Stockfish/pull/5287 Bench: 1495602
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