Dev Builds » 20220911-1215

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 10:06:06 1235584 3386 1334 377 1675 +100.94 +/- 5.73 3 93 574 990 33 +213.63 +/- 14.22
ncm-dbt-02 10:00:01 1264303 3332 1360 366 1606 +106.9 +/- 5.66 3 73 553 1001 36 +228.51 +/- 14.5
ncm-dbt-03 10:05:35 1269273 3374 1340 358 1676 +104.13 +/- 5.69 2 79 584 979 43 +218.75 +/- 14.1
ncm-dbt-04 10:04:21 1260681 3382 1333 414 1635 +96.84 +/- 5.62 1 90 620 949 31 +202.98 +/- 13.69
ncm-dbt-05 10:01:17 1136874 3352 1316 390 1646 +98.54 +/- 5.64 2 83 611 947 33 +206.98 +/- 13.79
ncm-dbt-06 09:28:45 1229422 3174 1272 331 1571 +106.19 +/- 5.57 1 55 564 936 31 +227.06 +/- 14.33
20000 7955 2236 9809 +102.2 +/- 2.31 12 473 3506 5802 207 +216.05 +/- 5.75

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
197684 ncm-dbt-02 1227361 138 56 17 65 +100.94 +/- 30.89 1 4 20 43 1 +222.52 +/- 77.77
197683 ncm-dbt-05 1214124 148 56 20 72 +86.23 +/- 26.16 0 4 31 38 1 +178.54 +/- 62.05
197682 ncm-dbt-06 1210411 174 70 24 80 +94.08 +/- 22.18 0 3 35 49 0 +204.43 +/- 58.14
197681 ncm-dbt-03 1228885 174 61 14 99 +96.23 +/- 25.25 0 6 29 51 1 +204.43 +/- 64.38
197680 ncm-dbt-04 1236559 178 66 19 93 +93.96 +/- 25.47 0 4 38 43 4 +183.13 +/- 55.67
197679 ncm-dbt-01 1228480 188 75 16 97 +112.84 +/- 22.76 0 4 28 61 1 +250.22 +/- 65.96
197678 ncm-dbt-02 1234074 500 206 41 253 +119.11 +/- 14.19 0 8 76 159 7 +258.75 +/- 39.42
197677 ncm-dbt-05 1223541 500 197 57 246 +99.95 +/- 15.48 0 15 89 137 9 +202.15 +/- 36.32
197676 ncm-dbt-06 1256773 500 203 59 238 +102.97 +/- 14.18 0 9 94 141 6 +215.85 +/- 35.23
197675 ncm-dbt-04 1239844 500 194 70 236 +88.0 +/- 14.7 0 19 89 141 1 +187.16 +/- 36.25
197674 ncm-dbt-03 1237884 500 199 50 251 +106.77 +/- 14.67 0 11 86 146 7 +223.94 +/- 36.98
197673 ncm-dbt-01 1198458 500 194 57 249 +97.69 +/- 15.17 1 13 90 140 6 +204.07 +/- 36.13
197672 ncm-dbt-02 1241674 500 204 53 243 +108.3 +/- 13.89 0 9 85 152 4 +234.38 +/- 37.19
197671 ncm-dbt-05 1238635 500 194 53 253 +100.71 +/- 14.47 1 9 93 142 5 +213.85 +/- 35.47
197670 ncm-dbt-06 1213423 500 189 48 263 +100.7 +/- 13.85 0 10 92 145 3 +215.85 +/- 35.68
197669 ncm-dbt-04 1237156 500 191 65 244 +89.48 +/- 15.16 1 14 99 130 6 +183.51 +/- 34.39
197668 ncm-dbt-03 1243332 500 203 52 245 +108.3 +/- 15.13 0 13 81 148 8 +226.0 +/- 38.11
197667 ncm-dbt-01 1206732 500 198 51 251 +105.25 +/- 14.51 0 15 75 158 2 +230.16 +/- 39.47
197666 ncm-dbt-02 1230036 500 202 56 242 +104.49 +/- 14.66 0 15 77 155 3 +226.0 +/- 38.98
197665 ncm-dbt-05 1212340 500 199 66 235 +94.69 +/- 14.54 0 13 96 136 5 +196.45 +/- 34.93
197664 ncm-dbt-06 1234647 500 203 42 255 +116.0 +/- 13.2 0 4 86 155 5 +254.16 +/- 36.71
197663 ncm-dbt-04 1233527 500 192 50 258 +101.46 +/- 13.85 0 10 91 146 3 +217.85 +/- 35.89
197662 ncm-dbt-03 1241368 500 207 63 230 +102.97 +/- 15.94 1 14 85 140 10 +209.91 +/- 37.16
197661 ncm-dbt-01 1180108 500 194 58 248 +96.94 +/- 15.85 1 14 93 132 10 +194.57 +/- 35.52
