private boolean isBetNewForPlayer(Bet bet, UUID playerId) {

        for (UUID id : playerBets.keySet()) {
            System.out.println(id);
            System.out.println(playerBets.get(id));
        }

        Set<Bet> betsSet = playerBets.get(playerId);
        boolean betExist = betsSet.contains(bet);

        boolean betIsNew = !betExist;
        return betIsNew;
    }