Dev Builds » 20210713-1533

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 12:04:52 1229152 3986 959 920 2107 +3.4 +/- 5.24 4 437 1071 478 3 +6.97 +/- 10.38
ncm-dbt-02 11:59:14 1217535 3942 947 966 2029 -1.67 +/- 5.3 2 471 1046 448 4 -3.7 +/- 10.51
ncm-dbt-03 12:03:34 1226279 3978 962 960 2056 +0.17 +/- 5.46 9 474 1018 482 6 +0.87 +/- 10.67
ncm-dbt-04 00:31:09 1489553 164 39 38 87 +2.12 +/- 25.3 0 18 45 19 0 +4.24 +/- 50.87
ncm-dbt-05 11:59:06 1254820 3930 929 900 2101 +2.56 +/- 5.23 3 431 1066 464 1 +5.48 +/- 10.39
ncm-dbt-06 12:03:40 1255929 4000 973 936 2091 +3.21 +/- 5.34 4 461 1030 504 1 +6.95 +/- 10.61
20000 4809 4720 10471 +1.55 +/- 2.37 22 2292 5276 2395 15 +3.34 +/- 4.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
210111 ncm-dbt-02 1220845 148 33 38 77 -11.74 +/- 21.96 0 14 51 9 0 -23.51 +/- 44.25
210110 ncm-dbt-03 1236972 162 45 34 83 +23.63 +/- 23.74 0 11 48 22 0 +47.48 +/- 48.4
210109 ncm-dbt-05 1221151 264 67 58 139 +11.85 +/- 21.07 0 29 65 38 0 +23.73 +/- 42.44
210108 ncm-dbt-01 1196509 320 80 76 164 +4.34 +/- 18.31 0 35 86 39 0 +8.69 +/- 36.75
210107 ncm-dbt-06 1245837 328 81 77 170 +4.24 +/- 17.62 1 31 95 37 0 +10.6 +/- 34.6
210106 ncm-dbt-02 1256895 500 122 121 257 +0.69 +/- 15.6 1 60 128 59 2 -0.0 +/- 30.16
210105 ncm-dbt-03 1248262 500 130 109 261 +14.6 +/- 15.16 1 47 134 66 2 +27.85 +/- 29.39
210104 ncm-dbt-05 1215751 500 129 115 256 +9.73 +/- 14.12 1 44 145 60 0 +20.87 +/- 27.95
210103 ncm-dbt-01 1214419 500 112 124 264 -8.34 +/- 15.15 1 65 129 55 0 -15.3 +/- 30.04
210102 ncm-dbt-06 1224186 500 115 119 266 -2.78 +/- 15.77 1 66 119 64 0 -4.17 +/- 31.26
210101 ncm-dbt-02 1226286 500 111 118 271 -4.86 +/- 15.35 1 64 126 59 0 -8.34 +/- 30.41
210100 ncm-dbt-03 1246201 500 122 119 259 +2.08 +/- 15.11 0 60 127 63 0 +4.17 +/- 30.29
210099 ncm-dbt-05 1230794 500 119 114 267 +3.47 +/- 14.22 0 52 141 57 0 +6.95 +/- 28.5
210098 ncm-dbt-01 1190926 500 129 110 261 +13.21 +/- 14.28 0 46 139 65 0 +26.46 +/- 28.74
210097 ncm-dbt-06 1218395 500 119 116 265 +2.09 +/- 14.99 1 56 132 61 0 +5.56 +/- 29.66
210096 ncm-dbt-02 812568 500 114 134 252 -13.9 +/- 15.83 0 78 114 58 0 -27.85 +/- 31.87
210095 ncm-dbt-03 834927 500 117 113 270 +2.78 +/- 15.29 1 57 130 61 1 +5.56 +/- 29.91
210094 ncm-dbt-05 1226558 500 113 115 272 -1.39 +/- 14.93 0 60 133 56 1 -4.17 +/- 29.53
210093 ncm-dbt-02 1229982 128 38 29 61 +24.46 +/- 29.23 0 10 36 17 1 +43.66 +/- 56.69
210092 ncm-dbt-01 1222011 500 129 112 259 +11.82 +/- 14.3 1 43 145 60 1 +23.66 +/- 27.95
210091 ncm-dbt-06 1217023 500 137 117 246 +13.9 +/- 15.71 0 57 116 77 0 +27.85 +/- 31.63
210090 ncm-dbt-03 1242830 150 35 45 70 -23.2 +/- 23.59 0 19 47 9 0 -46.6 +/- 48.06
210089 ncm-dbt-05 1222072 500 120 108 272 +8.34 +/- 14.78 0 53 132 65 0 +16.69 +/- 29.66
210088 ncm-dbt-02 1231959 500 124 117 259 +4.86 +/- 14.6 0 54 135 61 0 +9.73 +/- 29.28
210087 ncm-dbt-01 1174390 500 108 117 275 -6.25 +/- 14.34 0 60 139 51 0 -12.51 +/- 28.76
