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Revert "Simple implementation of strong YBWC"

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It does not seem to increase anything even with a QUAD,
so revert.

After 1000 games with a QUAD
Mod - Orig: 500 - 497 (+1 elo)

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-05-22 11:35:15 +01:00
parent 85559cc597
commit ecc100d1bb
1 changed files with 0 additions and 4 deletions
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4
src/search.cpp
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@ -234,9 +234,6 @@ namespace {
// better than the second best move.
const Value EasyMoveMargin = Value(0x200);
// Maximum number of moves to try before to split (strong YBWC)
const int MaximumSplitMove = 3;
// Last seconds noise filtering (LSN)
const bool UseLSNFiltering = true;
const int LSNTime = 4000; // In milliseconds
@ -1366,7 +1363,6 @@ namespace {
if ( TM.active_threads() > 1
&& bestValue < beta
&& depth >= MinimumSplitDepth
&& (PvNode || moveCount > MaximumSplitMove * MinimumSplitDepth / depth)
&& Iteration <= 99
&& TM.available_thread_exists(threadID)
&& !AbortSearch