diff --git a/src/game/game-instance.ts b/src/game/game-instance.ts
index 9000c38..cd1b523 100644
--- a/src/game/game-instance.ts
+++ b/src/game/game-instance.ts
@@ -9,7 +9,7 @@ export class GameInstance {
   public readonly board: BoardCell[][];
   public currentPlayerColor: PlayerColor | null;
   public status: GameStatus;
-  public winner: null | PlayerColor | 'draw';
+  public winnerColor: null | PlayerColor | 'draw';
   public players: { black?: string; white?: string };
 
   private readonly boardSize = 15;
@@ -22,7 +22,7 @@ export class GameInstance {
     );
     this.currentPlayerColor = null;
     this.status = 'waiting';
-    this.winner = null;
+    this.winnerColor = null;
     this.players = {};
   }
 
@@ -105,7 +105,7 @@ export class GameInstance {
 
     // Check for win condition
     if (this.checkWin(row, col, playerColor)) {
-      this.winner = playerColor;
+      this.winnerColor = playerColor;
       this.status = 'finished';
       this.currentPlayerColor = null;
       return { success: true };
@@ -113,7 +113,7 @@ export class GameInstance {
 
     // Check for draw condition
     if (this.moveCount === this.boardSize * this.boardSize) {
-      this.winner = 'draw';
+      this.winnerColor = 'draw';
       this.status = 'finished';
       this.currentPlayerColor = null;
       return { success: true };