Dev Builds » 20200814-1439

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 06:31:46 584037 4000 57 2612 1331 -262.68 ± 6.86 637 1283 78 2 0 -671.7 ± 39.15
ncm-dbt-02 06:32:19 586557 4000 60 2606 1334 -261.36 ± 6.76 625 1297 77 1 0 -678.31 ± 39.43
ncm-dbt-03 06:32:51 585880 4000 65 2650 1285 -267.12 ± 7.04 668 1249 83 0 0 -669.55 ± 37.92
ncm-dbt-04 06:32:24 567618 4000 64 2667 1269 -269.82 ± 7.16 684 1237 77 2 0 -673.88 ± 39.41
ncm-dbt-05 06:33:49 581736 4000 48 2583 1369 -259.76 ± 6.58 606 1323 71 0 0 -697.2 ± 41.11
20000 294 13118 6588 -264.12 ± 3.08 3220 6389 386 5 0 -677.86 ± 17.38

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
461313 ncm-dbt-05 578753 500 5 317 178 -254.15 ± 17.68 70 172 8 0 0 -715.51 ± 146.53
461312 ncm-dbt-04 567680 500 6 331 163 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
461311 ncm-dbt-02 586985 500 7 316 177 -250.76 ± 17.53 68 173 9 0 0 -694.7 ± 134.18
461310 ncm-dbt-03 588345 500 4 324 172 -263.41 ± 18.26 76 168 6 0 0 -766.17 ± 188.02
461309 ncm-dbt-01 585928 500 8 328 164 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
461308 ncm-dbt-05 582527 500 7 328 165 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
461307 ncm-dbt-02 586858 500 4 332 164 -273.0 ± 20.29 86 157 6 1 0 -715.55 ± 177.2
461306 ncm-dbt-04 569549 500 4 318 178 -256.44 ± 17.69 70 175 4 1 0 -766.23 ± 273.11
461305 ncm-dbt-01 583950 500 4 328 168 -268.16 ± 18.24 78 168 4 0 0 -837.28 ± 240.94
461304 ncm-dbt-03 584411 500 5 332 163 -271.78 ± 19.57 84 159 7 0 0 -739.05 ± 163.27
461303 ncm-dbt-02 585759 500 11 322 167 -253.02 ± 18.91 74 163 13 0 0 -629.41 ± 104.8
461302 ncm-dbt-05 582611 500 6 320 174 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
461301 ncm-dbt-04 568037 500 10 335 155 -269.36 ± 20.68 87 151 12 0 0 -643.67 ± 110.29
461300 ncm-dbt-03 583237 500 12 327 161 -257.59 ± 20.26 81 153 16 0 0 -592.27 ± 92.24
461299 ncm-dbt-01 586604 500 2 319 179 -259.9 ± 17.83 73 171 6 0 0 -766.17 ± 188.02
461298 ncm-dbt-02 586181 500 6 326 168 -263.41 ± 18.84 78 164 8 0 0 -715.51 ± 146.53
461297 ncm-dbt-05 578547 500 4 322 174 -261.07 ± 18.26 75 168 7 0 0 -739.05 ± 163.27
461296 ncm-dbt-03 587707 500 7 350 143 -291.96 ± 21.96 100 143 7 0 0 -739.05 ± 163.27
461295 ncm-dbt-01 582444 500 13 330 157 -259.9 ± 20.81 84 149 17 0 0 -581.38 ± 88.96
461294 ncm-dbt-04 567324 500 6 342 152 -282.94 ± 20.9 93 150 7 0 0 -739.05 ± 163.27
461293 ncm-dbt-02 587834 500 8 333 159 -269.36 ± 20.68 87 151 12 0 0 -643.67 ± 110.29
461292 ncm-dbt-01 583992 500 6 329 165 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
461291 ncm-dbt-05 584159 500 5 326 169 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
461290 ncm-dbt-04 566849 500 10 333 157 -266.96 ± 20.39 85 153 12 0 0 -643.67 ± 110.29
461289 ncm-dbt-03 584706 500 10 330 160 -263.41 ± 20.48 84 152 14 0 0 -616.18 ± 100.06
461288 ncm-dbt-01 583531 500 6 334 160 -273.0 ± 21.13 89 151 9 1 0 -659.17 ± 131.36
461287 ncm-dbt-02 587409 500 7 323 170 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
461286 ncm-dbt-04 566612 500 9 332 159 -266.96 ± 20.12 84 155 11 0 0 -659.13 ± 116.77
461285 ncm-dbt-05 581319 500 11 312 177 -241.91 ± 17.98 66 169 15 0 0 -603.84 ± 95.91
461284 ncm-dbt-03 587028 500 9 328 163 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
461283 ncm-dbt-02 585717 500 9 323 168 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
461282 ncm-dbt-01 583950 500 4 324 172 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
461281 ncm-dbt-03 587028 500 10 333 157 -266.96 ± 20.12 84 155 11 0 0 -659.13 ± 116.77
461280 ncm-dbt-05 582444 500 4 334 162 -275.44 ± 19.41 85 160 5 0 0 -798.18 ± 231.48
461279 ncm-dbt-04 565390 500 11 340 149 -274.22 ± 22.35 95 139 16 0 0 -592.27 ± 92.24
461278 ncm-dbt-01 581902 500 14 320 166 -247.41 ± 19.7 74 159 16 1 0 -571.11 ± 91.87
461277 ncm-dbt-02 585717 500 8 331 161 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
461276 ncm-dbt-04 569509 500 8 336 156 -273.0 ± 20.58 87 155 7 1 0 -694.74 ± 156.93
461275 ncm-dbt-05 583531 500 6 324 170 -261.07 ± 18.26 75 168 7 0 0 -739.05 ± 163.27
461274 ncm-dbt-03 584579 500 8 326 166 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77

Commit

Commit ID 6eb186c97e9d808970d0b1369bcd7aca60612e26
Author mstembera
Date 2020-08-14 14:39:52 UTC
Try to match relative magnitude of NNUE eval to classical The idea is that since we are mixing NNUE and classical evals matching their magnitudes closer allows for better comparisons. STC https://tests.stockfishchess.org/tests/view/5f35a65411a9b1a1dbf18e2b LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 9840 W: 1150 L: 1027 D: 7663 Ptnml(0-2): 49, 772, 3175, 855, 69 LTC https://tests.stockfishchess.org/tests/view/5f35bcbe11a9b1a1dbf18e47 LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 44424 W: 2492 L: 2294 D: 39638 Ptnml(0-2): 42, 2015, 17915, 2183, 57 also corrects the location to clamp the evaluation (non-function on bench). closes https://github.com/official-stockfish/Stockfish/pull/3003 bench: 3905447
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