Dev Builds » 20200416-1936

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 06:26:53 583333 3980 61 2593 1326 -261.18 ± 6.74 619 1295 75 1 0 -681.96 ± 39.97
ncm-dbt-02 06:28:09 586283 4016 51 2573 1392 -256.44 ± 6.46 589 1344 75 0 0 -688.21 ± 39.96
ncm-dbt-03 06:27:28 585202 4008 51 2623 1334 -264.43 ± 6.79 640 1293 70 1 0 -695.09 ± 41.42
ncm-dbt-04 06:25:59 568668 4000 61 2609 1330 -261.66 ± 6.8 630 1289 80 1 0 -671.7 ± 38.66
ncm-dbt-05 06:28:15 582394 3996 55 2546 1395 -253.8 ± 6.35 567 1357 74 0 0 -689.71 ± 40.24
20000 279 12944 6777 -259.47 ± 2.97 3045 6578 374 3 0 -685.17 ± 17.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440543 ncm-dbt-03 586266 8 0 4 4 -190.56 ± 13.88 0 4 0 0 0 -1199.83 ± 250.99
440542 ncm-dbt-02 586646 16 2 8 6 -136.89 ± 61.78 0 6 2 0 0 -337.87 ± 515.83
440541 ncm-dbt-01 583489 480 9 312 159 -258.31 ± 19.27 73 157 10 0 0 -668.8 ± 124.5
440540 ncm-dbt-05 584537 496 5 316 175 -255.87 ± 18.56 73 165 10 0 0 -674.62 ± 124.54
440539 ncm-dbt-04 567561 500 6 314 180 -249.64 ± 17.11 66 176 8 0 0 -715.51 ± 146.53
440538 ncm-dbt-03 585379 500 6 322 172 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
440537 ncm-dbt-02 585253 500 4 315 181 -253.02 ± 17.54 69 173 8 0 0 -715.51 ± 146.53
440536 ncm-dbt-01 584958 500 4 325 171 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
440535 ncm-dbt-05 584076 500 9 322 169 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
440534 ncm-dbt-04 569589 500 0 317 183 -259.9 ± 17.53 72 173 5 0 0 -798.18 ± 231.48
440533 ncm-dbt-03 582235 500 6 325 169 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
440532 ncm-dbt-02 586223 500 7 317 176 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
440531 ncm-dbt-01 583866 500 6 323 171 -259.9 ± 18.69 75 168 6 1 0 -715.55 ± 177.2
440530 ncm-dbt-05 582736 500 9 308 183 -239.73 ± 16.37 59 181 10 0 0 -676.04 ± 124.55
440529 ncm-dbt-03 586223 500 3 328 169 -269.36 ± 19.28 82 161 7 0 0 -739.05 ± 163.27
440528 ncm-dbt-04 565272 500 9 321 170 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
440527 ncm-dbt-02 588643 500 8 320 172 -254.15 ± 19.05 75 162 13 0 0 -629.41 ± 104.8
440526 ncm-dbt-01 581985 500 12 331 157 -262.24 ± 20.85 85 149 16 0 0 -592.27 ± 92.24
440525 ncm-dbt-03 584664 500 6 331 163 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
440524 ncm-dbt-05 581277 500 5 317 178 -254.15 ± 17.11 68 176 6 0 0 -766.17 ± 188.02
440523 ncm-dbt-04 566533 500 6 329 165 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
440522 ncm-dbt-02 587834 500 5 319 176 -256.44 ± 17.97 72 170 8 0 0 -715.51 ± 146.53
440521 ncm-dbt-01 583405 500 8 325 167 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
440520 ncm-dbt-03 584916 500 6 326 168 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
440519 ncm-dbt-04 569869 500 14 323 163 -250.76 ± 19.39 75 159 16 0 0 -592.27 ± 92.24
440518 ncm-dbt-05 581943 500 5 327 168 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
440517 ncm-dbt-02 587070 500 5 332 163 -271.78 ± 19.28 83 161 6 0 0 -766.17 ± 188.02
440516 ncm-dbt-01 582277 500 8 324 168 -258.74 ± 18.26 74 168 8 0 0 -715.51 ± 146.53
440515 ncm-dbt-03 582360 500 5 326 169 -264.59 ± 19.27 79 164 6 1 0 -715.55 ± 177.2
440514 ncm-dbt-04 570509 500 7 343 150 -282.94 ± 21.78 96 144 10 0 0 -676.04 ± 124.55
440513 ncm-dbt-02 585295 500 5 320 175 -257.59 ± 17.83 72 171 7 0 0 -739.05 ± 163.27
440512 ncm-dbt-05 579992 500 5 320 175 -257.59 ± 17.54 71 173 6 0 0 -766.17 ± 188.02
440511 ncm-dbt-01 583531 500 8 328 164 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
440510 ncm-dbt-04 570388 500 13 331 156 -261.07 ± 20.96 84 151 14 1 0 -592.29 ± 99.42
440509 ncm-dbt-03 587113 500 10 333 157 -266.96 ± 20.12 84 155 11 0 0 -659.13 ± 116.77
440508 ncm-dbt-05 581402 500 9 314 177 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
440507 ncm-dbt-02 583237 500 6 322 172 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
440506 ncm-dbt-01 583154 500 6 325 169 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
440505 ncm-dbt-04 569629 500 6 331 163 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
440504 ncm-dbt-03 587664 500 9 328 163 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
440503 ncm-dbt-05 583196 500 8 322 170 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
440502 ncm-dbt-02 586350 500 9 320 171 -253.02 ± 18.37 72 167 11 0 0 -659.13 ± 116.77

Commit

Commit ID 6f35af7ad31d55d0f0918742b60f4e672fc43ccf
Author Lolligerhans
Date 2020-04-16 19:36:19 UTC
Increase safe check bonus if multiple safe checks Add 50% "safe checks" bonus when there are multiple safe checks from the same piece type. LTC LLR: 2.97 (-2.94,2.94) {0.25,1.75} Total: 128184 W: 16491 L: 15954 D: 95739 Ptnml(0-2): 884, 11793, 38267, 12198, 950 https://tests.stockfishchess.org/tests/view/5e97d1b6c9ada107a0370e03 STC LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 19022 W: 3733 L: 3514 D: 11775 Ptnml(0-2): 338, 2103, 4414, 2314, 342 https://tests.stockfishchess.org/tests/view/5e97c377c9ada107a0370ddf closes https://github.com/official-stockfish/Stockfish/pull/2636 Bench: 5057329
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