Dev Builds » 20211021-0643

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 10:04:07 1286235 3366 1099 588 1679 +53.16 +/- 5.78 1 191 805 668 18 +105.07 +/- 11.99
ncm-dbt-02 09:57:32 1312958 3306 1062 595 1649 +49.41 +/- 5.81 1 193 816 624 19 +96.8 +/- 11.9
ncm-dbt-03 10:03:16 1314782 3346 1067 615 1664 +47.22 +/- 5.7 1 200 828 634 10 +94.24 +/- 11.81
ncm-dbt-04 10:03:48 1311506 3340 1113 568 1659 +57.2 +/- 5.82 2 176 787 685 20 +113.51 +/- 12.13
ncm-dbt-05 09:56:47 1317167 3296 1038 585 1673 +48.06 +/- 5.93 4 203 794 630 17 +95.07 +/- 12.08
ncm-dbt-06 10:02:53 1310886 3346 1069 571 1706 +52.1 +/- 5.85 2 194 801 656 20 +102.56 +/- 12.02
20000 6448 3522 10030 +51.2 +/- 2.37 11 1157 4831 3897 104 +101.2 +/- 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
186062 ncm-dbt-05 1211688 128 40 19 69 +57.51 +/- 32.03 0 8 29 25 2 +106.35 +/- 64.13
186061 ncm-dbt-02 1223302 146 54 27 65 +64.99 +/- 26.07 0 5 37 30 1 +129.41 +/- 55.9
186060 ncm-dbt-03 1239904 178 60 41 77 +37.23 +/- 24.19 0 12 46 31 0 +75.33 +/- 50.43
186059 ncm-dbt-06 1211219 178 62 24 92 +75.33 +/- 25.96 1 5 40 41 2 +153.75 +/- 54.3
186058 ncm-dbt-04 1225869 174 56 32 86 +48.22 +/- 25.71 0 11 42 33 1 +94.09 +/- 52.99
186057 ncm-dbt-01 1213093 196 62 39 95 +40.96 +/- 23.83 0 13 50 34 1 +79.35 +/- 48.37
186056 ncm-dbt-02 1222974 500 160 80 260 +56.07 +/- 14.43 0 24 124 100 2 +112.14 +/- 30.53
186055 ncm-dbt-05 1252445 500 170 83 247 +61.08 +/- 14.79 1 21 121 104 3 +123.02 +/- 30.92
186054 ncm-dbt-06 1210620 500 175 87 238 +61.79 +/- 15.98 0 29 111 103 7 +116.78 +/- 32.44
186053 ncm-dbt-03 1237642 500 164 88 248 +53.22 +/- 15.08 0 31 113 105 1 +107.54 +/- 32.15
186052 ncm-dbt-04 1229943 500 162 78 260 +58.93 +/- 15.48 0 30 109 108 3 +116.78 +/- 32.73
186051 ncm-dbt-01 1215272 500 166 92 242 +51.8 +/- 15.01 0 29 121 97 3 +101.46 +/- 31.01
186050 ncm-dbt-05 1219855 500 145 94 261 +35.56 +/- 15.37 1 38 121 89 1 +71.89 +/- 31.04
186049 ncm-dbt-02 1232298 500 156 97 247 +41.19 +/- 14.83 0 31 133 82 4 +77.71 +/- 29.4
186048 ncm-dbt-06 1233259 500 169 88 243 +56.78 +/- 14.73 0 28 113 109 0 +116.78 +/- 32.15
186047 ncm-dbt-03 1217340 500 155 94 251 +42.6 +/- 14.52 1 28 131 89 1 +86.52 +/- 29.64
186046 ncm-dbt-04 1238881 500 167 89 244 +54.65 +/- 15.91 1 32 108 106 3 +109.07 +/- 32.85
186045 ncm-dbt-01 1191685 500 160 92 248 +47.54 +/- 14.92 0 32 119 98 1 +95.44 +/- 31.3
