Dev Builds » 20211221-1242

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 10:00:30 1112660 3340 1207 495 1638 +75.22 +/- 5.93 3 136 713 782 36 +149.92 +/- 12.76
ncm-dbt-02 09:56:34 1264613 3306 1189 476 1641 +76.13 +/- 5.75 1 123 717 786 26 +153.95 +/- 12.71
ncm-dbt-03 10:00:28 1267302 3340 1150 506 1684 +67.84 +/- 5.74 2 139 766 739 24 +135.94 +/- 12.28
ncm-dbt-04 10:01:16 1263590 3348 1182 530 1636 +68.54 +/- 5.9 0 158 738 746 32 +135.1 +/- 12.54
ncm-dbt-05 09:56:23 1211041 3312 1150 508 1654 +68.21 +/- 5.86 2 147 740 741 26 +136.24 +/- 12.51
ncm-dbt-06 10:01:35 1273567 3354 1174 511 1669 +69.6 +/- 5.84 1 149 743 754 30 +138.21 +/- 12.49
20000 7052 3026 9922 +70.91 +/- 2.38 9 852 4417 4548 174 +141.48 +/- 5.12

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
206107 ncm-dbt-05 1224570 140 52 22 66 +75.62 +/- 28.53 0 6 29 34 1 +153.14 +/- 64.32
206106 ncm-dbt-02 1246351 144 49 15 80 +83.6 +/- 28.38 0 5 30 35 2 +165.99 +/- 63.21
206105 ncm-dbt-01 1099803 172 68 27 77 +84.44 +/- 23.59 0 3 41 40 2 +169.92 +/- 52.75
206104 ncm-dbt-03 1222554 174 52 23 99 +58.45 +/- 25.3 0 8 44 33 2 +111.5 +/- 51.44
206103 ncm-dbt-04 1252547 182 64 26 92 +73.62 +/- 26.63 0 10 35 44 2 +145.38 +/- 58.12
206102 ncm-dbt-06 1244744 188 63 29 96 +63.53 +/- 23.03 0 7 47 39 1 +127.39 +/- 49.63
206101 ncm-dbt-02 1230966 500 179 67 254 +79.17 +/- 15.97 0 26 91 128 5 +158.93 +/- 35.67
206100 ncm-dbt-05 1227350 500 193 75 232 +83.57 +/- 15.83 1 19 98 125 7 +167.53 +/- 34.57
206099 ncm-dbt-03 1224173 500 169 81 250 +61.79 +/- 14.82 0 23 120 103 4 +121.46 +/- 31.09
206098 ncm-dbt-04 1228079 500 182 90 228 +64.66 +/- 14.39 0 21 118 109 2 +130.94 +/- 31.35
206097 ncm-dbt-01 1077400 500 191 75 234 +82.1 +/- 15.53 0 21 98 125 6 +164.07 +/- 34.56
206096 ncm-dbt-06 1243739 500 169 83 248 +60.36 +/- 15.28 0 27 114 105 4 +118.33 +/- 32.0
206095 ncm-dbt-05 1234487 500 172 66 262 +74.79 +/- 14.34 0 19 107 123 1 +155.54 +/- 33.04
206094 ncm-dbt-02 1215213 500 170 63 267 +75.52 +/- 14.65 0 20 105 123 2 +155.54 +/- 33.38
206093 ncm-dbt-03 1231056 500 177 72 251 +74.06 +/- 14.46 0 20 106 123 1 +153.86 +/- 33.21
206092 ncm-dbt-01 1095812 500 175 76 249 +69.71 +/- 15.26 1 20 113 111 5 +138.99 +/- 32.11
206091 ncm-dbt-04 1223496 500 174 56 270 +83.57 +/- 15.3 0 22 91 134 3 +172.78 +/- 35.79
206090 ncm-dbt-06 1246389 500 171 84 245 +61.08 +/- 16.31 1 30 106 107 6 +118.33 +/- 33.16
206089 ncm-dbt-05 1253299 500 169 80 251 +62.51 +/- 14.98 0 24 117 105 4 +123.02 +/- 31.54
206088 ncm-dbt-03 1248492 500 175 76 249 +69.71 +/- 15.0 0 20 117 107 6 +135.76 +/- 31.48
206087 ncm-dbt-02 1243004 500 168 80 252 +61.79 +/- 15.34 0 26 115 104 5 +119.89 +/- 31.85
206086 ncm-dbt-01 1104467 500 180 83 237 +68.27 +/- 15.98 1 24 109 109 7 +132.54 +/- 32.75
206085 ncm-dbt-06 1247119 500 176 66 258 +77.7 +/- 14.44 0 14 118 112 6 +153.86 +/- 31.15
206084 ncm-dbt-04 1218963 500 169 79 252 +63.23 +/- 14.75 0 23 117 107 3 +126.18 +/- 31.53
206083 ncm-dbt-05 1244101 500 173 86 241 +61.07 +/- 15.05 0 25 117 104 4 +119.89 +/- 31.55
