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 | a72c55283d132e64cad9101c65e59c1f9406be83 |
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| Author | Marco Costalba |
| Date | 2009-10-22 06:22:44 UTC |
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Don't prune TT move in qsearch even if SEE < 0
Even if SEE is negative there is always a good possibility
that TT move is a cut move anyway. For instance a lot of
BXN exchanges that have negative SEE can very easily be
good exchanges.
A nice side effect is a bit reduced frequency of
see_sign() calls.
After 643 games at 1+0
Mod vs Orig +174 =327 -142 52.49% 337.5/643 +17 ELO
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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