···

       
310
       
 
       
		

     

       
311
       
 
       
		player1Wins, player2Wins, totalMoves := RunHeadToHead(newSub, opponent, 1000)

     

       
312
       
 
       
		

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
313
       
 
       
		var winnerID int

     

       
314
       
 
       
		avgMoves := totalMoves / 1000

     

       
315
       
 
       
		

     

···

       
310
       
 
       
		

     

       
311
       
 
       
		player1Wins, player2Wins, totalMoves := RunHeadToHead(newSub, opponent, 1000)

     

       
312
       
 
       
		

     

       
313
       
+
       
		// If match failed (returned 0-0-0), mark submission as compilation_failed

     

       
314
       
+
       
		if player1Wins == 0 && player2Wins == 0 && totalMoves == 0 {

     

       
315
       
+
       
			log.Printf("❌ Match failed for %s vs %s - marking as compilation_failed", newSub.Username, opponent.Username)

     

       
316
       
+
       
			storage.UpdateSubmissionStatus(newSub.ID, "compilation_failed")

     

       
317
       
+
       
			return

     

       
318
       
+
       
		}

     

       
319
       
+
       
		

     

       
320
       
 
       
		var winnerID int

     

       
321
       
 
       
		avgMoves := totalMoves / 1000

     

       
322
       
 
       
		

     

···

       
797
       
 
       
			}

     

       
798
       
 
       
			

     

       
799
       
 
       
			totalGames := myWins + opponentWins

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
800
       
 
       
			score := float64(myWins) / float64(totalGames)

     

       
801
       
 
       
			

     

       
802
       
 
       
			results = append(results, Glicko2Result{

     

···

       
797
       
 
       
			}

     

       
798
       
 
       
			

     

       
799
       
 
       
			totalGames := myWins + opponentWins

     

       
800
       
+
       
			// Skip match pairs with no games played (prevents NaN from 0/0)

     

       
801
       
+
       
			if totalGames == 0 {

     

       
802
       
+
       
				continue

     

       
803
       
+
       
			}

     

       
804
       
 
       
			score := float64(myWins) / float64(totalGames)

     

       
805
       
 
       
			

     

       
806
       
 
       
			results = append(results, Glicko2Result{