Dev Builds » 20200402-1256

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 06:25:27 584662 4000 78 2577 1345 -254.59 ± 6.68 598 1303 99 0 0 -638.21 ± 34.63
ncm-dbt-02 06:25:22 586059 4000 50 2630 1320 -266.37 ± 6.8 645 1291 63 1 0 -712.81 ± 43.75
ncm-dbt-03 06:27:00 585106 4000 54 2579 1367 -258.31 ± 6.65 604 1320 73 3 0 -678.31 ± 40.46
ncm-dbt-04 06:26:30 568951 4004 60 2629 1315 -264.36 ± 6.86 644 1282 75 1 0 -683.03 ± 39.97
ncm-dbt-05 06:27:23 582030 3996 62 2588 1346 -258.82 ± 6.84 622 1284 90 2 0 -647.26 ± 36.37
20000 304 13003 6693 -260.46 ± 3.03 3113 6480 400 7 0 -669.98 ± 17.07

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
467261 ncm-dbt-04 568434 4 0 4 0 -1161.37 ± 331.6 2 0 0 0 0 -1199.83 ± 312.71
467260 ncm-dbt-02 586477 500 7 326 167 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
467259 ncm-dbt-03 585970 500 6 317 177 -253.02 ± 17.54 69 173 8 0 0 -715.51 ± 146.53
467258 ncm-dbt-05 576414 496 11 327 158 -261.71 ± 20.64 82 153 12 1 0 -614.77 ± 109.18
467257 ncm-dbt-01 583112 500 8 331 161 -266.96 ± 20.12 84 155 11 0 0 -659.13 ± 116.77
467256 ncm-dbt-04 566099 500 10 335 155 -269.36 ± 21.22 89 147 14 0 0 -616.18 ± 100.06
467255 ncm-dbt-02 587325 500 4 320 176 -258.74 ± 17.09 70 176 4 0 0 -837.28 ± 240.94
467254 ncm-dbt-03 584453 500 8 318 174 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
467253 ncm-dbt-05 582945 500 7 321 172 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
467252 ncm-dbt-01 586350 500 16 323 161 -248.52 ± 19.6 75 157 18 0 0 -571.09 ± 86.01
467251 ncm-dbt-04 568037 500 7 317 176 -251.89 ± 18.23 71 168 11 0 0 -659.13 ± 116.77
467250 ncm-dbt-02 583992 500 8 337 155 -274.22 ± 20.44 88 153 9 0 0 -694.7 ± 134.18
467249 ncm-dbt-03 584495 500 6 330 164 -268.16 ± 20.8 85 156 7 2 0 -659.17 ± 146.32
467248 ncm-dbt-04 567244 500 4 325 171 -264.59 ± 18.11 76 169 5 0 0 -798.18 ± 231.48
467247 ncm-dbt-05 583908 500 6 338 156 -277.92 ± 20.6 90 152 8 0 0 -715.51 ± 146.53
467246 ncm-dbt-01 585379 500 11 313 176 -243.0 ± 17.61 65 172 13 0 0 -629.41 ± 104.8
467245 ncm-dbt-02 584832 500 3 316 181 -255.29 ± 16.66 67 179 4 0 0 -837.28 ± 240.94
467244 ncm-dbt-04 568514 500 8 339 153 -276.68 ± 20.45 89 153 8 0 0 -715.51 ± 146.53
467243 ncm-dbt-03 583908 500 6 322 172 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
467242 ncm-dbt-05 583028 500 7 320 173 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
467241 ncm-dbt-01 585253 500 5 327 168 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
467240 ncm-dbt-02 585421 500 8 324 168 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
467239 ncm-dbt-05 583698 500 10 314 176 -245.2 ± 17.9 66 173 10 1 0 -643.7 ± 122.54
467238 ncm-dbt-04 571070 500 7 326 167 -262.24 ± 19.8 80 160 9 1 0 -659.17 ± 131.36
467237 ncm-dbt-03 586139 500 11 312 177 -241.91 ± 18.73 68 166 15 1 0 -581.4 ± 95.42
467236 ncm-dbt-01 582527 500 9 323 168 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
467235 ncm-dbt-02 588984 500 9 325 166 -258.74 ± 19.63 79 158 13 0 0 -629.41 ± 104.8
467234 ncm-dbt-01 587409 500 11 323 166 -254.15 ± 19.31 76 160 14 0 0 -616.18 ± 100.06
467233 ncm-dbt-04 571230 500 9 332 159 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
467232 ncm-dbt-05 583656 500 6 319 175 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
467231 ncm-dbt-03 584748 500 8 319 173 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
467230 ncm-dbt-02 584076 500 4 345 151 -289.35 ± 21.35 97 147 6 0 0 -766.17 ± 188.02
467229 ncm-dbt-01 584076 500 9 313 178 -245.19 ± 17.36 65 174 11 0 0 -659.13 ± 116.77
467228 ncm-dbt-04 569470 500 10 325 165 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
467227 ncm-dbt-05 580904 500 11 318 171 -248.52 ± 19.6 75 157 18 0 0 -571.09 ± 86.01
467226 ncm-dbt-03 585506 500 3 329 168 -270.57 ± 18.83 81 164 5 0 0 -798.18 ± 231.48
467225 ncm-dbt-02 587367 500 7 337 156 -275.45 ± 20.87 89 153 7 1 0 -694.74 ± 156.93
467224 ncm-dbt-01 583196 500 9 324 167 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
467223 ncm-dbt-04 570469 500 5 326 169 -264.59 ± 18.11 76 169 5 0 0 -798.18 ± 231.48
467222 ncm-dbt-03 585632 500 6 332 162 -270.57 ± 19.71 84 158 8 0 0 -715.51 ± 146.53
467221 ncm-dbt-05 581693 500 4 331 165 -271.78 ± 19.86 85 157 8 0 0 -715.51 ± 146.53

Commit

Commit ID 375e4eeaf5e739c176c38ff05ae954bb60a98987
Author 31m059
Date 2020-04-02 12:56:30 UTC
Simplify a candidate passer condition. STC: LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 31528 W: 6208 L: 6061 D: 19259 Ptnml(0-2): 541, 3673, 7205, 3788, 557 https://tests.stockfishchess.org/tests/view/5e825db0e42a5c3b3ca2ee21 LTC: LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 38546 W: 5083 L: 5009 D: 28454 Ptnml(0-2): 299, 3628, 11362, 3668, 316 https://tests.stockfishchess.org/tests/view/5e826ec7e42a5c3b3ca2ee2a closes https://github.com/official-stockfish/Stockfish/pull/2607 Bench: 5139561
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