static void Main(string[] args)
    {
        var connectionString = "connection string";

        var url = MongoUrl.Create(connectionString);
        var database = new MongoClient(connectionString).GetDatabase(url.DatabaseName);

        var collection = database.GetCollection<BridgeGameStateDocument>("bridge_games_states");

        while (true)
        {
            Console.WriteLine("Enter _id:");

            var id = Console.ReadLine().Trim();
            var filter = new BsonDocument("_id", id);

            var filter2 = Builders<BridgeGameStateDocument>.Filter.Eq(e => e.Id, id);

            var doc = collection.Find(filter2).FirstOrDefault();

            Console.WriteLine("Success " + doc.Id);
        }
    }



    public class BridgeGameStateDocument
    {
        [BsonId]
        public string Id { get; set; }
        public string HostUserId { get; set; }

        public int? CompeteRound { get; set; }

        [BsonDateTimeOptions(Kind = DateTimeKind.Utc)]
        public DateTime Created { get; set; }

        [BsonDateTimeOptions(Kind = DateTimeKind.Utc)]
        public DateTime? Started { get; set; }

        [BsonDateTimeOptions(Kind = DateTimeKind.Utc)]
        public DateTime? Finished { get; set; }
        public string Vulnerable { get; set; }
        public string DealId { get; set; }

        [JsonConverter(typeof(StringEnumConverter))]
        [BsonRepresentation(BsonType.String)]
        public DealTypeEnum GameType { get; set; }

        [JsonConverter(typeof(StringEnumConverter))]
        [BsonRepresentation(BsonType.String)]
        public GameMode GameMode { get; set; }
        public string HostUserName { get; set; }

        public long BiddingDealNumber { get; set; }
        public string BoardNumber { get; set; }

    }

    public enum DealTypeEnum
    {
        Attack,
        Defence,
        Bidding,
        Compete,
        AttackEasy
    }

    public enum GameMode
    {
        PracticeAttackSets = 1,
        Ebook = 16,
        Bidding = 32,
        Compete = 64,
        PlayEasy = 128
    }