Winners R1: Losers R1: A vs B L1 vs L2 C vs D Winners R2: Losers R2: W1 vs W2 L3 vs W3
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++;
# Simplified LB stub: real implementation needs per-match mapping print("Losers bracket would be built here based on WB structure.") double elimination tournament generator
# 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)];
# Step 3: Generate LB matches (simplified example for 8 players) lb_matches = [] # Map: (wb_round, wb_match_index) -> lb_match # Logic depends on tournament size; general formula exists When a match is reported: Winners R1: Losers R1: A vs B L1
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
# 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) 1) let next = []
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)