// Define Player Class
class Player
    attributes: id, name, skill_level

// Define Match Class
class Match
    attributes: match_id, player_ids
    methods: add_player(player), start_match()

// Define Matchmaking System
class MatchmakingSystem
    attributes: queue, active_matches
    methods: add_to_queue(player), create_match(), find_match()

// Function to add player to queue
function add_to_queue(player)
    queue.append(player)
    if len(queue) >= required_players_for_match
        create_match()

// Function to create a match
function create_match()
    match_players = []
    for i in range(required_players_for_match)
        match_players.append(queue.pop(0))
    new_match = Match(match_id=generate_match_id(), player_ids=match_players)
    active_matches.append(new_match)
    new_match.start_match()
    // Remove matched players from queue

// Function to find the best match for a player
function find_match(player)
    // Simple matchmaking by skill level difference
    best_match = None
    best_skill_diff = float('inf')
    for match in active_matches
        skill_diff = abs(average_skill_level(match.player_ids) - player.skill_level)
        if skill_diff < best_skill_diff
            best_skill_diff = skill_diff
            best_match = match
    if best_match
        best_match.add_player(player)
    else
        add_to_queue(player)

// Function to generate unique match IDs
function generate_match_id()
    // Generate and return a unique match ID

// Function to calculate the average skill level of players in a match
function average_skill_level(player_ids)
    total_skill = sum(player.skill_level for player in player_ids)
    return total_skill / len(player_ids)

// Main matchmaking loop
while game_running
    player = get_new_player()
    find_match(player)