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Set LMRPVMoves to 10 instead of 14

After 934 games at 1+0

Mod vs Orig +228 =493 -213 50.80%  474.5/934   +6 ELO

So it seems not negative and there is also the added
benefit to unify LMRPVMoves use in search_pv() and in
root list.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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1 parent 46ffea4 commit e33c94883fb1767a8aae29e8004d0621d296e33b @mcostalba committed Aug 31, 2009
Showing with 2 additions and 2 deletions.
  1. +1 −1 src/search.cpp
  2. +1 −1 src/ucioption.cpp
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2 src/search.cpp
@@ -916,7 +916,7 @@ namespace {
else
{
if ( newDepth >= 3*OnePly
- && i >= MultiPV + LMRPVMoves - 2 // Remove -2 and decrease LMRPVMoves instead ?
+ && i >= MultiPV + LMRPVMoves
&& !dangerous
&& !moveIsCapture
&& !move_is_promotion(move)
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2 src/ucioption.cpp
@@ -116,7 +116,7 @@ namespace {
o["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2);
o["Pawn Endgame Extension (PV nodes)"] = Option(2, 0, 2);
o["Pawn Endgame Extension (non-PV nodes)"] = Option(2, 0, 2);
- o["Full Depth Moves (PV nodes)"] = Option(14, 1, 100);
+ o["Full Depth Moves (PV nodes)"] = Option(10, 1, 100);
o["Full Depth Moves (non-PV nodes)"] = Option(3, 1, 100);
o["Threat Depth"] = Option(5, 0, 100);
o["Randomness"] = Option(0, 0, 10);

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