Double material bonus for losing chess

giveaway STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 1273 W: 553 L: 451 D: 269
http://www.variantfishtest.org:6543/tests/view/5e4c63ff6e23db46beba4e50

giveaway LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 1470 W: 615 L: 512 D: 343
http://www.variantfishtest.org:6543/tests/view/5e4ce01e6e23db46beba4e64

losers LTC
LLR: 2.96 (-2.94,2.94) [-10.00,5.00]
Total: 624 W: 317 L: 258 D: 49
http://www.variantfishtest.org:6543/tests/view/5e4d6d576e23db46beba4e66

diff --git a/src/material.cpp b/src/material.cpp
index 01be5c1..b47317c 100644 (file)
--- a/src/material.cpp
+++ b/src/material.cpp
@@ -112,7 +112,7 @@ namespace {
         bonus += pieceCount[Us][pt1] * v;
     }
 
-    return bonus;
+    return bonus * (1 + pos.must_capture());
   }
 
 } // namespace