Dev Builds » 20231115-1832

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 11:51:23 1204832 4000 1731 304 1965 +129.65 +/- 4.77 1 34 559 1349 57 +291.64 +/- 14.4
ncm-dbt-02 11:51:52 1235069 4000 1739 340 1921 +126.87 +/- 4.75 0 41 568 1342 49 +284.85 +/- 14.29
ncm-dbt-03 11:55:39 1229195 4000 1696 325 1979 +124.11 +/- 5.0 2 56 569 1315 58 +273.92 +/- 14.29
ncm-dbt-05 11:53:16 1226153 4000 1762 302 1936 +132.94 +/- 4.69 1 35 517 1397 50 +305.11 +/- 14.99
ncm-dbt-06 11:52:20 1235935 4000 1767 321 1912 +131.54 +/- 4.99 1 51 519 1359 70 +293.62 +/- 14.97
20000 8695 1592 9713 +129.01 +/- 2.17 5 217 2732 6762 284 +289.62 +/- 6.51

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
209284 ncm-dbt-02 1239443 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
209283 ncm-dbt-06 1228963 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
209282 ncm-dbt-05 1224334 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
209281 ncm-dbt-03 1233167 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
209280 ncm-dbt-01 1212501 500 213 41 246 +124.6 +/- 13.97 0 6 74 162 8 +273.0 +/- 39.95
209279 ncm-dbt-05 1240721 500 215 43 242 +124.6 +/- 13.45 0 6 71 168 5 +280.42 +/- 40.83
209278 ncm-dbt-02 1234685 500 226 42 232 +134.15 +/- 13.43 0 2 72 166 10 +298.62 +/- 40.29
209277 ncm-dbt-06 1235650 500 222 44 234 +129.35 +/- 13.72 1 3 70 169 7 +293.29 +/- 41.07
209276 ncm-dbt-03 1246123 500 221 42 237 +130.14 +/- 12.78 0 4 67 175 4 +301.33 +/- 42.04
209275 ncm-dbt-05 1221762 500 219 36 245 +133.34 +/- 12.49 0 4 62 181 3 +315.35 +/- 43.81
209274 ncm-dbt-01 1233014 500 210 36 254 +126.17 +/- 13.42 0 5 72 167 6 +282.94 +/- 40.5
209273 ncm-dbt-06 1236687 500 218 42 240 +127.76 +/- 14.27 0 6 72 162 10 +277.93 +/- 40.53
209272 ncm-dbt-02 1241965 500 218 36 246 +132.54 +/- 13.47 0 7 59 179 5 +306.84 +/- 44.88
209271 ncm-dbt-03 1236799 500 220 35 245 +134.95 +/- 13.41 0 3 68 170 9 +304.07 +/- 41.65
209270 ncm-dbt-06 1236125 500 218 30 252 +137.37 +/- 12.96 0 4 60 180 6 +321.19 +/- 44.57
209269 ncm-dbt-02 1243753 500 225 39 236 +135.76 +/- 14.29 0 9 54 179 8 +309.64 +/- 46.67
209268 ncm-dbt-05 1227044 500 220 33 247 +136.56 +/- 12.59 0 3 62 180 5 +321.19 +/- 43.77
209267 ncm-dbt-01 1184717 500 205 38 257 +120.67 +/- 13.5 0 6 76 163 5 +268.17 +/- 39.39
209266 ncm-dbt-03 1230163 500 215 45 240 +123.02 +/- 15.13 0 9 74 155 12 +258.75 +/- 39.96
209180 ncm-dbt-02 1229511 500 215 43 242 +124.6 +/- 12.53 0 1 81 163 5 +280.42 +/- 37.62
209179 ncm-dbt-05 1209579 500 224 30 246 +142.25 +/- 12.58 0 3 56 185 6 +339.63 +/- 46.2
209178 ncm-dbt-03 1218982 500 197 46 257 +108.3 +/- 13.73 0 8 87 151 4 +234.38 +/- 36.71
209177 ncm-dbt-01 1217688 500 232 39 229 +141.44 +/- 13.4 0 3 61 176 10 +324.17 +/- 44.15