210086 ncm-dbt-06 1232686 500 128 126 246 +1.39 +/- 15.42 0 62 125 62 1 +1.39 +/- 30.53
210085 ncm-dbt-03 1248101 500 120 133 247 -9.04 +/- 15.81 2 67 124 56 1 -16.69 +/- 30.66
210084 ncm-dbt-05 1233816 500 108 109 283 -0.69 +/- 14.87 1 57 134 58 0 -0.0 +/- 29.41
210083 ncm-dbt-06 1229465 500 99 119 282 -13.9 +/- 14.85 0 70 130 50 0 -27.85 +/- 29.9
210082 ncm-dbt-02 1240508 500 115 119 266 -2.78 +/- 14.8 0 60 135 54 1 -6.95 +/- 29.28
210081 ncm-dbt-01 1187460 500 114 114 272 -0.0 +/- 14.8 0 59 132 59 0 -0.0 +/- 29.66
210080 ncm-dbt-03 1222629 500 113 126 261 -9.03 +/- 15.92 2 69 119 60 0 -15.3 +/- 31.26
210079 ncm-dbt-05 1223654 500 121 125 254 -2.78 +/- 14.16 0 56 142 52 0 -5.56 +/- 28.37
210078 ncm-dbt-06 1213057 500 124 112 264 +8.34 +/- 14.39 1 47 141 61 0 +18.08 +/- 28.49
210077 ncm-dbt-02 1235110 500 129 135 236 -4.17 +/- 14.02 0 56 144 50 0 -8.34 +/- 28.1
210076 ncm-dbt-01 1204233 500 116 98 286 +12.51 +/- 14.61 0 48 137 64 1 +23.66 +/- 29.01
210075 ncm-dbt-03 1237574 500 118 127 255 -6.25 +/- 14.85 2 58 137 53 0 -9.73 +/- 29.02
210074 ncm-dbt-05 1223995 500 117 115 268 +1.39 +/- 14.93 1 56 133 60 0 +4.17 +/- 29.53
210073 ncm-dbt-06 1224445 500 127 108 265 +13.21 +/- 14.92 0 51 129 70 0 +26.46 +/- 30.03
210072 ncm-dbt-02 1225612 500 118 123 259 -3.47 +/- 14.48 0 59 137 54 0 -6.95 +/- 29.02
210071 ncm-dbt-03 1245289 500 124 118 258 +4.17 +/- 16.58 1 66 111 70 2 +6.95 +/- 32.21
210070 ncm-dbt-01 1188003 500 122 136 242 -9.73 +/- 15.74 2 68 122 58 0 -16.69 +/- 30.9
178090 ncm-dbt-03 1500007 166 38 36 92 +4.19 +/- 26.63 0 20 41 22 0 +8.37 +/- 53.59
178089 ncm-dbt-05 1495595 166 35 41 90 -12.56 +/- 26.54 0 24 41 18 0 -25.16 +/- 53.6
178088 ncm-dbt-02 1495592 166 43 32 91 +23.06 +/- 26.61 0 16 40 27 0 +46.32 +/- 54.29
178087 ncm-dbt-04 1489553 164 39 38 87 +2.12 +/- 25.3 0 18 45 19 0 +4.24 +/- 50.87
178086 ncm-dbt-06 1498270 172 43 42 87 +2.02 +/- 26.01 0 21 43 22 0 +4.04 +/- 52.31
178085 ncm-dbt-01 1484424 166 49 33 84 +33.59 +/- 26.54 0 13 42 27 1 +63.49 +/- 52.93

Commit

Commit ID dbd7f602d3c7622df294f87d7239b5aaf31f695f
Author Vizvezdenec
Date 2021-07-13 15:33:20 UTC
Remove second futility pruning depth limit This patch removes futility pruning lmrDepth limit for futility pruning at parent nodes. Since it's already capped by margin that is a function of lmrDepth there is no need to extra cap it with lmrDepth. passed STC https://tests.stockfishchess.org/tests/view/60e9b5dfd1189bed71812777 LLR: 2.97 (-2.94,2.94) <-2.50,0.50> Total: 14872 W: 1264 L: 1145 D: 12463 Ptnml(0-2): 37, 942, 5369, 1041, 47 passed LTC https://tests.stockfishchess.org/tests/view/60e9c635d1189bed71812790 LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 40336 W: 1280 L: 1225 D: 37831 Ptnml(0-2): 24, 1057, 17960, 1094, 33 closes https://github.com/official-stockfish/Stockfish/pull/3612 bench: 5064969
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