Dev Builds » 20250118-2002

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 06:49:48 584457 4000 1584 534 1882 +93.39 ± 4.97 3 97 761 1125 14 +200.0 ± 12.34
ncm-dbt-02 06:51:00 586960 4010 1555 545 1910 +89.43 ± 4.83 1 85 838 1065 16 +189.12 ± 11.7
ncm-dbt-03 06:50:02 587126 3992 1522 541 1929 +87.16 ± 5.07 3 116 790 1071 16 +183.95 ± 12.11
ncm-dbt-04 06:50:28 571427 4000 1553 522 1925 +91.62 ± 4.99 3 97 785 1096 19 +194.34 ± 12.14
ncm-dbt-05 06:49:25 584002 3998 1572 544 1882 +91.39 ± 4.78 1 80 819 1088 11 +195.16 ± 11.84
20000 7786 2686 9528 +90.59 ± 2.21 11 475 3993 5445 76 +192.47 ± 5.38

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396246 ncm-dbt-02 584411 10 5 2 3 +107.43 ± 84.35 0 0 2 3 0 +240.65 ± 570.11
396245 ncm-dbt-03 586858 492 205 61 226 +104.75 ± 14.51 0 13 79 151 3 +226.61 ± 38.58
396244 ncm-dbt-05 584622 498 197 52 249 +104.17 ± 12.91 0 4 99 143 3 +225.12 ± 33.88
396243 ncm-dbt-01 584916 500 192 75 233 +82.83 ± 13.85 1 11 109 128 1 +176.33 ± 32.55
396242 ncm-dbt-04 571431 500 191 86 223 +74.06 ± 14.18 1 15 113 120 1 +155.54 ± 32.01
396241 ncm-dbt-02 588047 500 196 63 241 +94.69 ± 13.46 0 9 101 138 2 +202.15 ± 33.85
396240 ncm-dbt-03 584117 500 187 63 250 +88.0 ± 13.5 0 12 102 136 0 +189.0 ± 33.78
396239 ncm-dbt-05 579620 500 206 83 211 +87.26 ± 13.49 0 10 109 129 2 +183.51 ± 32.46
396238 ncm-dbt-01 584411 500 195 62 243 +94.69 ± 13.46 0 9 101 138 2 +202.15 ± 33.85
396237 ncm-dbt-04 571632 500 205 73 222 +93.95 ± 14.67 1 12 95 138 4 +198.34 ± 35.12
396236 ncm-dbt-02 587325 500 197 71 232 +89.48 ± 14.59 1 12 101 132 4 +187.16 ± 33.99
396235 ncm-dbt-03 588302 500 183 73 244 +77.7 ± 14.72 0 19 105 123 3 +158.93 ± 33.37
396234 ncm-dbt-05 581111 500 192 61 247 +93.2 ± 13.44 0 10 100 139 1 +200.24 ± 34.09
396233 ncm-dbt-01 584664 500 198 55 247 +102.22 ± 14.18 0 13 83 152 2 +221.9 ± 37.65
396232 ncm-dbt-04 570669 500 186 59 255 +90.22 ± 14.31 0 14 98 135 3 +189.0 ± 34.56
396231 ncm-dbt-02 587707 500 199 59 242 +99.95 ± 12.34 0 3 105 141 1 +217.85 ± 32.63
396230 ncm-dbt-05 582652 500 197 68 235 +91.71 ± 14.04 0 15 91 144 0 +198.34 ± 35.92
396229 ncm-dbt-03 586266 500 180 71 249 +76.97 ± 14.56 0 18 108 121 3 +157.24 ± 32.87
396228 ncm-dbt-01 581610 500 197 69 234 +90.96 ± 14.17 0 15 93 141 1 +194.57 ± 35.52
396227 ncm-dbt-04 571793 500 193 60 247 +94.69 ± 13.78 0 11 97 140 2 +202.15 ± 34.7
396226 ncm-dbt-02 587028 500 177 61 262 +82.1 ± 13.37 0 12 110 128 0 +174.55 ± 32.38
