# Simplified LB stub: real implementation needs per-match mapping print("Losers bracket would be built here based on WB structure.")

Winners R1: Losers R1: A vs B L1 vs L2 C vs D Winners R2: Losers R2: W1 vs W2 L3 vs W3

def _build(self): # Build WB round 1 r1 = [] for i in range(0, self.size, 2): r1.append([self.players[i] if i < len(self.players) else None, self.players[i+1] if i+1 < len(self.players) else None]) self.wb[0] = r1

// 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' );

# Build WB tree for r in range(1, len(self.wb)): prev = self.wb[r-1] curr = [] for i in range(0, len(prev), 2): curr.append([None, None]) self.wb[r] = curr

this.wbMatches.push(curr);

# 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)

# 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)];