Dev Builds » 20230813-0952

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 09:55:28 1188734 3332 1439 265 1628 +127.9 +/- 5.34 1 38 460 1120 47 +286.18 +/- 15.9
ncm-dbt-02 09:52:33 1197809 3328 1405 303 1620 +119.55 +/- 5.41 0 52 497 1076 39 +262.72 +/- 15.29
ncm-dbt-03 09:57:07 1242135 3358 1399 290 1669 +119.21 +/- 5.3 1 51 494 1104 29 +265.68 +/- 15.34
ncm-dbt-04 09:56:15 1233762 3346 1401 337 1608 +114.45 +/- 5.4 0 57 529 1053 34 +249.45 +/- 14.82
ncm-dbt-05 09:54:16 1230308 3308 1391 292 1625 +119.98 +/- 5.5 1 48 503 1055 47 +261.45 +/- 15.2
ncm-dbt-06 09:56:48 1221670 3328 1404 273 1651 +122.96 +/- 5.32 0 40 496 1085 43 +271.69 +/- 15.3
20000 8439 1760 9801 +120.65 +/- 2.2 3 286 2979 6493 239 +265.96 +/- 6.24

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
199798 ncm-dbt-05 1223923 308 132 24 152 +127.22 +/- 16.41 0 2 45 104 3 +289.24 +/- 51.43
199797 ncm-dbt-02 1192808 328 135 34 159 +110.57 +/- 16.68 0 6 52 105 1 +246.17 +/- 47.85
199796 ncm-dbt-06 1206192 328 135 31 162 +114.09 +/- 16.02 0 4 53 106 1 +256.47 +/- 47.29
199795 ncm-dbt-01 1201624 332 144 21 167 +135.14 +/- 15.76 0 3 40 120 3 +317.44 +/- 54.99
199794 ncm-dbt-04 1225080 346 149 33 164 +121.16 +/- 17.51 0 6 51 110 6 +260.98 +/- 48.36
199793 ncm-dbt-03 1247367 358 145 24 189 +122.23 +/- 14.77 0 2 56 119 2 +278.43 +/- 45.77
199792 ncm-dbt-05 1229258 500 201 43 256 +113.68 +/- 13.89 0 8 81 156 5 +247.41 +/- 38.13
199791 ncm-dbt-06 1240888 500 219 40 241 +130.14 +/- 14.4 0 4 76 157 13 +277.93 +/- 39.29
199790 ncm-dbt-02 1195561 500 215 37 248 +129.35 +/- 13.9 0 8 62 174 6 +293.29 +/- 43.72
199789 ncm-dbt-01 1211693 500 226 38 236 +137.37 +/- 13.34 0 2 68 170 10 +309.64 +/- 41.56
199788 ncm-dbt-04 1245836 500 213 46 241 +120.67 +/- 13.32 0 6 75 165 4 +270.57 +/- 39.67
199787 ncm-dbt-03 1240835 500 202 45 253 +112.91 +/- 13.73 0 6 87 151 6 +243.0 +/- 36.62
199786 ncm-dbt-05 1218263 500 214 53 233 +116.0 +/- 14.85 0 10 78 153 9 +245.2 +/- 38.89
199785 ncm-dbt-06 1212077 500 213 32 255 +131.74 +/- 14.54 0 7 66 166 11 +288.06 +/- 42.4
199784 ncm-dbt-01 1148221 500 216 42 242 +126.17 +/- 13.24 0 7 65 175 3 +290.66 +/- 42.73
199783 ncm-dbt-02 1198609 500 211 53 236 +113.68 +/- 14.69 0 10 80 152 8 +240.82 +/- 38.39
199782 ncm-dbt-04 1248986 500 209 53 238 +112.14 +/- 13.56 0 8 81 158 3 +247.41 +/- 38.13
199781 ncm-dbt-03 1253764 500 216 46 238 +123.02 +/- 13.11 0 6 71 170 3 +280.42 +/- 40.83
199780 ncm-dbt-05 1229525 500 215 35 250 +130.94 +/- 13.51 0 5 67 171 7 +295.94 +/- 42.08
199779 ncm-dbt-06 1214642 500 209 54 237 +111.37 +/- 13.56 0 7 85 154 4 +243.0 +/- 37.13
199778 ncm-dbt-01 1200277 500 214 37 249 +128.55 +/- 13.56 0 7 64 174 5 +293.29 +/- 43.07
