FULL TopPos with overtaking

[Paho]

zom.gsc CallbackKilled:
if(attacker.position>1)
attacker thread scripts\top::kilstat();

		init() {
    precacheString( & "^4Т^7воя ^4н^7овая ^4п^7озиция^2:^2");
    precacheString( & "^4Y^7our ^4n^7ew ^4p^7osition^2:^2");
}

onPlayerConnecting() //read all stats when a player connected
{
    self.killplayers = self.stats["killszom"];
    if (self.killplayers == 0) {
        sql = "SELECT killszom FROM `Accounts`";
        mysql_query(level.mysql, sql);
        result = mysql_store_result(level.mysql);
        self.position = mysql_num_rows(result); //how many positions
        self scripts\ _mysql::mysql_write();
    } else {
        self.position = self.stats["toppos"];
    }
}

kilstat() //when a zombie killing
{
    self.position = self.stats["toppos"];
    statik1 = int(self.position - 1);
    sql = "SELECT killszom, login FROM `Accounts` WHERE `toppos`='" + statik1 + "'"; //position to know where to make a request to find out how many kills the player below us
    mysql_query(level.mysql, sql);
    result = mysql_store_result(level.mysql);
    row = mysql_fetch_row(result);
    ab = int(row[0]); //kills below us Player
    ba = row[1]; //login below us Player
    if (self.killplayers > ab) //if the player's previous kills more kills in the top, then go ahead
    {
        statik2 = int(self.position);
        sql = "UPDATE `Accounts` SET " +
            "toppos='" + statik2 + "' " +
            "WHERE login='" + ba + "'"; //up, who have overtaken, we give him our position
        mysql_query(level.mysql, sql);
        player = self;
        players = getEntArray("player", "classname");
        for (x = 0; x < players.size; x++) {
            if (players[x].pers["loginname"] == ba) //if the one overtaken - online? - Write it in a variable position, and say that it surpassed
            {
                players[x].position = self.position;
                players[x] iprintlnbold("Have overtaken ", self.name);
            }
        }
        self.position--; //give yourself a position on one line below
        sql = "UPDATE `Accounts` SET " +
            "toppos='" + self.position + "' " +
            "WHERE login='" + self.stats["loginname"] + "'";
        mysql_query(level.mysql, sql);
        mysql_free_result(result);
        ///
        player = self;
        players = getEntArray("player", "classname");
        for (i = 0; i < players.size; i++) {
            if (players[i].pers["language"] == "1")
                players[i] iprintln(self.name + " ^4н^7овая ^4п^7озиция^2:^7" + self.position);
            else if (players[i].pers["language"] == "0")
                players[i] iprintln(self.name + " ^4n^7ew ^4p^7osition^2:^7" + self.position);
        }
        if (self.pers["language"] == "1")
            self iprintlnbold("^4Т^7воя ^4н^7овая ^4п^7озиция^2:^2" + self.position);
        else if (self.pers["language"] == "0")
            self iprintlnbold("^4Y^7our ^4n^7ew ^4p^7osition^2:^2" + self.position);
    }
} 
	

BUT during the game at some moment straying column toppos. ONLY toppos! WHY!? pls Help
For example, who was in the first position is reset to the last.