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 06:43:55 584649 4006 196 1893 1917 -157.07 ± 4.35 74 1566 346 17 0 -391.86 ± 18.35
ncm-dbt-02 06:42:53 586875 4000 227 1911 1862 -155.97 ± 4.41 78 1544 362 16 0 -384.61 ± 17.94
ncm-dbt-03 06:43:58 584792 4000 217 1909 1874 -156.81 ± 4.56 87 1541 350 21 1 -384.61 ± 18.25
ncm-dbt-04 06:43:10 567227 3994 229 1863 1902 -150.98 ± 4.33 58 1535 387 17 0 -371.5 ± 17.34
ncm-dbt-05 06:42:12 579916 4000 221 1903 1876 -155.76 ± 4.77 100 1513 357 29 1 -373.64 ± 18.05
20000 1090 9479 9431 -155.31 ± 2.01 397 7699 1802 100 2 -381.12 ± 8.02

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459412 ncm-dbt-01 585801 6 1 4 1 -190.46 ± 337.08 1 1 1 0 0 -279.24 ± 576.89
459411 ncm-dbt-04 567205 494 34 224 236 -140.87 ± 11.66 3 185 58 1 0 -343.74 ± 45.16
459410 ncm-dbt-03 582819 500 29 237 234 -153.86 ± 12.22 7 197 43 3 0 -385.59 ± 53.09
459409 ncm-dbt-02 588430 500 30 241 229 -156.39 ± 12.29 10 192 47 1 0 -385.59 ± 50.59
459408 ncm-dbt-01 583950 500 20 234 246 -158.93 ± 11.66 9 196 45 0 0 -401.91 ± 51.63
459407 ncm-dbt-05 583405 500 31 233 236 -148.85 ± 13.7 10 187 49 3 1 -356.21 ± 49.54
459406 ncm-dbt-04 566651 500 33 234 233 -148.02 ± 13.35 10 185 51 4 0 -349.43 ± 48.52
459405 ncm-dbt-03 586943 500 26 242 232 -160.64 ± 13.55 16 186 46 2 0 -381.7 ± 51.25
459404 ncm-dbt-02 588387 500 28 228 244 -147.19 ± 12.14 6 190 52 2 0 -359.68 ± 48.01
459403 ncm-dbt-05 577766 500 29 237 234 -153.86 ± 12.87 10 191 46 3 0 -374.11 ± 51.25
459402 ncm-dbt-01 584327 500 24 243 233 -163.21 ± 12.97 14 193 41 2 0 -401.92 ± 54.49
459401 ncm-dbt-04 567165 500 31 234 235 -149.68 ± 12.23 6 194 47 3 0 -370.41 ± 50.67
459400 ncm-dbt-03 584369 500 22 235 243 -158.08 ± 13.48 10 199 36 4 1 -397.72 ± 57.75
459399 ncm-dbt-02 587494 500 28 241 231 -158.08 ± 11.95 9 196 44 1 0 -397.72 ± 52.42
459398 ncm-dbt-05 579413 500 28 234 238 -152.18 ± 13.76 12 187 46 5 0 -359.68 ± 51.07
459397 ncm-dbt-01 584369 500 35 232 233 -144.71 ± 12.47 7 185 56 2 0 -346.12 ± 46.15
459396 ncm-dbt-04 567205 500 20 227 253 -153.02 ± 11.82 8 191 51 0 0 -377.86 ± 48.25
459395 ncm-dbt-03 584369 500 32 245 223 -158.08 ± 13.48 13 191 42 4 0 -381.7 ± 53.64
459394 ncm-dbt-02 586520 500 35 237 228 -148.85 ± 13.31 9 189 47 5 0 -356.21 ± 50.52
459393 ncm-dbt-05 579744 500 27 245 228 -162.35 ± 13.24 16 187 46 1 0 -389.56 ± 51.18
459392 ncm-dbt-01 585337 500 24 232 244 -153.86 ± 11.99 5 202 39 4 0 -393.6 ± 55.71
459391 ncm-dbt-04 568912 500 21 236 243 -159.78 ± 11.1 5 207 36 2 0 -424.28 ± 58.4
