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.
| Host | Duration | Avg Base NPS | Games | WLD | Standard Elo | Ptnml(0-2) | Gamepair Elo |
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| ID | Host | Base NPS | Games | WLD | Standard Elo | Ptnml(0-2) | Gamepair Elo | CLI | PGN |
|---|
| Commit ID | 94a3608ab9f2334784ac3b111dc79c9eb5e33ba3 |
|---|---|
| Author | Marco Costalba |
| Date | 2013-08-10 15:11:13 UTC |
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Fix GrainSize rounding error
The rounding formula is different between
positive and negative scores due to the
GrainSize/2 term that is asymmetric.
So use truncation instead of rounding. This
guarantees that evaluation is rounded to zero
in the same way for both positive and negative
scores.
Found with position's flip
bench: 4634244
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