[JocAnis]

try this?

#include <amxmodx>

const MAX_PLAYERS = 32

public plugin_init()
{
    register_event("HLTV", "event_new_round", "a", "1=0", "2=0")
    set_task(1.0, "showscores", .flags="b")
}
public event_new_round()
{
    for( new id = 1; id <= get_maxplayers(); id++ )
    {
        if( !is_user_connected( id ) )
            continue

        client_cmd( id, "-showscores" )
    }
}
public showscores()
{
    new players[MAX_PLAYERS], num, id
    get_players(players, num, "bch")

    for (new i = 0; i < num; i++)
    {
        id = players[i]
        client_cmd(id, "+showscores")
    }
}