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 |
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| ID | Host | Base NPS | Games | WLD | Standard Elo | Ptnml(0-2) | Gamepair Elo | CLI | PGN |
|---|
| Commit ID | 4bdeb6352cf266c3f3b9764d3eba95ed3582d74c |
|---|---|
| Author | 87 |
| Date | 2026-04-15 18:26:21 UTC |
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Remove unnecessary use of _mm512_zextsi256_si512
[Some build environments](https://tests.stockfishchess.org/actions?max_count=400&sort=time&order=desc&action=failed_task&user=gaster319&text=executing) do not have this intrinsic.
closes https://github.com/official-stockfish/Stockfish/pull/6722
No functional change.
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