Dev Builds » 20201028-2240

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 14:23:41 1133083 4962 797 1756 2409 -68.0 +/- 4.99 65 1080 1088 245 3 -131.56 +/- 10.33
ncm-dbt-02 14:19:13 1254505 4888 781 1727 2380 -68.1 +/- 4.93 50 1081 1083 225 5 -134.41 +/- 10.35
ncm-dbt-03 14:23:42 1256094 4908 737 1751 2420 -72.83 +/- 4.81 47 1124 1082 198 3 -145.24 +/- 10.34
ncm-dbt-04 00:30:18 1471604 168 30 54 84 -49.97 +/- 25.94 1 32 41 10 0 -97.62 +/- 53.61
ncm-dbt-05 14:19:40 1255861 4906 753 1792 2361 -74.71 +/- 4.93 64 1121 1061 204 3 -146.65 +/- 10.45
ncm-dbt-06 00:30:14 1491701 168 27 63 78 -75.62 +/- 27.79 1 43 32 7 1 -159.18 +/- 61.02
20000 3125 7143 9732 -70.76 +/- 2.44 228 4481 4387 889 15 -139.2 +/- 5.14

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
211983 ncm-dbt-02 1248083 228 33 91 104 -90.36 +/- 24.47 6 55 44 9 0 -171.09 +/- 51.94
211982 ncm-dbt-05 1243518 236 32 79 125 -70.13 +/- 21.34 1 55 52 10 0 -143.0 +/- 47.61
211981 ncm-dbt-03 1221944 242 38 88 116 -72.83 +/- 22.68 2 58 50 10 1 -149.25 +/- 48.62
211980 ncm-dbt-01 1091216 294 51 106 137 -65.77 +/- 21.56 3 68 58 17 1 -131.16 +/- 44.86
211979 ncm-dbt-02 1225689 500 77 178 245 -71.16 +/- 15.45 4 118 103 25 0 -142.26 +/- 33.69
211978 ncm-dbt-05 1220510 500 70 171 259 -71.16 +/- 15.84 7 112 106 25 0 -137.37 +/- 33.21
211977 ncm-dbt-03 1206534 500 71 179 250 -76.25 +/- 14.67 4 118 110 18 0 -153.86 +/- 32.54
211976 ncm-dbt-01 1096479 500 71 192 237 -85.78 +/- 16.15 8 128 91 23 0 -169.27 +/- 35.77
211975 ncm-dbt-02 1228600 500 81 183 236 -71.89 +/- 15.86 6 114 108 20 2 -143.89 +/- 32.9
211974 ncm-dbt-05 1232528 500 72 172 256 -70.43 +/- 14.89 6 107 118 19 0 -137.37 +/- 31.31
211973 ncm-dbt-03 1231985 500 76 171 253 -66.82 +/- 15.29 5 109 112 24 0 -130.94 +/- 32.29
211972 ncm-dbt-01 1094048 500 94 185 221 -63.94 +/- 16.43 10 100 111 29 0 -116.78 +/- 32.44
211971 ncm-dbt-02 1244594 500 74 171 255 -68.27 +/- 15.08 5 109 114 22 0 -134.15 +/- 31.97
211970 ncm-dbt-05 1242817 500 85 199 216 -80.63 +/- 16.27 12 110 109 18 1 -152.18 +/- 32.72
211969 ncm-dbt-03 1237380 500 86 174 240 -61.79 +/- 14.55 4 101 124 21 0 -121.46 +/- 30.47
211968 ncm-dbt-01 1091531 500 83 180 237 -68.27 +/- 16.11 10 102 113 25 0 -126.18 +/- 32.14
211967 ncm-dbt-02 1229689 500 81 163 256 -57.5 +/- 14.63 1 105 120 23 1 -118.33 +/- 31.1
211966 ncm-dbt-05 1247564 500 81 188 231 -75.52 +/- 15.98 7 118 100 25 0 -147.19 +/- 34.17
211965 ncm-dbt-03 1243806 500 78 193 229 -81.36 +/- 14.68 5 121 108 16 0 -164.07 +/- 32.83
211964 ncm-dbt-01 1092404 500 76 172 252 -67.54 +/- 16.21 7 111 103 29 0 -129.35 +/- 33.64
211963 ncm-dbt-02 1227235 500 78 180 242 -71.89 +/- 15.34 5 114 110 20 1 -143.89 +/- 32.58
211962 ncm-dbt-05 1219879 500 79 194 227 -81.36 +/- 14.68 5 121 108 16 0 -164.07 +/- 32.83
211961 ncm-dbt-03 1213456 500 74 178 248 -73.33 +/- 15.13 5 115 109 21 0 -145.54 +/- 32.74
211960 ncm-dbt-01 1095326 500 74 183 243 -76.97 +/- 14.7 3 122 106 19 0 -157.24 +/- 33.21
211959 ncm-dbt-02 1219869 500 76 173 251 -68.27 +/- 15.34 3 116 107 23 1 -138.99 +/- 33.06