199777 ncm-dbt-02 1197916 500 210 48 242 +116.77 +/- 13.54 0 5 84 155 6 +254.16 +/- 37.27
199776 ncm-dbt-04 1228065 500 211 51 238 +115.22 +/- 14.69 0 11 75 157 7 +247.41 +/- 39.65
199775 ncm-dbt-03 1227439 500 219 35 246 +134.15 +/- 11.86 0 4 58 188 0 +327.18 +/- 45.37
199774 ncm-dbt-01 1199061 500 207 47 246 +115.23 +/- 14.21 1 6 81 156 6 +251.89 +/- 38.11
199773 ncm-dbt-05 1230279 500 206 45 249 +116.0 +/- 14.85 1 8 78 155 8 +249.64 +/- 38.9
199772 ncm-dbt-02 1200314 500 207 48 245 +114.45 +/- 14.53 0 9 81 152 8 +243.0 +/- 38.14
199771 ncm-dbt-04 1199037 500 213 50 237 +117.55 +/- 13.7 0 6 81 157 6 +256.44 +/- 38.07
199770 ncm-dbt-06 1222543 500 211 28 261 +133.34 +/- 12.29 0 3 64 180 3 +315.35 +/- 43.03
199769 ncm-dbt-03 1237891 500 208 45 247 +117.55 +/- 15.0 1 11 68 164 6 +258.75 +/- 41.54
199768 ncm-dbt-01 1178566 500 208 43 249 +119.11 +/- 14.68 0 10 73 159 8 +256.44 +/- 40.21
199767 ncm-dbt-02 1199837 500 212 48 240 +118.33 +/- 14.03 0 9 73 163 5 +261.07 +/- 40.24
199766 ncm-dbt-04 1245612 500 204 61 235 +102.22 +/- 14.18 0 10 92 143 5 +215.85 +/- 35.68
199765 ncm-dbt-05 1234441 500 217 46 237 +123.81 +/- 14.65 0 9 70 162 9 +268.17 +/- 41.1
199764 ncm-dbt-06 1221609 500 207 37 256 +123.02 +/- 13.65 0 7 71 167 5 +275.45 +/- 40.84
199763 ncm-dbt-03 1237801 500 200 41 259 +114.45 +/- 14.38 0 11 74 160 5 +249.64 +/- 39.91
199762 ncm-dbt-01 1181699 500 224 37 239 +136.56 +/- 13.92 0 3 69 166 12 +301.33 +/- 41.33
199761 ncm-dbt-04 1243718 500 202 43 255 +114.45 +/- 13.89 0 10 74 163 3 +254.16 +/- 39.94
199760 ncm-dbt-02 1199619 500 215 35 250 +130.94 +/- 13.14 0 5 65 175 5 +301.33 +/- 42.75
199759 ncm-dbt-05 1246471 500 206 46 248 +115.22 +/- 13.72 0 6 84 154 6 +249.64 +/- 37.33
199758 ncm-dbt-03 1249852 500 209 54 237 +111.37 +/- 14.69 0 11 80 152 7 +236.51 +/- 38.38
199757 ncm-dbt-06 1233740 500 210 51 239 +114.45 +/- 14.05 0 8 81 155 6 +247.41 +/- 38.13

Commit

Commit ID 495852fecdd9ce0fe0c1e9c0518f1bc01ccfa239
Author St├ęphane Nicolet
Date 2023-08-13 09:52:47 UTC
Simplify SEE pruning for captures It seems that the current search is smart enough to allow us to remove (again) the block of code that checks for discovered attacks after the first pruning condition for captures. STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 278848 W: 70856 L: 70903 D: 137089 Ptnml(0-2): 960, 32829, 71894, 32780, 961 https://tests.stockfishchess.org/tests/view/64d0af095b17f7c21c0dc440 LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 100704 W: 25564 L: 25425 D: 49715 Ptnml(0-2): 56, 10858, 28381, 11005, 52 https://tests.stockfishchess.org/tests/view/64d293e85b17f7c21c0df844 closes https://github.com/official-stockfish/Stockfish/pull/4736 Bench: 1470572
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