Dev Builds » 20210822-0715

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 06:55:37 581859 3992 666 1345 1981 -59.68 ± 5.24 11 861 925 194 5 -121.92 ± 11.19
ncm-dbt-02 06:54:38 586314 4000 664 1346 1990 -59.82 ± 5.19 14 853 935 197 1 -120.87 ± 11.12
ncm-dbt-03 06:54:45 583942 4006 666 1400 1940 -64.39 ± 5.06 11 882 941 168 1 -131.53 ± 11.07
ncm-dbt-04 06:54:43 568533 4002 629 1360 2013 -64.18 ± 5.09 9 890 925 177 0 -131.27 ± 11.18
ncm-dbt-05 06:53:32 581247 4000 651 1361 1988 -62.33 ± 5.12 16 857 948 179 0 -125.78 ± 11.03
20000 3276 6812 9912 -62.08 ± 2.3 61 4343 4674 915 7 -126.26 ± 4.97

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
436567 ncm-dbt-04 567363 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
436566 ncm-dbt-03 579001 6 1 2 3 -58.33 ± 98.71 0 1 2 0 0 -120.24 ± 264.77
436565 ncm-dbt-01 582318 492 85 165 242 -57.0 ± 14.51 1 101 122 21 1 -117.24 ± 30.75
436564 ncm-dbt-05 583321 500 72 177 251 -74.06 ± 14.6 3 118 110 19 0 -150.51 ± 32.56
436563 ncm-dbt-02 585379 500 85 166 249 -56.78 ± 15.12 1 109 110 30 0 -115.23 ± 32.58
436562 ncm-dbt-04 568713 500 81 161 258 -56.07 ± 14.7 0 108 114 28 0 -115.23 ± 32.0
436561 ncm-dbt-03 582277 500 96 177 227 -56.78 ± 15.51 2 109 107 32 0 -113.68 ± 33.0
436560 ncm-dbt-05 582318 500 87 171 242 -58.93 ± 13.58 1 100 131 18 0 -119.89 ± 29.37
436559 ncm-dbt-01 583614 500 79 170 251 -63.94 ± 14.37 2 108 119 21 0 -129.35 ± 31.2
436558 ncm-dbt-02 585042 500 87 169 244 -57.5 ± 13.94 0 104 124 22 0 -118.33 ± 30.49
436557 ncm-dbt-04 567284 500 82 185 233 -72.61 ± 14.27 2 117 113 18 0 -148.85 ± 32.06
436556 ncm-dbt-03 586308 500 78 171 251 -65.38 ± 14.14 1 111 118 20 0 -134.15 ± 31.33
436555 ncm-dbt-01 580489 500 81 177 242 -67.54 ± 14.78 3 112 113 22 0 -135.76 ± 32.12
436554 ncm-dbt-05 581402 500 70 165 265 -66.82 ± 14.48 2 112 115 21 0 -135.76 ± 31.8
436553 ncm-dbt-02 586604 500 92 170 238 -54.64 ± 14.63 3 97 125 25 0 -107.54 ± 30.4
436552 ncm-dbt-04 570108 500 77 176 247 -69.71 ± 14.03 1 115 116 18 0 -143.89 ± 31.59
436551 ncm-dbt-03 583908 500 85 172 243 -61.08 ± 14.38 1 107 121 20 1 -126.18 ± 30.9
436550 ncm-dbt-01 583572 500 98 171 231 -51.09 ± 16.1 2 107 104 36 1 -102.97 ± 33.37
436549 ncm-dbt-04 569869 500 85 172 243 -61.07 ± 14.65 2 107 117 24 0 -123.02 ± 31.54
436548 ncm-dbt-02 586181 500 69 178 253 -76.97 ± 14.13 1 124 108 17 0 -160.64 ± 32.85
436547 ncm-dbt-05 583363 500 82 172 246 -63.23 ± 14.06 2 105 124 19 0 -127.76 ± 30.41
436546 ncm-dbt-03 581361 500 80 169 251 -62.51 ± 14.31 0 112 115 23 0 -129.35 ± 31.83