211958 ncm-dbt-01 1098447 500 80 171 249 -63.95 +/- 15.56 5 107 113 24 1 -126.18 +/- 32.14
211957 ncm-dbt-05 1225278 500 66 187 247 -85.78 +/- 15.49 7 126 98 19 0 -171.02 +/- 34.58
211956 ncm-dbt-03 1226927 500 60 171 269 -78.43 +/- 15.82 6 123 97 24 0 -155.54 +/- 34.69
211955 ncm-dbt-02 1228450 500 96 162 242 -46.13 +/- 15.23 3 93 121 33 0 -89.48 +/- 31.03
211954 ncm-dbt-01 1107615 500 77 170 253 -65.38 +/- 14.83 4 106 120 19 1 -130.94 +/- 31.03
211953 ncm-dbt-03 1259159 500 66 186 248 -85.04 +/- 15.2 5 129 97 19 0 -172.78 +/- 34.76
211952 ncm-dbt-05 1232993 500 72 170 258 -68.99 +/- 15.24 3 116 108 22 1 -140.62 +/- 32.9
211951 ncm-dbt-01 1097216 500 84 183 233 -69.71 +/- 15.53 8 105 115 22 0 -132.54 +/- 31.82
211950 ncm-dbt-02 1222850 500 84 173 243 -62.51 +/- 14.98 4 105 117 24 0 -123.02 +/- 31.54
211949 ncm-dbt-03 1255494 500 83 172 245 -62.51 +/- 14.85 5 100 125 19 1 -123.02 +/- 30.3
211948 ncm-dbt-05 1221354 500 74 185 241 -78.43 +/- 15.69 8 116 105 21 0 -152.18 +/- 33.38
211947 ncm-dbt-03 1223830 500 77 176 247 -69.71 +/- 15.26 4 114 110 21 1 -140.62 +/- 32.58
211946 ncm-dbt-01 1093008 500 78 164 258 -60.36 +/- 15.41 4 106 112 28 0 -118.33 +/- 32.29
211945 ncm-dbt-05 1234465 500 88 190 222 -71.89 +/- 15.21 7 107 118 17 1 -140.62 +/- 31.28
211944 ncm-dbt-02 1226876 500 78 184 238 -74.79 +/- 16.09 10 109 108 23 0 -140.62 +/- 32.9
178276 ncm-dbt-02 1497626 160 23 69 68 -102.78 +/- 26.12 3 43 31 3 0 -208.68 +/- 62.12
178275 ncm-dbt-03 1496529 166 28 63 75 -74.36 +/- 25.17 2 36 40 5 0 -146.2 +/- 53.9
178274 ncm-dbt-05 1493572 170 34 57 79 -47.29 +/- 26.74 1 33 39 12 0 -92.02 +/- 55.06
178273 ncm-dbt-04 1471604 168 30 54 84 -49.97 +/- 25.94 1 32 41 10 0 -97.62 +/- 53.61
178272 ncm-dbt-06 1491701 168 27 63 78 -75.62 +/- 27.79 1 43 32 7 1 -159.18 +/- 61.02
178271 ncm-dbt-01 1506626 168 29 50 89 -43.65 +/- 26.66 3 25 46 10 0 -75.62 +/- 50.04

Commit

Commit ID 0f6c08c73f516873b312cb8fce0d824a2167b075
Author syzygy1
Date 2020-10-28 22:40:37 UTC
Do not skip non-recapture ttMove when in check The qsearch() MovePicker incorrectly skips a non-recapture ttMove when in check (if depth <= DEPTH_QS_RECAPTURES). This is clearly not intended and can cause qsearch() to return a mate score when there is no mate. Introduced in cad300c and 6596f0e, as observed by joergoster in #3171 and #3198. This PR fixes the bug by not skipping the non-recapture ttMove when in check. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/5f9867ea6a2c112b60691b10 LLR: 2.98 (-2.94,2.94) {-1.25,0.25} Total: 27112 W: 2943 L: 2842 D: 21327 Ptnml(0-2): 127, 2170, 8878, 2237, 144 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/5f9967326a2c112b60691bb0 LLR: 2.99 (-2.94,2.94) {-0.75,0.25} Total: 18392 W: 807 L: 738 D: 16847 Ptnml(0-2): 9, 655, 7802, 718, 12 closes https://github.com/official-stockfish/Stockfish/pull/3199 closes https://github.com/official-stockfish/Stockfish/pull/3198 Bench: 3870606
Copyright 2011–2024 Next Chess Move LLC