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Set LMRPVMoves to 10 instead of 14

Browse source 
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>
This commit is contained in:
Marco Costalba 2009-08-31 22:08:15 +01:00
parent 46ffea46ea
commit e33c94883f
2 changed files with 2 additions and 2 deletions
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2
src/search.cpp
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@ -916,7 +916,7 @@ namespace {
else else
{ {
if ( newDepth >= 3*OnePly if ( newDepth >= 3*OnePly
&& i >= MultiPV + LMRPVMoves - 2 // Remove -2 and decrease LMRPVMoves instead ? && i >= MultiPV + LMRPVMoves
&& !dangerous && !dangerous
&& !moveIsCapture && !moveIsCapture
&& !move_is_promotion(move) && !move_is_promotion(move)

2
src/ucioption.cpp
View file

@ -116,7 +116,7 @@ namespace {
o["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2); 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 (PV nodes)"] = Option(2, 0, 2);
o["Pawn Endgame Extension (non-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["Full Depth Moves (non-PV nodes)"] = Option(3, 1, 100);
o["Threat Depth"] = Option(5, 0, 100); o["Threat Depth"] = Option(5, 0, 100);
o["Randomness"] = Option(0, 0, 10); o["Randomness"] = Option(0, 0, 10);