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 | 6f1475b6fcd3e3728d800e622ab7a22265fb8ca4 |
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| Author | Marco Costalba |
| Date | 2009-08-09 03:42:07 UTC |
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Use 32 bit key in TT
Shrink key to 32 bits instead of 64. To still avoid
collisions use the high 32 bits of position key as the
TT key and the low 32 bits to retrieve the correct
cluster index in the table.
With this patch size og TTentry shrinks to 96 bits instead
of 128 and the cluster of 4 TTEntry sums to 48 bytes instead
of 64.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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