197660 ncm-dbt-02 1218693 500 208 48 244 +115.22 +/- 13.38 0 7 79 161 3 +256.44 +/- 38.62
197659 ncm-dbt-05 1217155 500 199 56 245 +102.22 +/- 14.78 0 13 87 144 6 +213.85 +/- 36.76
197658 ncm-dbt-04 1224062 500 209 59 232 +107.54 +/- 13.89 0 11 80 157 2 +236.51 +/- 38.38
197657 ncm-dbt-01 1192129 500 208 57 235 +108.3 +/- 14.68 1 10 81 153 5 +234.38 +/- 38.14
197656 ncm-dbt-03 1228674 500 200 63 237 +97.69 +/- 14.73 0 14 90 141 5 +204.07 +/- 36.13
197655 ncm-dbt-06 1235518 500 203 47 250 +112.14 +/- 13.73 0 6 88 150 6 +240.82 +/- 36.39
197654 ncm-dbt-05 1239494 500 198 64 238 +95.44 +/- 14.99 1 13 92 139 5 +200.24 +/- 35.72
197653 ncm-dbt-04 1219200 500 199 66 235 +94.69 +/- 15.12 0 16 91 137 6 +194.57 +/- 35.91
197652 ncm-dbt-02 1227981 500 200 64 236 +96.94 +/- 14.87 1 11 95 137 6 +202.15 +/- 35.11
197651 ncm-dbt-06 1238565 500 207 57 236 +107.54 +/- 14.05 0 9 87 149 5 +230.16 +/- 36.73
197650 ncm-dbt-03 1258961 500 187 49 264 +98.44 +/- 14.74 0 13 92 139 6 +204.07 +/- 35.72
197649 ncm-dbt-01 1201578 500 197 54 249 +102.22 +/- 15.37 0 19 73 154 4 +217.85 +/- 39.7
197648 ncm-dbt-04 1223348 500 206 60 234 +104.49 +/- 14.81 0 11 90 141 8 +215.85 +/- 36.11
197647 ncm-dbt-02 1253567 500 196 69 235 +90.22 +/- 15.86 1 17 94 130 8 +181.7 +/- 35.31
197646 ncm-dbt-05 1245948 500 198 45 257 +109.83 +/- 13.4 0 10 77 163 0 +247.41 +/- 39.15
197645 ncm-dbt-01 1199354 500 192 52 256 +99.95 +/- 14.15 0 11 92 143 4 +211.87 +/- 35.7
197644 ncm-dbt-03 1229883 500 201 53 246 +106.01 +/- 13.56 1 6 89 152 2 +234.38 +/- 36.22
197643 ncm-dbt-06 1216619 500 197 54 249 +102.22 +/- 15.37 1 14 82 147 6 +215.85 +/- 37.82
177283 ncm-dbt-05 503759 204 75 29 100 +79.71 +/- 22.63 0 6 46 48 2 +160.37 +/- 50.45
177282 ncm-dbt-02 1481045 194 88 18 88 +131.27 +/- 22.69 0 2 27 64 4 +288.33 +/- 67.45
177281 ncm-dbt-04 1471755 204 76 25 103 +88.73 +/- 21.84 0 5 42 54 1 +186.34 +/- 53.05
177280 ncm-dbt-03 1485199 200 82 14 104 +123.02 +/- 22.41 0 2 32 62 4 +263.42 +/- 61.37
177279 ncm-dbt-01 1477836 198 76 32 90 +78.51 +/- 23.05 0 7 42 49 1 +161.64 +/- 53.12

Commit

Commit ID 1591e5ac3b24f068f965471f17d7aae33ceaab9f
Author Michael Chaly
Date 2022-09-11 12:15:54 UTC
Do less singular extensions for former PVnode Patch is a reintroduction of logic what was simplified a while ago in a slightly different form. Do bigger extension offset in case of non-pv node having a pv. passed STC https://tests.stockfishchess.org/tests/view/631977c048f27688a06e66d5 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 23296 W: 6404 L: 6108 D: 10784 Ptnml(0-2): 88, 2539, 6118, 2795, 108 passed LTC https://tests.stockfishchess.org/tests/view/631989cb48f27688a06e696c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 235592 W: 63890 L: 63188 D: 108514 Ptnml(0-2): 275, 23392, 69804, 24006, 319 closes https://github.com/official-stockfish/Stockfish/pull/4159 Bench: 3993611
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