diff --git a/processor/logic/GameBoard.h b/processor/logic/GameBoard.h
index 0238d7e..b926cbf 100644
--- a/processor/logic/GameBoard.h
+++ b/processor/logic/GameBoard.h
@@ -35,6 +35,8 @@ public:
 
 	bool isTeammate(Player x, Player y) const;
 	Team teamOf(Player x) const;
+	bool isDefeated(Player x) const;
+
 	std::uint8_t numPlayers() const;
 	std::uint8_t numTeams() const;