[Konstantinos]

You don't even need a command for that.

pawn Код:

public OnPlayerDeath( playerid, killerid, reason )
{
    if( killerid != INVALID_PLAYER_ID )
    {
        SetPlayerScore( killerid, GetPlayerScore( killerid ) + 1 );
        GivePlayerMoney( killerid, 1000 );
    }
    return 1;
}