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Removing inCheck condition for counter move bonus

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STC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 20206 W: 3946 L: 3823 D:

LTC:
LLR: 3.10 (-2.94,2.94) [-3.00,1.00]
Total: 25004 W: 3512 L: 3390 D: 18102

Bench: 8172428
This commit is contained in:
loco-loco 2016-06-24 19:20:14 -07:00 • committed by Marco Costalba
parent 190d2ea4bc
commit 716a145a6c
1 changed files with 1 additions and 2 deletions
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3
src/search.cpp
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@ -815,7 +815,6 @@ namespace {
moves_loop: // When in check search starts from here
Square prevSq = to_sq((ss-1)->currentMove);
const CounterMoveStats* cmh = (ss-1)->counterMoves;
const CounterMoveStats* fmh = (ss-2)->counterMoves;
const CounterMoveStats* fmh2 = (ss-4)->counterMoves;
@ -1106,10 +1105,10 @@ moves_loop: // When in check search starts from here
// Bonus for prior countermove that caused the fail low
else if ( depth >= 3 * ONE_PLY
&& !bestMove
&& !inCheck
&& !pos.captured_piece_type()
&& is_ok((ss-1)->currentMove))
{
Square prevSq = to_sq((ss-1)->currentMove);
Value bonus = Value((depth / ONE_PLY) * (depth / ONE_PLY) + 2 * depth / ONE_PLY - 2);
if ((ss-2)->counterMoves)
(ss-2)->counterMoves->update(pos.piece_on(prevSq), prevSq, bonus);