Dev Builds » 20211023-1027

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 09:28:44 1122161 3166 979 574 1613 +44.69 +/- 6.08 2 213 763 588 17 +87.39 +/- 12.33
ncm-dbt-02 10:17:11 1328580 3384 1044 596 1744 +46.27 +/- 5.86 2 218 823 628 21 +90.05 +/- 11.86
ncm-dbt-03 10:22:31 1336950 3434 1100 614 1720 +49.5 +/- 5.7 3 205 821 679 9 +99.78 +/- 11.88
ncm-dbt-04 10:20:09 1327551 3414 1117 620 1677 +50.94 +/- 5.67 1 188 851 647 20 +99.96 +/- 11.64
ncm-dbt-05 10:16:15 1335399 3418 1119 623 1676 +50.78 +/- 5.98 6 206 814 652 31 +98.29 +/- 11.93
ncm-dbt-06 09:27:45 1228930 3184 994 548 1642 +48.99 +/- 5.96 5 184 777 612 14 +97.88 +/- 12.2
20000 6353 3575 10072 +48.57 +/- 2.4 19 1214 4849 3806 112 +95.63 +/- 4.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
188766 ncm-dbt-02 1229967 140 41 27 72 +34.86 +/- 27.51 0 10 36 24 0 +70.44 +/- 57.17
188765 ncm-dbt-04 1223242 158 64 32 62 +71.35 +/- 25.89 0 5 39 33 2 +138.89 +/- 54.51
188764 ncm-dbt-05 1222880 168 61 31 76 +62.71 +/- 26.3 0 8 40 34 2 +120.41 +/- 54.28
188763 ncm-dbt-01 1112891 166 54 35 77 +39.94 +/- 29.06 0 14 39 27 3 +67.82 +/- 55.01
188762 ncm-dbt-06 1258572 184 51 37 96 +26.49 +/- 25.26 0 17 44 31 0 +53.28 +/- 51.72
188761 ncm-dbt-03 1222933 184 63 30 91 +62.99 +/- 23.35 0 8 43 41 0 +130.42 +/- 52.33
188760 ncm-dbt-02 1241920 500 163 90 247 +51.09 +/- 14.72 0 26 129 91 4 +98.44 +/- 29.86
188759 ncm-dbt-05 1242014 500 152 91 257 +42.6 +/- 15.41 1 32 126 87 4 +82.1 +/- 30.36
188758 ncm-dbt-04 1234830 500 166 80 254 +60.36 +/- 15.02 1 21 124 99 5 +118.33 +/- 30.49
188757 ncm-dbt-01 1118398 500 149 101 250 +33.46 +/- 15.37 0 40 125 82 3 +63.23 +/- 30.52
188756 ncm-dbt-06 1208412 500 176 84 240 +64.66 +/- 15.07 1 21 117 107 4 +129.35 +/- 31.52
188755 ncm-dbt-03 1256308 500 155 87 258 +47.55 +/- 14.79 0 32 118 100 0 +96.94 +/- 31.44
188754 ncm-dbt-02 1243208 500 158 86 256 +50.38 +/- 15.95 0 34 116 94 6 +93.95 +/- 31.72
188753 ncm-dbt-04 1221633 500 164 94 242 +48.96 +/- 14.2 0 25 132 91 2 +96.94 +/- 29.43
188752 ncm-dbt-05 1225014 500 165 87 248 +54.65 +/- 15.53 1 26 123 94 6 +104.49 +/- 30.71
188751 ncm-dbt-06 1244317 500 148 85 267 +44.01 +/- 15.11 0 34 121 93 2 +86.52 +/- 31.04
188750 ncm-dbt-01 1124079 500 165 75 260 +63.23 +/- 15.14 1 24 111 112 2 +129.35 +/- 32.44
188749 ncm-dbt-03 1231676 500 165 86 249 +55.36 +/- 15.69 0 35 102 112 1 +112.14 +/- 33.69
188748 ncm-dbt-02 1255683 500 143 95 262 +33.46 +/- 15.61 1 39 124 83 3 +64.66 +/- 30.65
188747 ncm-dbt-05 1219449 500 149 93 258 +39.08 +/- 15.33 1 35 123 89 2 +77.71 +/- 30.77
188746 ncm-dbt-01 1121589 500 159 92 249 +46.84 +/- 15.14 0 31 125 90 4 +89.48 +/- 30.48
188745 ncm-dbt-03 1214665 500 169 80 251 +62.51 +/- 14.85 0 23 119 104 4 +123.02 +/- 31.23
188744 ncm-dbt-06 1214388 500 153 92 255 +42.6 +/- 15.03 1 31 126 90 2 +85.04 +/- 30.35
188743 ncm-dbt-04 1217453 500 147 86 267 +42.6 +/- 14.78 0 34 121 95 0 +86.52 +/- 31.04
188742 ncm-dbt-02 1228623 500 147 80 273 +46.84 +/- 15.39 0 33 121 92 4 +89.48 +/- 31.03
188741 ncm-dbt-05 1224841 500 161 98 241 +44.01 +/- 14.73 0 30 130 87 3 +85.04 +/- 29.79
188740 ncm-dbt-06 1225324 500 170 84 246 +60.36 +/- 14.76 1 21 122 103 3 +121.46 +/- 30.78
188739 ncm-dbt-03 1228199 500 160 104 236 +39.08 +/- 15.33 2 33 123 91 1 +80.63 +/- 30.77
188738 ncm-dbt-04 1233257 500 152 100 248 +36.26 +/- 14.91 0 35 131 81 3 +68.99 +/- 29.71
188737 ncm-dbt-01 1121421 500 136 91 273 +31.35 +/- 14.98 0 39 129 80 2 +60.36 +/- 30.0
188736 ncm-dbt-02 1231548 500 154 94 252 +41.89 +/- 14.87 0 34 123 92 1 +83.57 +/- 30.77
