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Prefer readibility to (useless) optimization

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This commit is contained in:
Marco Costalba 2016-05-21 19:39:37 +02:00
parent de335433ea
commit 96314cc971
1 changed files with 2 additions and 8 deletions
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10
src/syzygy/tbprobe.cpp
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@ -1475,7 +1475,7 @@ int Tablebases::probe_dtz(Position& pos, ProbeState* result)
return wdl > WDLDraw ? dtz : -dtz;
}
// DTZ stores results for the other STM, so we need to do a 1-ply search and
// DTZ stores results for the other side, so we need to do a 1-ply search and
// find the winning move that minimizes DTZ.
StateInfo st;
CheckInfo ci(pos);
@ -1483,15 +1483,9 @@ int Tablebases::probe_dtz(Position& pos, ProbeState* result)
for (const Move& move : MoveList<LEGAL>(pos))
{
// When winning, we don't need to probe for captures and pawn
// moves because we already know are losing.
if ( wdl > 0
&& (pos.capture(move) || type_of(pos.moved_piece(move)) == PAWN))
continue;
pos.do_move(move, st, pos.gives_check(move, ci));
if (wdl > 0)
if (wdl > WDLDraw)
dtz = -probe_dtz(pos, result);
else if (st.rule50 > 0) // Not a capture or pawn move