206082 ncm-dbt-03 1241332 500 180 69 251 +78.43 +/- 14.02 0 14 114 119 3 +160.64 +/- 31.79
206081 ncm-dbt-02 1222702 500 190 73 237 +82.83 +/- 14.0 0 13 110 124 3 +171.02 +/- 32.42
206080 ncm-dbt-01 1095662 500 186 66 248 +85.04 +/- 14.35 0 15 103 129 3 +176.33 +/- 33.67
206079 ncm-dbt-06 1236934 500 182 74 244 +76.25 +/- 15.22 0 22 102 122 4 +153.86 +/- 33.87
206078 ncm-dbt-04 1224499 500 190 80 230 +77.7 +/- 15.66 0 21 106 115 8 +150.51 +/- 33.22
206077 ncm-dbt-05 1225957 500 162 86 252 +53.22 +/- 15.47 0 30 119 96 5 +101.46 +/- 31.3
206076 ncm-dbt-01 1098344 500 174 81 245 +65.38 +/- 14.97 0 25 109 114 2 +132.54 +/- 32.75
206075 ncm-dbt-03 1238424 500 178 84 238 +66.1 +/- 15.13 1 21 115 109 4 +132.54 +/- 31.82
206074 ncm-dbt-02 1241650 500 187 60 253 +90.22 +/- 14.46 0 14 99 133 4 +187.16 +/- 34.38
206073 ncm-dbt-04 1248736 500 173 94 233 +55.36 +/- 15.82 0 30 118 95 7 +102.97 +/- 31.44
206072 ncm-dbt-06 1242267 500 182 84 234 +68.99 +/- 14.97 0 23 109 115 3 +138.99 +/- 32.74
206071 ncm-dbt-05 774490 500 172 60 268 +79.17 +/- 14.62 1 15 108 123 3 +164.07 +/- 32.83
206070 ncm-dbt-03 1225620 500 168 72 260 +67.55 +/- 15.18 1 23 107 117 2 +138.99 +/- 33.06
206069 ncm-dbt-01 829639 500 170 68 262 +71.88 +/- 15.6 0 23 109 111 7 +138.99 +/- 32.74
206068 ncm-dbt-02 1216088 500 184 91 225 +65.38 +/- 14.42 1 15 129 100 5 +129.35 +/- 29.58
206067 ncm-dbt-04 1218993 500 172 82 246 +63.23 +/- 14.88 0 22 121 102 5 +123.02 +/- 30.92
206066 ncm-dbt-06 1230177 500 174 74 252 +70.43 +/- 15.29 0 23 109 113 5 +138.99 +/- 32.74
177613 ncm-dbt-02 1500934 162 62 27 73 +76.26 +/- 23.32 0 4 38 39 0 +160.68 +/- 55.3
177612 ncm-dbt-04 1493414 166 58 23 85 +74.36 +/- 27.97 0 9 32 40 2 +146.2 +/- 60.88
177611 ncm-dbt-01 1500156 168 63 19 86 +93.17 +/- 29.26 1 5 31 43 4 +185.38 +/- 62.25
177610 ncm-dbt-05 1504079 172 57 33 82 +48.79 +/- 24.71 0 9 45 31 1 +95.23 +/- 50.78
177609 ncm-dbt-03 1506771 166 51 29 86 +46.31 +/- 26.52 0 10 43 28 2 +85.4 +/- 52.12
177608 ncm-dbt-06 1497168 166 57 17 92 +85.39 +/- 23.38 0 3 38 41 1 +177.16 +/- 55.14

Commit

Commit ID 22e92d23d24ade1053cf543624d0efd01387e886
Author bmc4
Date 2021-12-21 12:42:33 UTC
Remove Capture history pruning Fixed number of games. (book: 8moves_v3.png): ELO: -0.69 +-1.8 (95%) LOS: 22.1% Total: 20000 W: 1592 L: 1632 D: 16776 Ptnml(0-2): 44, 1194, 7566, 1150, 46 https://tests.stockfishchess.org/tests/view/61bb8eb657a0d0f327c30ce8 STC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 139976 W: 36039 L: 36036 D: 67901 Ptnml(0-2): 435, 16138, 36885, 16049, 481 https://tests.stockfishchess.org/tests/view/61be731857a0d0f327c39ea2 LTC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 70656 W: 18284 L: 18189 D: 34183 Ptnml(0-2): 34, 7317, 20529, 7416, 32 https://tests.stockfishchess.org/tests/view/61bf39b657a0d0f327c3c37b closes https://github.com/official-stockfish/Stockfish/pull/3867 bench: 4281737
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