Dev Builds » 20210805-0652

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 06:57:34 583599 4006 481 1537 1988 -93.8 ± 5.07 31 1099 768 105 0 -196.33 ± 12.29
ncm-dbt-02 06:56:28 586121 4012 512 1481 2019 -85.61 ± 5.12 28 1036 821 119 2 -177.26 ± 11.88
ncm-dbt-03 06:57:27 586285 4002 548 1524 1930 -86.47 ± 5.2 42 1010 834 112 3 -176.44 ± 11.77
ncm-dbt-04 06:56:43 570943 3980 482 1479 2019 -88.93 ± 5.06 25 1056 801 107 1 -185.76 ± 12.02
ncm-dbt-05 06:54:26 585329 4000 549 1496 1955 -83.85 ± 5.15 23 1037 804 136 0 -173.67 ± 12.01
20000 2572 7517 9911 -87.72 ± 2.29 149 5238 4028 579 6 -181.79 ± 5.36

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
406305 ncm-dbt-03 587877 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
406304 ncm-dbt-01 584790 6 2 3 1 -58.33 ± 98.71 0 1 2 0 0 -120.24 ± 264.77
406303 ncm-dbt-02 585548 12 1 4 7 -88.66 ± 75.75 0 3 3 0 0 -190.73 ± 238.47
406302 ncm-dbt-04 569151 480 54 181 245 -94.16 ± 14.14 2 134 93 11 0 -200.64 ± 35.46
406301 ncm-dbt-03 585548 500 70 191 239 -85.78 ± 14.79 5 127 102 16 0 -174.55 ± 33.86
406300 ncm-dbt-05 585548 500 68 192 240 -88.0 ± 14.85 2 139 90 19 0 -185.33 ± 36.06
406299 ncm-dbt-02 586562 500 60 187 253 -90.22 ± 14.75 5 132 98 15 0 -185.33 ± 34.57
406298 ncm-dbt-01 585042 500 57 186 257 -91.71 ± 14.78 5 134 96 15 0 -189.0 ± 34.95
406297 ncm-dbt-04 572598 500 58 176 266 -83.57 ± 14.6 5 123 107 15 0 -169.27 ± 32.98
406296 ncm-dbt-05 584285 500 71 184 245 -79.9 ± 14.64 4 122 107 17 0 -162.35 ± 33.02
406295 ncm-dbt-02 586266 500 75 195 230 -85.04 ± 14.2 3 127 108 11 1 -178.11 ± 32.72
406294 ncm-dbt-03 584664 500 64 190 246 -89.48 ± 15.84 6 136 86 22 0 -181.7 ± 36.74
406293 ncm-dbt-01 581153 500 60 193 247 -94.69 ± 14.69 5 137 94 14 0 -196.45 ± 35.33
406292 ncm-dbt-04 570228 500 65 184 251 -84.3 ± 14.03 2 129 105 14 0 -176.33 ± 33.3
406291 ncm-dbt-05 585169 500 68 186 246 -83.57 ± 14.31 3 127 105 15 0 -172.78 ± 33.32
406290 ncm-dbt-01 584117 500 48 183 269 -96.19 ± 14.11 6 132 103 9 0 -198.34 ± 33.48
406289 ncm-dbt-02 587113 500 63 177 260 -80.63 ± 16.14 5 131 87 27 0 -162.35 ± 36.35
406288 ncm-dbt-03 585885 500 63 181 256 -83.57 ± 15.3 4 130 97 18 1 -172.78 ± 34.76
406287 ncm-dbt-04 571150 500 62 178 260 -82.1 ± 14.13 1 130 103 16 0 -172.78 ± 33.69
406286 ncm-dbt-05 582611 500 74 185 241 -78.43 ± 15.29 3 128 96 23 0 -160.64 ± 34.88
406285 ncm-dbt-03 587834 500 74 203 223 -91.71 ± 13.57 5 126 112 7 0 -189.0 ± 31.75
406284 ncm-dbt-01 581153 500 65 196 239 -93.2 ± 14.06 1 143 92 14 0 -200.24 ± 35.72
406283 ncm-dbt-02 586266 500 52 183 265 -93.2 ± 13.6 3 134 104 9 0 -196.45 ± 33.3
406282 ncm-dbt-04 569869 500 73 192 235 -84.3 ± 13.58 2 126 111 11 0 -176.33 ± 32.16
406281 ncm-dbt-01 583447 500 54 185 261 -93.2 ± 13.12 1 137 104 8 0 -200.24 ± 33.24
406280 ncm-dbt-05 587622 500 60 188 252 -90.97 ± 13.4 0 139 100 11 0 -196.45 ± 34.12
406279 ncm-dbt-03 587622 500 73 183 244 -77.71 ± 15.27 6 116 112 14 2 -157.24 ± 32.18
406278 ncm-dbt-02 586943 500 71 197 232 -89.48 ± 14.59 4 133 98 15 0 -185.33 ± 34.57
406277 ncm-dbt-04 569270 500 53 183 264 -92.45 ± 14.5 6 130 102 12 0 -189.0 ± 33.78
406276 ncm-dbt-05 581985 500 62 189 249 -90.22 ± 14.89 3 139 90 18 0 -189.0 ± 36.08
406275 ncm-dbt-02 586774 500 65 171 264 -74.79 ± 14.63 2 121 109 17 1 -155.54 ± 32.7
406274 ncm-dbt-01 585126 500 71 191 238 -85.04 ± 14.78 3 132 97 18 0 -176.33 ± 34.76
406273 ncm-dbt-03 585464 500 72 192 236 -85.04 ± 13.75 5 119 117 9 0 -172.78 ± 31.06
406272 ncm-dbt-05 588472 500 68 191 241 -87.26 ± 14.25 5 125 108 12 0 -178.11 ± 32.72
406271 ncm-dbt-04 572074 500 54 197 249 -102.22 ± 14.63 3 151 83 12 1 -221.9 ± 37.65
406270 ncm-dbt-02 584622 500 64 180 256 -82.1 ± 13.37 2 122 116 10 0 -171.02 ± 31.28
406269 ncm-dbt-01 584916 500 64 196 240 -93.95 ± 14.67 3 142 89 16 0 -198.34 ± 36.31
406268 ncm-dbt-03 581277 500 60 190 250 -92.45 ± 14.5 4 136 96 14 0 -192.71 ± 34.94
406267 ncm-dbt-05 586943 500 78 181 241 -72.61 ± 14.83 3 118 108 21 0 -147.19 ± 32.89
406266 ncm-dbt-04 573204 500 63 188 249 -88.74 ± 14.72 4 133 97 16 0 -183.51 ± 34.76
406265 ncm-dbt-02 585000 500 61 187 252 -89.48 ± 14.59 4 133 98 15 0 -185.33 ± 34.57
406264 ncm-dbt-03 590396 500 72 193 235 -85.78 ± 14.51 7 119 112 12 0 -171.02 ± 32.04
406263 ncm-dbt-01 582652 500 60 204 236 -102.97 ± 14.64 7 141 91 11 0 -213.85 ± 35.9

