Dev Builds » 20231202-1023

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 14:50:59 1115118 5008 2155 426 2427 +125.09 ± 4.3 0 66 697 1687 54 +281.01 ± 12.91
ncm-dbt-02 14:46:41 1229302 4994 2136 415 2443 +124.84 ± 4.21 0 51 725 1670 51 +280.93 ± 12.64
ncm-dbt-03 14:53:00 1237148 5006 2161 403 2442 +127.43 ± 4.32 0 52 715 1662 74 +283.45 ± 12.73
ncm-dbt-05 14:46:45 1230750 4992 2166 383 2443 +129.82 ± 4.25 2 47 675 1710 62 +294.81 ± 13.11
20000 8618 1627 9755 +126.79 ± 2.13 2 216 2812 6729 241 +284.98 ± 6.42

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
210919 ncm-dbt-03 1223586 6 3 0 3 +190.46 ± 18.51 0 0 0 3 0 +1199.83 ± 276.48
210918 ncm-dbt-01 1102766 8 3 2 3 +43.64 ± 153.21 0 1 1 2 0 +88.74 ± 710.5
210917 ncm-dbt-02 1211842 494 206 54 234 +110.48 ± 12.97 0 3 93 147 4 +240.38 ± 35.01
210916 ncm-dbt-05 1227779 492 212 24 256 +139.85 ± 12.6 0 4 54 184 4 +336.43 ± 47.09
210915 ncm-dbt-01 1112311 500 208 36 256 +124.6 ± 13.97 0 9 65 171 5 +280.42 ± 42.65
210914 ncm-dbt-03 1217574 500 222 40 238 +132.54 ± 13.83 0 8 58 178 6 +304.07 ± 45.19
210913 ncm-dbt-02 1241511 500 211 37 252 +126.17 ± 13.6 0 7 67 171 5 +285.49 ± 42.08
210912 ncm-dbt-05 1228870 500 216 45 239 +123.81 ± 13.28 0 5 74 166 5 +277.93 ± 39.92
210911 ncm-dbt-01 1119332 500 214 38 248 +127.76 ± 13.75 0 7 66 171 6 +288.06 ± 42.4
210910 ncm-dbt-03 1226049 500 230 37 233 +141.44 ± 14.15 0 4 62 171 13 +315.35 ± 43.81
210909 ncm-dbt-02 1229540 500 209 44 247 +119.11 ± 13.52 0 8 72 167 3 +268.17 ± 40.54
210908 ncm-dbt-01 1120154 500 218 42 240 +127.76 ± 13.57 0 7 65 173 5 +290.66 ± 42.73
210907 ncm-dbt-05 1232863 500 208 36 256 +124.6 ± 13.8 0 7 70 167 6 +277.93 ± 41.14
210906 ncm-dbt-03 1250335 500 213 48 239 +119.11 ± 13.17 0 5 79 162 4 +265.78 ± 38.54
210905 ncm-dbt-02 1218506 500 215 36 249 +130.14 ± 13.52 0 6 65 173 6 +295.94 ± 42.75
210904 ncm-dbt-01 1124403 500 211 52 237 +114.45 ± 14.21 0 9 79 156 6 +247.41 ± 38.64
210903 ncm-dbt-05 1242272 500 215 39 246 +127.76 ± 13.92 1 5 67 171 6 +290.66 ± 42.08
210902 ncm-dbt-03 1242455 500 227 46 227 +131.74 ± 12.93 0 1 75 166 8 +295.94 ± 39.27
210901 ncm-dbt-02 1225628 500 221 40 239 +131.74 ± 13.3 0 4 68 171 7 +298.62 ± 41.71
210900 ncm-dbt-01 1129048 500 210 48 242 +116.77 ± 13.19 0 8 73 168 1 +265.78 ± 40.25
210899 ncm-dbt-05 1219230 500 220 40 240 +130.94 ± 14.04 0 6 67 168 9 +290.66 ± 42.08
210898 ncm-dbt-03 1233166 500 210 37 253 +125.38 ± 13.43 0 7 67 172 4 +285.49 ± 42.08
210897 ncm-dbt-02 1230112 500 215 36 249 +130.14 ± 13.16 0 4 69 171 6 +295.94 ± 41.39
