Dev Builds » 20210915-1550

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 06:52:09 582863 3996 694 1326 1976 -55.41 ± 5.27 10 837 930 217 4 -112.64 ± 11.16
ncm-dbt-02 06:51:40 585857 4000 704 1309 1987 -52.96 ± 5.16 13 791 987 206 3 -106.58 ± 10.8
ncm-dbt-03 06:50:59 584556 4000 708 1358 1934 -56.96 ± 5.1 7 834 962 196 1 -116.0 ± 10.95
ncm-dbt-04 06:53:27 568250 4012 711 1342 1959 -55.1 ± 5.09 5 825 975 198 3 -112.74 ± 10.88
ncm-dbt-05 06:53:28 584002 3992 715 1330 1947 -53.95 ± 5.19 12 804 971 205 4 -109.11 ± 10.9
20000 3532 6665 9803 -54.88 ± 2.31 47 4091 4825 1022 15 -111.41 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
436349 ncm-dbt-04 566651 12 3 3 6 -0.0 ± 81.87 0 1 4 1 0 -0.0 ± 173.65
436348 ncm-dbt-05 579413 492 96 172 224 -54.1 ± 14.92 1 102 115 28 0 -109.4 ± 31.85
436347 ncm-dbt-01 582945 496 80 165 251 -60.13 ± 15.1 3 105 114 26 0 -119.36 ± 31.99
436346 ncm-dbt-02 587834 500 94 161 245 -46.84 ± 14.36 1 93 128 28 0 -93.95 ± 30.03
436345 ncm-dbt-03 582819 500 86 172 242 -60.36 ± 14.07 1 105 123 21 0 -123.02 ± 30.61
436344 ncm-dbt-04 568196 500 95 167 238 -50.38 ± 15.2 0 105 113 31 1 -104.49 ± 32.14
436343 ncm-dbt-05 584285 500 85 161 254 -53.22 ± 14.69 0 105 116 29 0 -109.07 ± 31.72
436342 ncm-dbt-02 587664 500 88 154 258 -46.13 ± 14.58 2 91 128 29 0 -90.97 ± 30.05
436341 ncm-dbt-01 581735 500 93 169 238 -53.22 ± 15.08 2 102 116 30 0 -106.01 ± 31.72
436340 ncm-dbt-03 583321 500 84 165 251 -56.78 ± 13.91 0 103 125 22 0 -116.78 ± 30.34
436339 ncm-dbt-04 569350 500 96 167 237 -49.67 ± 13.83 0 95 131 24 0 -101.46 ± 29.54
436338 ncm-dbt-05 578342 500 93 157 250 -44.72 ± 13.97 1 88 135 26 0 -89.48 ± 29.04
436337 ncm-dbt-02 583950 500 82 164 254 -57.5 ± 14.22 0 106 120 24 0 -118.33 ± 31.1
436336 ncm-dbt-01 583112 500 87 163 250 -53.22 ± 14.95 1 103 118 27 1 -109.07 ± 31.43
436335 ncm-dbt-03 585211 500 93 158 249 -45.42 ± 14.55 1 93 126 30 0 -90.97 ± 30.33
436334 ncm-dbt-04 568673 500 92 164 244 -50.38 ± 14.41 1 97 125 27 0 -101.46 ± 30.43
436333 ncm-dbt-05 583908 500 92 160 248 -47.54 ± 14.26 1 93 129 27 0 -95.44 ± 29.88
436332 ncm-dbt-02 586689 500 93 177 230 -58.93 ± 15.48 5 101 118 25 1 -115.23 ± 31.41
436331 ncm-dbt-01 581319 500 81 171 248 -63.23 ± 15.01 1 115 107 27 0 -129.35 ± 33.05
436330 ncm-dbt-03 583824 500 91 169 240 -54.64 ± 14.49 1 102 121 26 0 -110.6 ± 30.98
436329 ncm-dbt-04 569549 500 82 154 264 -50.38 ± 14.0 0 97 128 25 0 -102.97 ± 29.98
436328 ncm-dbt-02 584495 500 89 156 255 -46.84 ± 15.01 2 93 127 26 2 -95.44 ± 30.17
436327 ncm-dbt-05 584579 500 88 172 240 -58.93 ± 14.01 1 103 125 21 0 -119.89 ± 30.32
436326 ncm-dbt-01 581319 500 93 158 249 -45.42 ± 15.19 0 100 116 33 1 -93.95 ± 31.72
436325 ncm-dbt-03 584832 500 88 172 240 -58.93 ± 14.29 0 107 121 21 1 -123.02 ± 30.92
436324 ncm-dbt-04 568792 500 91 166 243 -52.51 ± 13.98 0 99 127 24 0 -107.54 ± 30.1
436323 ncm-dbt-02 583950 500 90 154 256 -44.72 ± 14.24 0 93 128 29 0 -90.97 ± 30.05
436322 ncm-dbt-03 587452 500 89 176 235 -61.07 ± 14.65 2 107 117 24 0 -123.02 ± 31.54
436321 ncm-dbt-01 584453 500 88 161 251 -51.09 ± 14.85 1 100 121 27 1 -104.49 ± 31.0
436320 ncm-dbt-05 582152 500 78 166 256 -61.79 ± 14.82 2 108 117 22 1 -126.18 ± 31.53
436319 ncm-dbt-04 566691 500 85 167 248 -57.5 ± 14.49 1 105 119 25 0 -116.78 ± 31.26
436318 ncm-dbt-02 586689 500 86 166 248 -56.07 ± 14.83 0 109 112 29 0 -115.23 ± 32.29
436317 ncm-dbt-01 584579 500 84 171 245 -61.07 ± 14.79 1 111 112 26 0 -124.6 ± 32.29
436316 ncm-dbt-03 584201 500 88 180 232 -64.66 ± 14.94 1 116 107 26 0 -132.54 ± 33.05
436315 ncm-dbt-05 578383 500 85 166 249 -56.78 ± 15.51 4 101 119 24 2 -113.68 ± 31.27
436314 ncm-dbt-04 564801 500 89 175 236 -60.36 ± 15.28 1 113 108 27 1 -124.6 ± 32.89
436313 ncm-dbt-01 583447 500 88 168 244 -56.07 ± 14.29 1 101 126 21 1 -115.23 ± 30.2
436312 ncm-dbt-02 585590 500 82 177 241 -66.82 ± 13.92 3 105 126 16 0 -134.15 ± 30.02
436311 ncm-dbt-03 584790 500 89 166 245 -53.93 ± 14.46 1 101 122 26 0 -109.07 ± 30.84
436310 ncm-dbt-05 600957 500 98 176 226 -54.65 ± 15.28 2 104 115 28 1 -110.6 ± 31.86
436309 ncm-dbt-04 571551 500 78 179 243 -71.16 ± 14.08 2 113 120 14 1 -147.19 ± 30.88