Commit

Commit ID 73ef5b8c4a3ef5e37cc62344d4393b1ee366b7b4
Author SFisGOD
Date 2021-08-05 06:52:07 UTC
Update default net to nn-46832cfbead3.nnue SPSA 1: https://tests.stockfishchess.org/tests/view/6100e7f096b86d98abf6a832 Parameters: A total of 256 net weights and 8 net biases were tuned (output layer) Base net: nn-56a5f1c4173a.nnue New net: nn-ec3c8e029926.nnue SPSA 2: https://tests.stockfishchess.org/tests/view/610733caafad2da4f4ae3da7 Parameters: A total of 256 net biases were tuned (hidden layer 2) Base net: nn-ec3c8e029926.nnue New net: nn-46832cfbead3.nnue STC: LLR: 2.98 (-2.94,2.94) <-0.50,2.50> Total: 50520 W: 3953 L: 3765 D: 42802 Ptnml(0-2): 138, 3063, 18678, 3235, 146 https://tests.stockfishchess.org/tests/view/610a79692a8a49ac5be793f4 LTC: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 57256 W: 1723 L: 1566 D: 53967 Ptnml(0-2): 12, 1442, 25568, 1589, 17 https://tests.stockfishchess.org/tests/view/610ac5bb2a8a49ac5be79434 Closes https://github.com/official-stockfish/Stockfish/pull/3642 Bench: 5359314
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