Double Elimination Tournament Generator May 2026

// Winners bracket let round = 0; let curr = []; for (let i = 0; i < padded.length; i += 2) curr.push( p1: padded[i], p2: padded[i+1], round, bracket: 'W' );

def report_winner(match_id, winner_id): match = get_match(match_id) match.winner_id = winner_id if match.bracket == "winners": next_match = match.next_match slot = match.next_match_slot # "player1" or "player2" set_player_in_match(next_match, slot, winner_id) double elimination tournament generator

this.wbMatches.push(curr);

elif match.bracket == "losers": next_match = match.next_match set_player_in_match(next_match, match.next_match_slot, winner_id) # LB loser is eliminated // Winners bracket let round = 0; let

# Step 2: Build WB tree round_idx = 1 while len(wb_matches[-1]) > 1: prev_round = wb_matches[-1] new_round = [] for i in range(0, len(prev_round), 2): m = Match(bracket="winners", round=round_idx+1) prev_round[i].next_match = m prev_round[i+1].next_match = m new_round.append(m) wb_matches.append(new_round) round_idx += 1 let curr = []

// Losers bracket generation would follow similar but with cross-references // (full logic requires careful mapping of loser drops)

while (curr.length > 1) let next = []; for (let i = 0; i < curr.length; i += 2) next.push( p1: null, p2: null, round: round+1, bracket: 'W', fromW1: curr[i], fromW2: curr[i+1] ); this.wbMatches.push(next); curr = next; round++;