210896 ncm-dbt-01 1105598 500 221 33 246 +137.37 ± 13.71 0 6 58 178 8 +315.35 ± 45.33
210895 ncm-dbt-05 1212640 500 225 40 235 +134.95 ± 12.64 0 3 64 178 5 +315.35 ± 43.03
210894 ncm-dbt-03 1249716 500 226 43 231 +133.34 ± 13.63 0 3 71 166 10 +295.94 ± 40.69
210893 ncm-dbt-02 1228159 500 205 34 261 +123.81 ± 12.73 0 5 71 172 2 +285.49 ± 40.81
210892 ncm-dbt-01 1116934 500 223 46 231 +128.55 ± 13.38 0 3 75 164 8 +285.49 ± 39.5
210891 ncm-dbt-05 1213032 500 227 40 233 +136.56 ± 13.55 1 2 64 175 8 +315.35 ± 43.03
210890 ncm-dbt-03 1226901 500 208 29 263 +130.14 ± 14.06 0 7 65 170 8 +290.66 ± 42.73
210889 ncm-dbt-02 1229260 500 223 41 236 +132.54 ± 13.28 0 4 67 172 7 +301.33 ± 42.04
210888 ncm-dbt-01 1105882 500 212 44 244 +121.45 ± 12.95 0 5 75 167 3 +275.45 ± 39.63
210887 ncm-dbt-05 1251243 500 200 35 265 +119.11 ± 13.86 0 9 71 166 4 +265.78 ± 40.81
210886 ncm-dbt-03 1254828 500 208 34 258 +126.17 ± 12.87 0 2 78 164 6 +282.94 ± 38.55
210885 ncm-dbt-02 1237523 500 214 50 236 +118.33 ± 13.17 0 5 80 161 4 +263.42 ± 38.27
210884 ncm-dbt-05 1242112 500 226 34 240 +140.62 ± 13.24 0 3 61 177 9 +324.17 ± 44.15
210883 ncm-dbt-01 1111441 500 212 41 247 +123.81 ± 12.73 0 4 74 169 3 +282.94 ± 39.86
210882 ncm-dbt-03 1244717 500 207 45 248 +116.77 ± 14.21 0 9 76 159 6 +254.16 ± 39.42
210881 ncm-dbt-05 1237461 500 217 50 233 +120.67 ± 13.15 0 3 83 158 6 +265.78 ± 37.35
210880 ncm-dbt-01 1118431 500 223 44 233 +130.14 ± 14.23 0 7 66 168 9 +288.06 ± 42.4
210879 ncm-dbt-02 1240944 500 217 43 240 +126.17 ± 13.6 0 5 73 165 7 +280.42 ± 40.21
210878 ncm-dbt-03 1239309 500 207 44 249 +117.55 ± 14.2 0 6 84 151 9 +249.64 ± 37.33

Commit

Commit ID 13426a93c187c4953388a4484b8da69ee6f26fa3
Author Stefan Geschwentner
Date 2023-12-02 10:23:15 UTC
Simplify history update. Removal of the slowdown factor from the history update formula with corresponding adjustment of the stat bonus used in the search. Passed STC: https://tests.stockfishchess.org/tests/view/655e1079136acbc573544744 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 128096 W: 32355 L: 32235 D: 63506 Ptnml(0-2): 466, 15187, 32573, 15405, 417 Passed LTC: https://tests.stockfishchess.org/tests/view/655f4e60136acbc573546266 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 50652 W: 12653 L: 12459 D: 25540 Ptnml(0-2): 28, 5666, 13751, 5846, 35 closes https://github.com/official-stockfish/Stockfish/pull/4883 Bench: 1303857
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