Commit

Commit ID 723f48dec0eb05204b51cace54b033a5a85a66b9
Author SFisGOD
Date 2021-09-15 15:50:20 UTC
Update default net to nn-13406b1dcbe0.nnue SPSA 1: https://tests.stockfishchess.org/tests/view/6134abc425b9b35584838572 Parameters: A total of 64 net biases were tuned (hidden layer 1) Base net: nn-6762d36ad265.nnue New net: nn-c9fdeea14cb2.nnue SPSA 2: https://tests.stockfishchess.org/tests/view/61355b7e25b9b3558483860e Parameters: 256 net weights and 8 net biases (output layer) Base net: nn-c9fdeea14cb2.nnue New net: nn-0ddc28184f4c.nnue SPSA 3: https://tests.stockfishchess.org/tests/view/613737be0cd98ab40c0c9e4e Parameters: A total of 256 net biases were tuned (hidden layer 2) Base net: nn-0ddc28184f4c.nnue New net: nn-2419828bb394.nnue SPSA 4: https://tests.stockfishchess.org/tests/view/613966ff689039fce12e0fe7 Parameters: A total of 64 net biases were tuned (hidden layer 1) Base net: nn-2419828bb394.nnue New net: nn-05d9b1ee3037.nnue SPSA 5: https://tests.stockfishchess.org/tests/view/613b4a38689039fce12e1209 Parameters: 256 net weights and 8 net biases (output layer) Base net: nn-05d9b1ee3037.nnue New net: nn-98c6ce0fc15f.nnue SPSA 6: https://tests.stockfishchess.org/tests/view/613e331515591e7c9ebc3fe9 Parameters: A total of 256 net biases were tuned (hidden layer 2) Base net: nn-98c6ce0fc15f.nnue New net: nn-13406b1dcbe0.nnue STC: LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 82008 W: 21044 L: 20752 D: 40212 Ptnml(0-2): 264, 9341, 21525, 9587, 287 https://tests.stockfishchess.org/tests/view/613f7c6cf29dda16fcca870c LTC: LLR: 2.96 (-2.94,2.94) <0.50,3.50> Total: 182928 W: 46258 L: 45602 D: 91068 Ptnml(0-2): 107, 19448, 51712, 20076, 121 https://tests.stockfishchess.org/tests/view/613fccb97315e7c73204a48c Closes #3703 Bench: 6658747
Copyright 2011–2025 Next Chess Move LLC