188735 ncm-dbt-06 1224474 500 143 84 273 +41.19 +/- 14.7 0 33 126 90 1 +82.1 +/- 30.36
188734 ncm-dbt-05 1242647 500 171 90 239 +56.78 +/- 16.49 1 33 106 104 6 +109.07 +/- 33.13
188733 ncm-dbt-01 1125620 500 165 104 231 +42.6 +/- 15.54 0 38 115 95 2 +83.57 +/- 31.84
188732 ncm-dbt-03 1243804 500 160 101 239 +41.19 +/- 14.83 1 31 127 90 1 +83.57 +/- 30.21
188731 ncm-dbt-04 1233232 500 163 92 245 +49.67 +/- 15.42 0 33 116 98 3 +96.94 +/- 31.72
188730 ncm-dbt-06 1227023 500 153 82 265 +49.67 +/- 15.29 2 27 121 98 2 +101.46 +/- 31.01
188729 ncm-dbt-05 1243285 500 175 88 237 +61.08 +/- 16.67 2 29 106 106 7 +118.33 +/- 33.16
188728 ncm-dbt-02 1214117 500 162 83 255 +55.36 +/- 14.66 0 27 118 104 1 +112.14 +/- 31.42
188727 ncm-dbt-03 1227384 500 151 83 266 +47.55 +/- 14.26 0 28 126 96 0 +96.94 +/- 30.31
188726 ncm-dbt-01 1131134 500 151 76 273 +52.51 +/- 14.92 1 27 119 102 1 +107.54 +/- 31.29
188725 ncm-dbt-04 1216489 500 174 90 236 +58.93 +/- 14.69 0 23 124 99 4 +115.23 +/- 30.51
174389 ncm-dbt-03 1459315 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
174388 ncm-dbt-05 1456627 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
174387 ncm-dbt-04 1442562 6 3 2 1 +58.33 +/- 98.71 0 0 2 1 0 +120.24 +/- 264.77
174386 ncm-dbt-02 1463627 44 15 8 21 +55.73 +/- 52.55 0 2 12 7 1 +97.22 +/- 99.99
174385 ncm-dbt-03 1461235 50 15 6 29 +63.22 +/- 39.41 0 1 14 10 0 +130.94 +/- 89.9
174384 ncm-dbt-05 1456774 50 16 12 22 +27.85 +/- 42.16 0 3 15 7 0 +56.07 +/- 87.47
174383 ncm-dbt-04 1443855 50 17 8 25 +63.22 +/- 48.63 0 3 10 12 0 +130.94 +/- 112.59
174382 ncm-dbt-02 1457079 50 18 8 24 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174381 ncm-dbt-03 1460789 50 15 11 24 +27.84 +/- 54.17 0 5 12 7 1 +41.89 +/- 101.14
174380 ncm-dbt-04 1450281 50 12 11 27 +6.95 +/- 40.99 0 4 16 5 0 +13.9 +/- 83.23
174379 ncm-dbt-05 1455295 50 21 8 21 +92.45 +/- 47.1 0 2 8 15 0 +200.24 +/- 129.69
174378 ncm-dbt-02 1461240 50 14 5 31 +63.21 +/- 48.62 0 2 13 9 1 +115.23 +/- 96.38
174377 ncm-dbt-05 1457961 50 17 12 21 +34.86 +/- 47.98 0 4 12 9 0 +70.44 +/- 101.42
174376 ncm-dbt-03 1458267 50 15 10 25 +34.86 +/- 43.75 0 3 14 8 0 +70.44 +/- 92.08
174375 ncm-dbt-04 1448521 50 17 10 23 +48.96 +/- 42.0 0 2 14 9 0 +99.95 +/- 91.41
174374 ncm-dbt-05 1458708 50 16 6 28 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174373 ncm-dbt-02 1462134 50 13 13 24 -0.0 +/- 58.33 0 9 7 9 0 -0.0 +/- 120.13
174372 ncm-dbt-03 1457518 50 15 9 26 +41.89 +/- 40.64 0 2 15 8 0 +85.04 +/- 86.62
174371 ncm-dbt-04 1449692 50 21 7 22 +99.93 +/- 47.48 0 1 10 13 1 +200.24 +/- 114.26
174364 ncm-dbt-05 1454702 50 15 7 28 +56.05 +/- 51.65 0 3 12 9 1 +99.95 +/- 101.68
174363 ncm-dbt-04 1443119 50 17 8 25 +63.22 +/- 44.25 0 2 12 11 0 +130.94 +/- 101.68
174362 ncm-dbt-02 1453816 50 16 7 27 +63.24 +/- 52.65 1 1 11 12 0 +147.19 +/- 107.43
174361 ncm-dbt-03 1458259 50 17 7 26 +70.42 +/- 57.33 0 4 8 12 1 +130.94 +/- 122.89

Commit

Commit ID fc8213c7df7422c0c321db5fb066cbd08d3bf3f8
Author FauziAkram
Date 2021-10-23 10:27:32 UTC
Tuning of a Null Move Parameter STC: LLR: 2.99 (-2.94,2.94) <-0.50,2.50> Total: 78744 W: 19956 L: 19664 D: 39124 Ptnml(0-2): 259, 9005, 20573, 9255, 280 https://tests.stockfishchess.org/tests/view/6172017a38cb9784038af947 LTC: LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 68528 W: 17309 L: 16964 D: 34255 Ptnml(0-2): 41, 7194, 19455, 7527, 47 https://tests.stockfishchess.org/tests/view/6172994d38cb9784038af983 closes https://github.com/official-stockfish/Stockfish/pull/3756 bench: 6689428
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