X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fsearch.cpp;h=0e65d19ff3c9f5d8da2d9fd7887ceb2bb42ec3e5;hb=94bb1964f6b5b4b9abca0bde03367d071922f449;hp=efdb287fa740a3325c73771f6b43492345b5dd5e;hpb=a4a0ffce711962c0b04b35998c3c06491be373bf;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index efdb287f..0e65d19f 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -387,7 +387,7 @@ bool think(const Position& pos, bool infinite, bool ponder, int side_to_move,
       if (get_option_value_string("Book File") != OpeningBook.file_name())
           OpeningBook.open(get_option_value_string("Book File"));
 
-      Move bookMove = OpeningBook.get_move(pos);
+      Move bookMove = OpeningBook.get_move(pos, get_option_value_bool("Best Book Move"));
       if (bookMove != MOVE_NONE)
       {
           if (PonderSearch)
@@ -1713,7 +1713,7 @@ namespace {
 
       // Detect blocking evasions that are candidate to be pruned
       evasionPrunable =   isCheck
-                       && bestValue != -VALUE_INFINITE
+                       && bestValue > value_mated_in(PLY_MAX)
                        && !pos.move_is_capture(move)
                        && pos.type_of_piece_on(move_from(move)) != KING
                        && !pos.can_castle(pos.side_to_move());