186044 ncm-dbt-05 1242738 500 148 88 264 +41.89 +/- 15.37 0 38 115 96 1 +83.57 +/- 31.84
186043 ncm-dbt-02 1233475 500 160 94 246 +46.13 +/- 15.1 0 32 123 92 3 +89.48 +/- 30.76
186042 ncm-dbt-04 1238457 500 176 88 236 +61.79 +/- 15.73 1 25 115 103 6 +119.89 +/- 31.85
186041 ncm-dbt-03 1234653 500 163 98 239 +45.42 +/- 15.32 0 34 120 93 3 +88.0 +/- 31.17
186040 ncm-dbt-06 1250070 500 153 82 265 +49.67 +/- 14.38 1 23 132 92 2 +99.95 +/- 29.4
186039 ncm-dbt-01 1210283 500 157 95 248 +43.3 +/- 15.2 0 33 126 87 4 +82.1 +/- 30.36
186038 ncm-dbt-05 1243235 500 161 91 248 +48.96 +/- 14.47 1 25 128 95 1 +99.95 +/- 30.0
186037 ncm-dbt-04 1231402 500 168 84 248 +58.93 +/- 14.83 0 24 122 100 4 +115.23 +/- 30.81
186036 ncm-dbt-02 1212420 500 162 81 257 +56.78 +/- 15.51 1 29 110 108 2 +115.23 +/- 32.58
186035 ncm-dbt-03 1239721 500 163 94 243 +48.25 +/- 14.43 0 28 126 95 1 +96.94 +/- 30.31
186034 ncm-dbt-06 1212240 500 159 86 255 +51.09 +/- 14.58 0 28 122 99 1 +102.97 +/- 30.86
186033 ncm-dbt-01 1164563 500 161 72 267 +62.51 +/- 15.5 1 25 112 108 4 +124.6 +/- 32.29
186032 ncm-dbt-05 1253276 500 156 95 249 +42.6 +/- 16.38 1 38 116 89 6 +79.17 +/- 31.71
186031 ncm-dbt-02 1219067 500 153 94 253 +41.19 +/- 15.21 0 37 118 94 1 +82.1 +/- 31.44
186030 ncm-dbt-04 1233639 500 170 81 249 +62.51 +/- 14.44 0 23 116 110 1 +127.76 +/- 31.68
186029 ncm-dbt-03 1239765 500 150 78 272 +50.38 +/- 15.33 0 32 117 98 3 +98.44 +/- 31.58
186028 ncm-dbt-06 1229059 500 141 97 262 +30.65 +/- 15.31 0 43 121 85 1 +60.36 +/- 31.04
186027 ncm-dbt-01 1163869 500 171 91 238 +56.07 +/- 14.43 0 24 124 100 2 +112.14 +/- 30.53
186026 ncm-dbt-05 1241308 500 162 88 250 +51.8 +/- 14.49 0 26 126 96 2 +102.97 +/- 30.28
186025 ncm-dbt-02 1253747 500 162 93 245 +48.25 +/- 14.7 0 27 131 88 4 +92.46 +/- 29.6
186024 ncm-dbt-06 1251061 500 157 74 269 +58.21 +/- 15.45 0 27 119 98 6 +110.6 +/- 31.28
186023 ncm-dbt-03 1228676 500 156 89 255 +46.84 +/- 13.95 0 25 134 90 1 +93.95 +/- 29.15
186022 ncm-dbt-01 1199807 500 163 84 253 +55.36 +/- 15.19 0 30 113 105 2 +110.6 +/- 32.15
186021 ncm-dbt-04 1230047 500 162 82 256 +56.07 +/- 13.87 0 21 129 99 1 +113.68 +/- 29.75
173452 ncm-dbt-02 1461984 10 2 0 8 +70.36 +/- 79.51 0 0 3 2 0 +147.07 +/- 211.27
173451 ncm-dbt-04 1451016 16 4 1 11 +65.91 +/- 89.0 0 1 3 4 0 +136.97 +/- 241.58
173450 ncm-dbt-01 1447500 20 6 3 11 +52.5 +/- 71.65 0 1 5 4 0 +107.54 +/- 166.48
173449 ncm-dbt-05 1455293 18 6 6 6 0.0 +/- 95.01 0 3 3 3 0 -0.0 +/- 206.7
