Dev Builds » 20200304-0617

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 06:25:13 585586 4000 51 2610 1339 -263.27 ± 6.84 636 1290 71 3 0 -682.85 ± 41.04
ncm-dbt-02 06:26:26 585976 4008 47 2604 1357 -262.23 ± 6.56 615 1327 62 0 0 -721.5 ± 44.12
ncm-dbt-03 06:25:40 585501 3998 64 2601 1333 -260.24 ± 6.85 628 1283 86 2 0 -655.08 ± 37.23
ncm-dbt-04 06:26:26 568724 4012 66 2624 1322 -262.0 ± 6.85 637 1286 81 2 0 -665.86 ± 38.39
ncm-dbt-05 06:26:43 583025 3982 39 2559 1384 -259.24 ± 6.43 588 1345 57 1 0 -729.11 ± 46.1
20000 267 12998 6735 -261.39 ± 3.0 3104 6531 357 8 0 -688.46 ± 18.08

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
470283 ncm-dbt-02 585211 8 0 5 3 -254.25 ± 135.69 1 3 0 0 0 -1199.83 ± 250.99
470282 ncm-dbt-04 566493 12 0 9 3 -337.54 ± 212.51 3 3 0 0 0 -1199.83 ± 215.27
470281 ncm-dbt-05 581194 482 4 305 173 -254.43 ± 17.22 65 171 5 0 0 -791.75 ± 231.31
470280 ncm-dbt-03 584706 498 12 320 166 -251.03 ± 19.98 76 157 15 1 0 -580.68 ± 95.42
470279 ncm-dbt-01 585379 500 6 307 187 -241.91 ± 16.93 62 177 11 0 0 -659.13 ± 116.77
470278 ncm-dbt-02 583824 500 8 327 165 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
470277 ncm-dbt-04 570869 500 8 326 166 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
470276 ncm-dbt-05 583279 500 3 315 182 -254.15 ± 16.21 65 182 3 0 0 -887.58 ± 222.18
470275 ncm-dbt-03 584327 500 3 327 170 -268.16 ± 17.93 77 170 3 0 0 -887.58 ± 222.18
470274 ncm-dbt-01 586435 500 7 334 159 -271.78 ± 21.52 90 148 11 1 0 -629.43 ± 115.29
470273 ncm-dbt-02 584201 500 5 320 175 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
470272 ncm-dbt-04 567126 500 11 335 154 -268.16 ± 20.26 85 154 11 0 0 -659.13 ± 116.77
470271 ncm-dbt-03 585801 500 12 314 174 -243.0 ± 18.88 69 165 15 1 0 -581.4 ± 95.42
470270 ncm-dbt-05 587494 500 2 332 166 -275.44 ± 18.8 83 164 3 0 0 -887.58 ± 222.18
470269 ncm-dbt-02 586477 500 10 327 163 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
470268 ncm-dbt-01 585337 500 5 337 158 -277.92 ± 20.3 89 154 7 0 0 -739.05 ± 163.27
470267 ncm-dbt-04 570268 500 8 310 182 -243.0 ± 17.61 65 172 13 0 0 -629.41 ± 104.8
470266 ncm-dbt-05 583489 500 8 328 164 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
470265 ncm-dbt-03 587070 500 7 314 179 -248.52 ± 18.33 70 167 13 0 0 -629.41 ± 104.8
470264 ncm-dbt-01 585759 500 4 339 157 -281.67 ± 20.75 92 151 7 0 0 -739.05 ± 163.27
470263 ncm-dbt-02 589411 500 4 323 173 -262.24 ± 17.52 73 173 4 0 0 -837.28 ± 240.94
470262 ncm-dbt-04 568912 500 10 315 175 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
470261 ncm-dbt-03 586097 500 6 334 160 -272.99 ± 20.01 86 156 8 0 0 -715.51 ± 146.53
470260 ncm-dbt-05 582527 500 6 315 179 -250.76 ± 18.35 70 170 9 1 0 -659.17 ± 131.36
470259 ncm-dbt-01 585590 500 6 320 174 -256.44 ± 18.53 73 169 7 1 0 -694.74 ± 156.93
470258 ncm-dbt-02 585295 500 5 323 172 -261.07 ± 18.55 76 166 8 0 0 -715.51 ± 146.53
470257 ncm-dbt-04 568116 500 11 333 156 -265.78 ± 20.77 85 153 11 1 0 -629.43 ± 115.29
470256 ncm-dbt-03 585632 500 5 332 163 -271.78 ± 19.57 84 159 7 0 0 -739.05 ± 163.27
470255 ncm-dbt-05 580365 500 5 330 165 -269.36 ± 18.98 81 163 6 0 0 -766.17 ± 188.02
470254 ncm-dbt-01 586901 500 6 330 164 -268.16 ± 19.13 81 162 7 0 0 -739.05 ± 163.27
470253 ncm-dbt-02 585337 500 7 330 163 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
470252 ncm-dbt-04 569151 500 5 332 163 -271.78 ± 20.71 88 151 11 0 0 -659.13 ± 116.77
470251 ncm-dbt-03 585548 500 9 333 158 -268.16 ± 20.81 87 150 13 0 0 -629.41 ± 104.8
470250 ncm-dbt-05 581236 500 6 323 171 -259.9 ± 19.51 79 159 12 0 0 -643.67 ± 110.29
470249 ncm-dbt-02 589155 500 6 325 169 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
470248 ncm-dbt-01 585295 500 8 317 175 -250.76 ± 17.25 67 175 8 0 0 -715.51 ± 146.53
470247 ncm-dbt-04 568673 500 4 338 158 -280.42 ± 20.6 90 155 4 1 0 -766.23 ± 273.11
470246 ncm-dbt-03 584832 500 10 327 163 -259.9 ± 19.51 79 159 12 0 0 -643.67 ± 110.29
470245 ncm-dbt-05 584622 500 5 311 184 -247.41 ± 17.1 65 176 9 0 0 -694.7 ± 134.18
470244 ncm-dbt-02 584874 500 2 324 174 -265.77 ± 17.95 76 170 4 0 0 -837.28 ± 240.94
470243 ncm-dbt-01 583992 500 9 326 165 -259.9 ± 20.55 82 154 13 1 0 -603.86 ± 103.96
470242 ncm-dbt-04 568912 500 9 326 165 -259.9 ± 18.97 77 163 10 0 0 -676.04 ± 124.55

Commit

Commit ID 5a7b45eac9dedbf7ebc61d9deb4dd934058d1ca1
Author protonspring
Date 2020-03-04 06:17:04 UTC
Use equations for PushAway and PushClose A functional simplification replacing the corresponding arrays. Tested in two variants, also the simpler one performs well, even though differences to master should be minimal. STC LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 57864 W: 11092 L: 11001 D: 35771 Ptnml(0-2): 826, 6458, 14320, 6455, 873 http://tests.stockfishchess.org/tests/view/5e5da5b6e42a5c3b3ca2e05c LTC LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 7198 W: 982 L: 883 D: 5333 Ptnml(0-2): 33, 575, 2296, 650, 45 http://tests.stockfishchess.org/tests/view/5e5df13ae42a5c3b3ca2e077 LTC (This exact version. . . more simplified) LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 5392 W: 729 L: 631 D: 4032 Ptnml(0-2): 23, 405, 1751, 485, 32 http://tests.stockfishchess.org/tests/view/5e5ead99e42a5c3b3ca2e0e4 closes https://github.com/official-stockfish/Stockfish/pull/2570 Bench 5123316
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