NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.
| Host | Duration | Avg Base NPS | Games | Wins | Losses | Draws | Elo |
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| ID | Host | Started (UTC) | Duration | Base NPS | Games | Wins | Losses | Draws | Elo | CLI | PGN |
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| Commit ID | 821e1c72337e435d805aa2e29743d8b79c9d65a9 |
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| Author | Marco Costalba |
| Date | 2012-02-19 09:04:49 UTC |
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Micro-optimize castleRights update
When updating castleRights in do_move() perform only one
64bit xor with zobCastle[] instead of two.
The trick here is to define zobCastle[] keys of composite
castling rights as a xor combination of the keys of the
single castling rights, instead of 16 independent keys.
Idea from Critter although implementation is different.
No functional change.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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