173448 ncm-dbt-06 1455593 18 5 3 10 +38.76 +/- 73.41 0 1 5 3 0 +78.52 +/- 162.75
173447 ncm-dbt-03 1454872 18 6 3 9 +58.41 +/- 55.66 0 0 6 3 0 +120.35 +/- 127.72
173446 ncm-dbt-02 1459003 50 16 9 25 +48.96 +/- 46.46 0 3 12 10 0 +99.95 +/- 101.68
173445 ncm-dbt-04 1449545 50 20 11 19 +63.21 +/- 44.24 0 1 15 8 1 +115.23 +/- 84.94
173444 ncm-dbt-06 1452340 50 18 9 23 +63.21 +/- 48.62 0 2 13 9 1 +115.23 +/- 96.38
173443 ncm-dbt-05 1455293 50 16 4 30 +85.03 +/- 36.28 0 0 13 12 0 +181.68 +/- 91.94
173442 ncm-dbt-03 1455886 50 19 9 22 +70.43 +/- 49.53 0 3 9 13 0 +147.19 +/- 118.91
173441 ncm-dbt-01 1449558 50 16 10 24 +41.89 +/- 45.18 0 3 13 9 0 +85.04 +/- 96.78
173440 ncm-dbt-02 1463778 50 20 11 19 +63.21 +/- 48.62 0 2 13 9 1 +115.23 +/- 96.38
173439 ncm-dbt-06 1457664 50 15 12 23 +20.87 +/- 44.85 0 4 14 7 0 +41.89 +/- 92.36
173438 ncm-dbt-04 1447639 50 17 12 21 +34.86 +/- 51.88 0 5 10 10 0 +70.44 +/- 110.15
173437 ncm-dbt-05 1456481 50 18 8 24 +70.43 +/- 49.53 0 3 9 13 0 +147.19 +/- 118.91
173436 ncm-dbt-03 1458260 50 17 7 26 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
173435 ncm-dbt-01 1447654 50 20 7 23 +92.43 +/- 42.19 0 0 13 11 1 +181.68 +/- 91.94
173434 ncm-dbt-02 1460490 50 17 9 24 +56.05 +/- 51.65 0 3 12 9 1 +99.95 +/- 101.68
173433 ncm-dbt-06 1456627 50 15 9 26 +41.89 +/- 49.33 0 4 11 10 0 +85.04 +/- 106.19
173432 ncm-dbt-05 1457230 50 16 9 25 +48.95 +/- 50.55 0 3 13 8 1 +85.04 +/- 96.78
173431 ncm-dbt-04 1450132 50 11 10 29 +6.95 +/- 36.09 0 3 18 4 0 +13.9 +/- 73.04
173430 ncm-dbt-03 1455891 50 14 14 22 0.0 +/- 47.48 0 6 13 6 0 -0.0 +/- 96.78
173429 ncm-dbt-01 1445301 50 17 3 30 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63

Commit

Commit ID 42a895d9c988e6d2db2cbae43a4992c853efee6e
Author bmc4
Date 2021-10-21 06:43:43 UTC
Simplify null move search condition Remove `ss->ttPv` condition on null move search condition STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 80832 W: 20276 L: 20221 D: 40335 Ptnml(0-2): 267, 9335, 21168, 9368, 278 https://tests.stockfishchess.org/tests/view/616ed4a0942d40685e3237c6 LTC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 54184 W: 13464 L: 13377 D: 27343 Ptnml(0-2): 37, 5758, 15435, 5805, 57 https://tests.stockfishchess.org/tests/view/616ef71f40f619782fd4f72d closes https://github.com/official-stockfish/Stockfish/pull/3750 bench: 6201607
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