Dev Builds » 20211013-2134

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 06:52:49 584732 4000 714 1307 1979 -51.89 ± 5.07 6 788 1002 201 3 -105.63 ± 10.71
ncm-dbt-02 06:52:22 586273 4000 760 1302 1938 -47.37 ± 5.12 3 768 1000 226 3 -96.57 ± 10.74
ncm-dbt-03 06:53:13 586420 4000 738 1323 1939 -51.18 ± 5.21 15 781 979 224 1 -102.03 ± 10.86
ncm-dbt-04 06:53:10 571513 4000 727 1277 1996 -48.08 ± 5.12 3 775 993 227 2 -97.88 ± 10.78
ncm-dbt-05 06:54:13 584758 4000 747 1301 1952 -48.43 ± 5.28 14 773 967 245 1 -96.38 ± 10.94
20000 3686 6510 9804 -49.39 ± 2.31 41 3885 4941 1123 10 -99.69 ± 4.83

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
376264 ncm-dbt-05 582569 500 89 154 257 -45.42 ± 15.69 2 99 111 38 0 -89.48 ± 32.38
376263 ncm-dbt-02 586181 500 103 163 234 -41.89 ± 14.07 0 89 132 29 0 -85.04 ± 29.5
376262 ncm-dbt-01 586054 500 87 170 243 -58.21 ± 14.53 2 102 124 21 1 -118.33 ± 30.49
376261 ncm-dbt-03 586985 500 90 162 248 -50.38 ± 14.94 3 95 123 29 0 -98.44 ± 30.73
376260 ncm-dbt-04 569709 500 78 170 252 -64.66 ± 13.69 1 107 125 17 0 -132.54 ± 30.2
376259 ncm-dbt-03 581485 500 95 175 230 -56.07 ± 14.7 2 102 120 26 0 -112.14 ± 31.13
376258 ncm-dbt-05 588600 500 87 167 246 -56.07 ± 14.7 0 108 114 28 0 -115.23 ± 32.0
376257 ncm-dbt-01 584622 500 82 171 247 -62.51 ± 14.58 2 108 117 23 0 -126.18 ± 31.53
376256 ncm-dbt-02 584495 500 109 171 220 -43.3 ± 14.82 0 96 120 34 0 -88.0 ± 31.17
376255 ncm-dbt-04 570949 500 97 144 259 -32.76 ± 14.03 0 79 140 30 1 -67.55 ± 28.46
376254 ncm-dbt-05 583992 500 98 165 237 -46.84 ± 14.88 2 94 123 31 0 -92.46 ± 30.75
376253 ncm-dbt-02 587749 500 97 167 236 -48.96 ± 14.61 0 100 120 30 0 -99.95 ± 31.16
376252 ncm-dbt-01 582110 500 88 166 246 -54.65 ± 14.22 0 103 122 25 0 -112.14 ± 30.83
376251 ncm-dbt-03 588302 500 84 159 257 -52.51 ± 14.79 0 105 115 30 0 -107.54 ± 31.86
376250 ncm-dbt-04 570428 500 77 157 266 -56.07 ± 14.29 0 105 120 25 0 -115.23 ± 31.11
376249 ncm-dbt-05 585421 500 105 166 229 -42.6 ± 14.78 1 91 127 30 1 -86.52 ± 30.2
376248 ncm-dbt-03 587494 500 99 180 221 -56.78 ± 13.91 1 100 128 21 0 -115.23 ± 29.89
376247 ncm-dbt-02 588302 500 99 160 241 -42.6 ± 13.98 2 83 139 26 0 -83.57 ± 28.49
376246 ncm-dbt-01 585169 500 102 168 230 -46.13 ± 15.1 2 93 126 27 2 -93.95 ± 30.32
376245 ncm-dbt-04 572437 500 88 149 263 -42.6 ± 15.16 0 98 115 37 0 -86.52 ± 31.85
376244 ncm-dbt-05 586350 500 91 154 255 -44.01 ± 15.11 1 96 118 35 0 -88.0 ± 31.44
376243 ncm-dbt-03 585885 500 97 175 228 -54.64 ± 14.89 3 99 121 27 0 -107.54 ± 30.99
376242 ncm-dbt-02 585379 500 73 164 263 -63.95 ± 14.09 0 111 120 18 1 -134.15 ± 31.01
376241 ncm-dbt-01 581277 500 88 163 249 -52.51 ± 14.11 0 100 125 25 0 -107.54 ± 30.4
376240 ncm-dbt-04 570949 500 94 168 238 -51.8 ± 14.88 0 105 114 31 0 -106.01 ± 32.0
376239 ncm-dbt-05 583154 500 96 170 234 -51.8 ± 15.14 4 95 122 29 0 -99.95 ± 30.87
376238 ncm-dbt-02 587155 500 96 166 238 -48.96 ± 14.34 0 97 127 25 1 -101.46 ± 30.14
376237 ncm-dbt-04 572276 500 91 161 248 -48.96 ± 15.38 2 99 117 31 1 -98.44 ± 31.58
376236 ncm-dbt-03 588174 500 88 167 245 -55.36 ± 14.39 1 102 122 25 0 -112.14 ± 30.83
376235 ncm-dbt-01 586689 500 96 148 256 -36.26 ± 13.86 0 82 138 30 0 -73.34 ± 28.71
376234 ncm-dbt-02 585632 500 88 156 256 -47.55 ± 14.26 0 95 129 25 1 -98.44 ± 29.86
376233 ncm-dbt-03 586477 500 86 151 263 -45.42 ± 14.94 1 96 120 33 0 -90.97 ± 31.17
376232 ncm-dbt-05 584369 500 80 153 267 -51.09 ± 14.72 2 97 123 28 0 -101.46 ± 30.72
376231 ncm-dbt-01 585084 500 92 159 249 -46.84 ± 13.95 0 93 131 26 0 -95.44 ± 29.59
376230 ncm-dbt-04 572114 500 97 166 237 -48.25 ± 14.03 0 95 129 26 0 -98.44 ± 29.86
376229 ncm-dbt-02 585295 500 95 155 250 -41.89 ± 15.5 1 97 113 39 0 -83.57 ± 32.11
376228 ncm-dbt-05 583614 500 101 172 227 -49.67 ± 14.38 2 93 129 26 0 -98.44 ± 29.86
376227 ncm-dbt-01 586858 500 79 162 259 -58.21 ± 14.25 0 107 119 24 0 -119.89 ± 31.25
376226 ncm-dbt-03 586562 500 99 154 247 -38.37 ± 15.29 4 82 130 33 1 -73.34 ± 29.83
376225 ncm-dbt-04 573244 500 105 162 233 -39.78 ± 14.08 0 87 133 30 0 -80.63 ± 29.38

Commit

Commit ID 673841301b0cc6ed78c4db3e6ec2a0b9a010c8cb
Author Joseph Ellis
Date 2021-10-13 21:34:23 UTC
Simplify multi-cut condition Now that the multi-cut condition is safer, we can avoid the cost of the sub-search. STC: https://tests.stockfishchess.org/tests/view/6165fd9283dd501a05b0b2fe LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 18648 W: 4745 L: 4600 D: 9303 Ptnml(0-2): 47, 2111, 4887, 2208, 71 LTC: https://tests.stockfishchess.org/tests/view/616629ea83dd501a05b0b320 LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 41704 W: 10407 L: 10302 D: 20995 Ptnml(0-2): 35, 4425, 11823, 4538, 31 closes https://github.com/official-stockfish/Stockfish/pull/3738 Bench: 5905086
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