209176 ncm-dbt-06 1232687 500 223 33 244 +138.99 +/- 14.57 0 5 64 167 14 +304.07 +/- 43.1
209175 ncm-dbt-02 1236794 500 208 43 249 +119.11 +/- 13.69 0 7 76 162 5 +263.42 +/- 39.41
209174 ncm-dbt-05 1239389 500 223 35 242 +137.37 +/- 13.53 0 5 60 177 8 +315.35 +/- 44.57
209173 ncm-dbt-03 1202928 500 200 40 260 +115.22 +/- 14.21 0 10 75 160 5 +251.89 +/- 39.67
209172 ncm-dbt-01 1192033 500 218 41 241 +128.55 +/- 13.91 0 7 66 170 7 +288.06 +/- 42.4
209171 ncm-dbt-06 1247973 500 219 50 231 +122.24 +/- 14.0 0 8 71 165 6 +270.57 +/- 40.83
209170 ncm-dbt-02 1197229 500 209 38 253 +123.81 +/- 13.63 0 6 73 165 6 +275.45 +/- 40.24
209169 ncm-dbt-03 1225801 500 224 38 238 +135.76 +/- 14.81 1 7 57 175 10 +306.84 +/- 45.58
209168 ncm-dbt-05 1225081 500 222 47 231 +126.97 +/- 13.58 0 4 75 163 8 +280.42 +/- 39.57
209167 ncm-dbt-01 1207252 500 221 39 240 +132.54 +/- 12.91 1 3 62 181 3 +315.35 +/- 43.81
209166 ncm-dbt-06 1237724 500 219 36 245 +133.34 +/- 13.99 0 7 61 174 8 +301.33 +/- 44.13
209165 ncm-dbt-02 1238595 500 216 46 238 +123.02 +/- 13.29 0 5 75 165 5 +275.45 +/- 39.63
209164 ncm-dbt-05 1234699 500 224 47 229 +128.55 +/- 13.91 1 3 72 166 8 +288.06 +/- 40.46
209163 ncm-dbt-01 1185121 500 214 35 251 +130.14 +/- 12.39 0 1 74 170 5 +298.62 +/- 39.56
209162 ncm-dbt-03 1215524 500 206 37 257 +122.24 +/- 14.0 0 8 71 165 6 +270.57 +/- 40.83
209161 ncm-dbt-06 1237265 500 226 42 232 +134.15 +/- 14.15 0 8 58 176 8 +304.07 +/- 45.19
209160 ncm-dbt-02 1253652 500 222 53 225 +122.24 +/- 13.12 0 4 78 163 5 +273.0 +/- 38.74
209159 ncm-dbt-01 1206335 500 218 35 247 +133.34 +/- 14.17 0 3 74 160 13 +288.06 +/- 39.79
209158 ncm-dbt-05 1212775 500 215 31 254 +134.15 +/- 13.8 0 7 59 177 7 +306.84 +/- 44.88
209156 ncm-dbt-03 1253270 500 213 42 245 +123.81 +/- 14.65 1 7 70 164 8 +273.0 +/- 41.13
209155 ncm-dbt-06 1230343 500 222 44 234 +129.35 +/- 15.07 0 10 63 166 11 +280.42 +/- 43.24

Commit

Commit ID 863a1f2b4cb233be3126b244cbd8f6c8b9b4d13c
Author Taras Vuk
Date 2023-11-15 18:32:59 UTC
Introduce recapture extensions When in a PV-node this patch extends ttMove if it is a recapture and has a good history. Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 83840 W: 21560 L: 21166 D: 41114 Ptnml(0-2): 343, 9905, 21027, 10305, 340 https://tests.stockfishchess.org/tests/view/654f4b02136acbc5735308ab Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 165318 W: 41068 L: 40476 D: 83774 Ptnml(0-2): 98, 18670, 44517, 19290, 84 https://tests.stockfishchess.org/tests/view/654fde04136acbc5735314e0 closes https://github.com/official-stockfish/Stockfish/pull/4872 Bench: 1393911
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