Fix CTF bonus for large-board version

racingkings STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 179 W: 120 L: 32 D: 27
http://35.161.250.236:6543/tests/view/5cddb8176e23db34f4206acd

racingkings LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 242 W: 149 L: 58 D: 35
http://35.161.250.236:6543/tests/view/5cddb83b6e23db34f4206ad0

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 8bd9ed9..37b86eb 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -901,7 +901,7 @@ namespace {
         while (ctfPieces)
         {
             Square s1 = pop_lsb(&ctfPieces);
-            Bitboard target_squares = pos.capture_the_flag(Us);
+            Bitboard target_squares = pos.capture_the_flag(Us) & pos.board_bb();
             while (target_squares)
             {
                 Square s2 = pop_lsb(&target_squares);