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Revert opponent time advantage logic

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Strength increase was due to an hidden bug introduced
by the patch, namely the time per move to /30 instead
of /40 (see previous patch).

After testing this feature do not add any substantial
increase so is removed.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-11-27 07:42:57 +01:00
parent 9d5d69e435
commit d95b9189d8
1 changed files with 1 additions and 7 deletions
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8
src/search.cpp
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@ -188,7 +188,7 @@ namespace {
// Time managment variables
int SearchStartTime;
int MaxNodes, MaxDepth;
int MaxSearchTime, AbsoluteMaxSearchTime, ExtraSearchTime, TimeAdvantage;
int MaxSearchTime, AbsoluteMaxSearchTime, ExtraSearchTime;
Move BestRootMove, PonderMove, EasyMove;
int RootMoveNumber;
bool InfiniteSearch;
@ -427,8 +427,6 @@ void think(const Position &pos, bool infinite, bool ponder, int side_to_move,
int myIncrement = increment[side_to_move];
int oppTime = time[1 - side_to_move];
TimeAdvantage = myTime - oppTime;
if (!movesToGo) // Sudden death time control
{
if (myIncrement)
@ -680,10 +678,6 @@ namespace {
ExtraSearchTime = BestMoveChangesByIteration[Iteration] * (MaxSearchTime / 2)
+ BestMoveChangesByIteration[Iteration-1] * (MaxSearchTime / 3);
// If we need some more and we are in time advantage take it
if (ExtraSearchTime > 0 && TimeAdvantage > 2 * MaxSearchTime)
ExtraSearchTime += MaxSearchTime / 2;
// Try to guess if the current iteration is the last one or the last two
LastIterations = (current_search_time() > ((MaxSearchTime + ExtraSearchTime)*58) / 128);