396225 ncm-dbt-05 584453 500 193 68 239 +88.74 ± 13.68 0 13 99 138 0 +190.85 ± 34.36
396224 ncm-dbt-03 588217 500 194 63 243 +93.2 ± 13.6 0 10 101 137 2 +198.34 ± 33.9
396223 ncm-dbt-01 585337 500 208 63 229 +103.73 ± 14.19 0 13 81 154 2 +226.0 ± 38.11
396222 ncm-dbt-04 571110 500 186 68 246 +83.57 ± 14.31 0 15 105 127 3 +172.78 ± 33.32
396221 ncm-dbt-02 588771 500 187 67 246 +85.04 ± 13.44 0 11 109 129 1 +179.9 ± 32.5
396220 ncm-dbt-03 587707 500 198 67 235 +93.2 ± 14.81 1 14 91 141 3 +198.34 ± 35.92
396219 ncm-dbt-05 588004 500 187 66 247 +85.78 ± 13.77 1 10 107 131 1 +183.51 ± 32.85
396218 ncm-dbt-04 570989 500 200 57 243 +102.22 ± 13.7 0 10 89 149 2 +221.9 ± 36.31
396217 ncm-dbt-01 582235 500 196 82 222 +80.63 ± 14.38 1 14 107 126 2 +169.27 ± 32.98
396216 ncm-dbt-02 588132 500 195 81 224 +80.63 ± 14.23 0 15 109 123 3 +165.8 ± 32.64
396215 ncm-dbt-03 586689 500 193 77 230 +82.1 ± 14.98 2 16 97 134 1 +176.33 ± 34.76
396214 ncm-dbt-05 586223 500 204 67 229 +97.69 ± 13.17 0 7 101 140 2 +209.91 ± 33.74
396213 ncm-dbt-04 570268 500 191 56 253 +96.19 ± 14.56 1 11 94 140 4 +204.07 ± 35.31
396212 ncm-dbt-01 586181 500 202 59 239 +102.22 ± 13.54 0 9 91 148 2 +221.9 ± 35.86
396211 ncm-dbt-02 585970 500 196 68 236 +90.96 ± 14.02 0 12 101 134 3 +190.85 ± 33.97
396210 ncm-dbt-05 585337 500 196 79 225 +82.83 ± 13.54 0 11 113 124 2 +172.78 ± 31.83
396209 ncm-dbt-03 588856 500 182 66 252 +82.1 ± 13.83 0 14 107 128 1 +172.78 ± 32.96
396208 ncm-dbt-01 586308 500 196 69 235 +90.22 ± 14.46 1 13 96 138 2 +192.71 ± 34.94
396207 ncm-dbt-04 573527 500 201 63 236 +98.44 ± 13.18 0 9 94 147 0 +215.85 ± 35.23
396206 ncm-dbt-02 585253 500 203 73 224 +92.45 ± 13.74 0 11 100 137 2 +196.45 ± 34.12

Commit

Commit ID b392ac76db4d2334746a3621dd0c851679a08ca8
Author Nonlinear2
Date 2025-01-18 20:02:04 UTC
Increase history bonus of TT moves Passed STC: https://tests.stockfishchess.org/tests/view/678807653b8f206a2696b78b LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 42208 W: 11113 L: 10783 D: 20312 Ptnml(0-2): 148, 4919, 10651, 5227, 159 Passed LTC: https://tests.stockfishchess.org/tests/view/6788a8463b8f206a2696b956 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 122886 W: 31454 L: 30952 D: 60480 Ptnml(0-2): 105, 13567, 33619, 14025, 127 closes https://github.com/official-stockfish/Stockfish/pull/5791 Bench: 1760081
Copyright 2011–2025 Next Chess Move LLC