kate/BadFish
1
0
Fork 0
mirror of https://github.com/sockspls/badfish synced 2025-05-01 09:13:08 +00:00
Code Issues Releases Wiki Activity

Make static value saved in TT independent from ply

Browse source 
After 963 games at 1+0

Mod vs Orig +246 =511 -206 52.08%  501.0/962  +14 ELO

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski 2009-09-16 06:52:10 +03:00 • committed by Marco Costalba
parent c81010a878
commit cddda7cd19
1 changed files with 3 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/search.cpp
View file

@ -1540,14 +1540,10 @@ namespace {
// Use the cached evaluation score if possible // Use the cached evaluation score if possible
assert(ei.futilityMargin == Value(0)); assert(ei.futilityMargin == Value(0));
staticValue = tte->value(); staticValue = tte->value() + ply;
} }
else else
{ staticValue = evaluate(pos, ei, threadID) + ply;
staticValue = evaluate(pos, ei, threadID);
if (!value_is_mate(staticValue + Value(ply)))
staticValue += Value(ply);
}
if (ply == PLY_MAX - 1) if (ply == PLY_MAX - 1)
return evaluate(pos, ei, threadID); return evaluate(pos, ei, threadID);
@ -1560,7 +1556,7 @@ namespace {
{ {
// Store the score to avoid a future costly evaluation() call // Store the score to avoid a future costly evaluation() call
if (!isCheck && !tte && ei.futilityMargin == 0) if (!isCheck && !tte && ei.futilityMargin == 0)
TT.store(pos.get_key(), value_to_tt(bestValue, ply), VALUE_TYPE_EVAL, Depth(-127*OnePly), MOVE_NONE); TT.store(pos.get_key(), bestValue - ply, VALUE_TYPE_EVAL, Depth(-127*OnePly), MOVE_NONE);
return bestValue; return bestValue;
} }