diff --git a/processor/logic/GameBoard.cpp b/processor/logic/GameBoard.cpp
index e018ba8..ad2c7f2 100644
--- a/processor/logic/GameBoard.cpp
+++ b/processor/logic/GameBoard.cpp
@@ -60,6 +60,8 @@ void GameBoard::capitalCaptured(Player tt, Player sc) {
 			updatedPosition(x, y);
 		}
 	}
+	new_defeated_players.push_back(tt);
+	players[tt].is_defeated = 1;
 }
 
 bool GameBoard::isTeammate(Player x, Player y) const {
@@ -105,6 +107,10 @@ Team GameBoard::teamOf(Player x) const {
 	return players[x].team;
 }
 
+bool GameBoard::isDefeated(Player x) const {
+	return players[x].is_defeated;
+}
+
 std::uint8_t GameBoard::numPlayers() const {
 	return n;
 }
@@ -117,10 +123,10 @@ std::vector<TeamRanking> GameBoard::leaderboard() const {
 	std::vector<TeamRanking> res(t);
 	std::vector<PlayerRanking> prank(n);
 
-	for (Player i = 1; i <= n; ++i)
-		prank[i - 1].player = i,
-				  prank[i - 1].is_defeated
-				  = defeated_players.find(i) != defeated_players.end();
+	for (Player i = 1; i <= n; ++i) {
+		prank[i - 1].player = i;
+		prank[i - 1].is_defeated = players[i].is_defeated;
+	}
 
 	for (Team i = 1; i <= t; ++i)
 		res[i - 1].team = i;
diff --git a/processor/logic/GameBoard.h b/processor/logic/GameBoard.h
index b926cbf..1dbee95 100644
--- a/processor/logic/GameBoard.h
+++ b/processor/logic/GameBoard.h
@@ -50,7 +50,7 @@ private:
 	pos_t w, h;
 	std::vector<Tile> board;
 	std::set<Point> updated_tiles;
-	std::set<Player> defeated_players;
+	std::vector<Player> new_defeated_players;
 };
 
 #endif