Dev Builds » 20240303-1445

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 11:38:47 1192769 3992 1796 292 1904 +137.68 ± 4.77 0 36 487 1406 67 +315.3 ± 15.45
ncm-dbt-02 11:36:08 1234325 3980 1724 284 1972 +131.67 ± 4.85 2 45 508 1381 54 +299.63 ± 15.13
ncm-dbt-03 11:39:08 1235510 4014 1776 297 1941 +134.33 ± 4.67 0 28 533 1385 61 +305.82 ± 14.74
ncm-dbt-05 11:34:58 1225958 4000 1770 324 1906 +131.54 ± 4.87 3 36 537 1360 64 +296.27 ± 14.71
ncm-dbt-06 11:38:37 1231281 4014 1770 293 1951 +134.13 ± 4.68 0 35 514 1404 54 +307.55 ± 15.03
20000 8836 1490 9674 +133.87 ± 2.13 5 180 2579 6936 300 +304.83 ± 6.7

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
340228 ncm-dbt-03 1238364 14 5 1 8 +102.0 ± 106.13 0 0 4 2 1 +159.09 ± 177.81
340227 ncm-dbt-06 1242258 14 6 1 7 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
340226 ncm-dbt-02 1246392 480 219 31 230 +143.76 ± 14.69 1 6 46 178 9 +338.04 ± 50.77
340225 ncm-dbt-05 1220553 500 212 50 238 +116.78 ± 13.71 1 7 73 167 2 +265.78 ± 40.25
340224 ncm-dbt-01 1160073 492 220 38 234 +134.92 ± 14.11 0 3 70 161 12 +295.31 ± 40.99
340223 ncm-dbt-06 1219815 500 214 39 247 +126.97 ± 14.61 0 6 75 157 12 +270.57 ± 39.67
340222 ncm-dbt-03 1236628 500 217 26 257 +139.81 ± 13.07 0 4 58 181 7 +327.18 ± 45.37
340221 ncm-dbt-02 1236624 500 219 38 243 +131.74 ± 13.12 0 2 73 167 8 +295.94 ± 39.99
340220 ncm-dbt-01 1182261 500 225 37 238 +137.37 ± 13.53 0 5 60 177 8 +315.35 ± 44.57
340219 ncm-dbt-05 1219690 500 224 31 245 +141.44 ± 14.51 0 7 55 176 12 +318.25 ± 46.48
340218 ncm-dbt-06 1231465 500 215 28 257 +136.56 ± 12.39 0 3 61 182 4 +324.17 ± 44.15
340217 ncm-dbt-03 1224955 500 226 34 240 +140.62 ± 13.99 0 7 53 181 9 +324.17 ± 47.35
340216 ncm-dbt-02 1231520 500 205 34 261 +123.81 ± 12.73 0 3 77 166 4 +280.42 ± 38.93
340215 ncm-dbt-01 1208631 500 238 36 226 +148.85 ± 14.09 0 4 54 178 14 +339.63 ± 47.1
340214 ncm-dbt-05 1218338 500 213 44 243 +122.24 ± 14.5 2 5 71 166 6 +275.45 ± 40.84
340213 ncm-dbt-06 1235217 500 210 50 240 +115.22 ± 14.05 0 9 77 159 5 +251.89 ± 39.16
340212 ncm-dbt-03 1237412 500 225 29 246 +143.89 ± 13.7 0 5 54 181 10 +333.32 ± 47.06
340211 ncm-dbt-02 1235772 500 206 40 254 +119.89 ± 13.51 1 5 74 167 3 +273.0 ± 39.95
340210 ncm-dbt-01 1207206 500 217 40 243 +128.55 ± 14.08 0 9 61 174 6 +290.66 ± 44.0
340209 ncm-dbt-05 1196181 500 225 38 237 +136.56 ± 13.92 0 3 69 166 12 +301.33 ± 41.33
340208 ncm-dbt-06 1232215 500 219 33 248 +135.76 ± 13.39 0 5 61 177 7 +312.48 ± 44.19
340207 ncm-dbt-03 1239988 500 220 39 241 +131.74 ± 12.93 0 3 69 172 6 +301.33 ± 41.33
