Double Elimination Tournament — Generator

// 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' );

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++; double elimination tournament generator

# Simplified LB stub: real implementation needs per-match mapping print("Losers bracket would be built here based on WB structure.") // Winners bracket let round = 0; let

# Check for grand finals reset if is_grand_finals(match) and match.bracket == "losers": if winner_id == lb_champion and wb_champion_exists: create_reset_match() class DoubleElimGenerator constructor(players) this.players = players; this.wbMatches = []; this.lbMatches = []; this.gfMatch = null; this.resetMatch = null; this.generate(); generate() let size = 1; while (size < this.players.length) size <<= 1; const padded = [...this.players, ...Array(size - this.players.length).fill(null)]; let curr = []

# 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

# Also send loser to losers bracket loser_id = get_loser(match) lb_match = get_loser_bracket_match(match) set_player_in_match(lb_match, next_free_slot(lb_match), loser_id)

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