436545 ncm-dbt-01 583196 500 87 164 249 -53.94 ± 15.63 0 111 107 30 2 -113.68 ± 33.0
436544 ncm-dbt-02 587282 500 83 163 254 -56.07 ± 14.96 2 104 116 28 0 -112.14 ± 31.71
436543 ncm-dbt-05 577602 500 92 159 249 -46.84 ± 15.14 2 96 119 33 0 -92.46 ± 31.31
436542 ncm-dbt-03 583405 500 77 183 240 -74.79 ± 14.49 4 115 114 17 0 -150.51 ± 31.88
436541 ncm-dbt-04 568077 500 75 167 258 -64.66 ± 13.69 0 110 122 18 0 -134.15 ± 30.68
436540 ncm-dbt-01 582569 500 74 167 259 -65.38 ± 14.42 2 110 117 21 0 -132.54 ± 31.5
436539 ncm-dbt-02 587028 500 76 159 265 -58.21 ± 13.97 2 99 129 20 0 -116.78 ± 29.72
436538 ncm-dbt-05 582152 500 86 179 235 -65.38 ± 14.97 3 111 112 24 0 -130.94 ± 32.29
436537 ncm-dbt-03 586731 500 81 182 237 -71.16 ± 14.08 1 117 114 18 0 -147.19 ± 31.9
436536 ncm-dbt-04 567958 500 73 163 264 -63.23 ± 14.88 1 114 109 26 0 -129.35 ± 32.75
436535 ncm-dbt-02 585885 500 87 164 249 -53.93 ± 15.63 4 101 113 32 0 -104.49 ± 32.14
436534 ncm-dbt-01 578259 500 84 163 253 -55.36 ± 14.26 0 103 124 22 1 -115.23 ± 30.51
436533 ncm-dbt-04 569629 500 83 171 246 -61.79 ± 13.99 0 109 120 21 0 -127.76 ± 31.05
436532 ncm-dbt-05 578712 500 83 161 256 -54.64 ± 14.49 2 99 124 25 0 -109.07 ± 30.54
436531 ncm-dbt-03 586477 500 83 167 250 -58.93 ± 14.01 0 106 122 22 0 -121.46 ± 30.78
436530 ncm-dbt-05 581111 500 79 177 244 -68.99 ± 14.28 1 116 113 20 0 -142.26 ± 32.1
436529 ncm-dbt-02 587113 500 85 177 238 -64.66 ± 14.94 1 115 110 23 1 -134.15 ± 32.59
436528 ncm-dbt-03 586012 500 85 177 238 -64.66 ± 13.69 2 104 128 16 0 -130.94 ± 29.72
436527 ncm-dbt-01 580862 500 78 168 254 -63.23 ± 14.2 1 109 119 21 0 -129.35 ± 31.2
436526 ncm-dbt-04 567799 500 73 164 263 -63.94 ± 14.91 3 109 114 24 0 -127.76 ± 31.99

Commit

Commit ID d754ea50a8be3091f02ab279fb9069f453cc1bcc
Author bmc4
Date 2021-08-22 07:15:19 UTC
Simplify Declaration on Pawn Move Generation Removes possible micro-optimization in favor of readability. STC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 75432 W: 5824 L: 5777 D: 63831 Ptnml(0-2): 178, 4648, 28036, 4657, 197 https://tests.stockfishchess.org/tests/view/611fa7f84977aa1525c9cb75 LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 41200 W: 1156 L: 1106 D: 38938 Ptnml(0-2): 13, 981, 18562, 1031, 13 https://tests.stockfishchess.org/tests/view/611fcc694977aa1525c9cb9b Closes https://github.com/official-stockfish/Stockfish/pull/3669 No functional change
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