Dev Builds » 20210618-1800

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.


Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN


Commit ID 14b673d90f7f486becda4622eb1e8f4b63bb0785
Author ap
Date 2021-06-18 18:00:13 UTC
New default net nn-3b20abec10c1.nnue This net was created by @pleomati, who manually edited with an hex editor 10 values randomly chosen in the LCSFNet10 net (nn-6ad41a9207d0.nnue) to create this one. The LCSFNet10 net was trained by Joost VandeVondele from a dataset combining Stockfish games and Leela games (16x10^9 positions from SF self-play at depth 9, and 6.3x10^9 positions from Leela games, so overall 72% of Stockfish positions and 28% of Leela positions). passed STC 10+0.1: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 50888 W: 5881 L: 5654 D: 39353 Ptnml(0-2): 281, 4290, 16085, 4497, 291 passed LTC 60+0.6: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 25480 W: 1498 L: 1338 D: 22644 Ptnml(0-2): 36, 1155, 10193, 1325, 31 closes Bench: 4904930
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