459390 ncm-dbt-03 585169 500 31 241 228 -155.54 ± 12.56 11 189 49 1 0 -377.87 ± 49.47
459389 ncm-dbt-05 579578 500 23 240 237 -161.49 ± 12.86 12 196 39 3 0 -401.92 ± 55.87
459388 ncm-dbt-02 586097 500 21 239 240 -162.35 ± 12.81 13 194 41 2 0 -401.92 ± 54.49
459387 ncm-dbt-01 580904 500 25 235 240 -155.54 ± 12.56 10 192 46 2 0 -381.7 ± 51.25
459386 ncm-dbt-04 565823 500 35 239 226 -150.51 ± 12.4 10 184 56 0 0 -359.67 ± 45.87
459385 ncm-dbt-03 586308 500 19 248 233 -171.9 ± 12.1 14 202 33 1 0 -449.35 ± 61.23
459384 ncm-dbt-01 586054 500 18 234 248 -160.64 ± 12.01 8 203 36 3 0 -415.05 ± 58.26
459383 ncm-dbt-05 574622 500 20 240 240 -164.07 ± 13.98 16 193 36 5 0 -397.72 ± 57.75
459382 ncm-dbt-02 586054 500 30 244 226 -158.93 ± 13.23 15 185 49 1 0 -377.87 ± 49.47
459381 ncm-dbt-04 569470 500 28 234 238 -152.18 ± 11.87 6 196 46 2 0 -381.7 ± 51.25
459380 ncm-dbt-02 586604 500 33 235 232 -148.85 ± 12.91 9 187 51 3 0 -356.21 ± 48.54
459379 ncm-dbt-03 584664 500 31 234 235 -149.68 ± 13.47 10 188 47 5 0 -356.21 ± 50.52
459378 ncm-dbt-01 586646 500 23 241 236 -162.35 ± 12.36 11 198 39 2 0 -410.58 ± 55.96
459377 ncm-dbt-05 581569 500 32 245 223 -158.08 ± 13.06 12 192 43 3 0 -385.59 ± 53.09
459376 ncm-dbt-04 565390 500 27 235 238 -153.86 ± 13.28 10 193 42 5 0 -374.11 ± 53.47
459375 ncm-dbt-03 583698 500 27 227 246 -147.19 ± 11.92 6 189 54 1 0 -359.68 ± 46.95
459374 ncm-dbt-02 585421 500 22 246 232 -167.53 ± 10.69 7 211 31 1 0 -460.32 ± 63.35
459373 ncm-dbt-05 583237 500 31 229 240 -145.54 ± 14.2 12 180 52 6 0 -333.32 ± 47.9
459372 ncm-dbt-01 584453 500 26 238 236 -157.23 ± 12.24 9 196 43 2 0 -393.6 ± 53.12

Commit

Commit ID f66c381f11b8603e2449b200227c8cfd7382b3ba
Author SFisGOD
Date 2020-09-25 15:44:19 UTC
Switch to NNUE eval probabilistically for OCB Introduce a small chance of switching to NNUE if PSQ imbalance is large but we have opposite colored bishops and the classical eval is struggling to win. STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 25304 W: 3179 L: 2983 D: 19142 Ptnml(0-2): 172, 2171, 7781, 2345, 183 https://tests.stockfishchess.org/tests/view/5f6b14dec7759d4ee307cfe3 LTC: LLR: 2.94 (-2.94,2.94) {0.25,1.25} Total: 84680 W: 4846 L: 4556 D: 75278 Ptnml(0-2): 89, 3933, 34011, 4213, 94 https://tests.stockfishchess.org/tests/view/5f6b3fb6c7759d4ee307cff9 closes https://github.com/official-stockfish/Stockfish/pull/3146 Bench: 3865413
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