340206 ncm-dbt-02 1218922 500 214 38 248 +127.76 ± 14.27 0 10 60 174 6 +288.06 ± 44.27
340205 ncm-dbt-01 1194892 500 228 27 245 +148.02 ± 12.32 0 3 49 192 6 +363.2 ± 49.57
340204 ncm-dbt-05 1235749 500 236 48 216 +137.37 ± 12.96 0 4 60 180 6 +321.19 ± 44.57
340203 ncm-dbt-03 1221980 500 219 39 242 +130.94 ± 12.95 0 1 76 165 8 +293.29 ± 38.98
340202 ncm-dbt-06 1251089 500 232 34 234 +145.54 ± 12.64 0 3 53 187 7 +349.43 ± 47.56
340201 ncm-dbt-01 1183085 500 217 33 250 +134.15 ± 13.05 0 4 64 176 6 +309.64 ± 43.08
340200 ncm-dbt-05 1249586 500 211 38 251 +125.38 ± 12.51 0 0 83 161 6 +280.42 ± 36.95
340199 ncm-dbt-02 1240444 500 219 37 244 +132.54 ± 14.18 0 8 60 174 8 +298.62 ± 44.44
340198 ncm-dbt-06 1228316 500 221 36 243 +134.95 ± 12.84 0 3 65 176 6 +312.48 ± 42.67
340197 ncm-dbt-03 1239441 500 214 48 238 +119.89 ± 13.16 0 4 81 160 5 +265.78 ± 37.95
340196 ncm-dbt-01 1200482 500 225 41 234 +134.15 ± 12.86 0 3 66 175 6 +309.64 ± 42.33
340195 ncm-dbt-05 1232653 500 223 41 236 +132.54 ± 13.1 0 5 63 177 5 +306.84 ± 43.45
340194 ncm-dbt-02 1232880 500 228 30 242 +145.54 ± 13.64 0 5 52 183 10 +339.63 ± 47.98
340193 ncm-dbt-06 1216069 500 226 36 238 +138.99 ± 12.7 0 2 63 178 7 +324.17 ± 43.32
340192 ncm-dbt-03 1243414 500 225 43 232 +132.54 ± 12.52 0 1 72 171 6 +304.07 ± 40.16
340191 ncm-dbt-05 1234921 500 226 34 240 +140.62 ± 14.7 0 5 63 167 15 +306.84 ± 43.45
340190 ncm-dbt-01 1205524 500 226 40 234 +135.76 ± 13.76 0 5 63 173 9 +306.84 ± 43.45
340189 ncm-dbt-02 1232053 500 214 36 250 +129.35 ± 13.54 0 6 66 172 6 +293.29 ± 42.41
340188 ncm-dbt-06 1225087 500 227 36 237 +139.81 ± 12.87 0 4 57 183 6 +330.23 ± 45.79
340187 ncm-dbt-03 1237409 500 225 38 237 +136.56 ± 13.36 0 3 66 172 9 +309.64 ± 42.33

Commit

Commit ID b0ac8a4e3bad2ed1b066850b6f151ddbe48d1dc6
Author Gahtan Nahdi
Date 2024-03-03 14:45:13 UTC
Simplify extension when ttMove is assumed to fail high over current beta Simplify extension value to -3 when ttMove is assumed to fail high over current beta. Passed non-reg STC: https://tests.stockfishchess.org/tests/view/65d66ed81d8e83c78bfddcba LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 235136 W: 60711 L: 60708 D: 113717 Ptnml(0-2): 969, 27904, 59874, 27797, 1024 Passed non-reg LTC: https://tests.stockfishchess.org/tests/view/65da2994944f2a78d4733107 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 662850 W: 166161 L: 166602 D: 330087 Ptnml(0-2): 394, 74895, 181274, 74482, 380 closes https://github.com/official-stockfish/Stockfish/pull/5088 Bench: 1553115
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