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Fix old Glaurung bug related to search logging
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>
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@ -513,6 +513,9 @@ bool think(Position& pos, bool infinite, bool ponder, int time[], int increment[
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<< move_to_san(pos, ponderMove) // Works also with MOVE_NONE
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<< endl;
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// Return from think() with unchanged position
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pos.undo_move(bestMove);
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LogFile.close();
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}
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