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Fix old Glaurung bug related to search logging

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When we log best and ponder move to a file before to
return from think we change the position. If position is
then not resended by GUI, as for manual user input we got
an error:

justinb@malibu:~$ stockfish
Stockfish 2.0 JA 64bit by Tord Romstad, Marco Costalba, Joona Kiiski
setoption name Use Search Log value true
go depth 1
info depth 1
info depth 1 seldepth 1 multipv 1 score cp 72 time 59 nodes 20 nps 338 pv g1f3
info depth 2
info depth 2 seldepth 2 multipv 1 score cp 12 time 59 nodes 44 nps 745 pv g1f3 g8f6
info nodes 84 nps 1423 time 59
bestmove g1f3 ponder g8f6
go depth 1
info depth 1 score mate 0
info nodes 87 nps 0 time 0
bestmove (none) ponder (none)

Bug spotted and fixed by UncombedCoconut.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-01-02 11:21:37 +01:00
parent 57c51dd1ef
commit 0693ff178e
1 changed files with 3 additions and 0 deletions
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3
src/search.cpp
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@ -513,6 +513,9 @@ bool think(Position& pos, bool infinite, bool ponder, int time[], int increment[
<< move_to_san(pos, ponderMove) // Works also with MOVE_NONE << move_to_san(pos, ponderMove) // Works also with MOVE_NONE
<< endl; << endl;
// Return from think() with unchanged position
pos.undo_move(bestMove);
LogFile.close(); LogFile.close();
} }