Forum:What about trap holing a monster with an atk less than 900 points?

so for example when like star boy and etc... is summoned and there atk is not less than 1000 can u trap hole it because it effect gain it atk to higher than 1000 pts? 550+500(starboy effect)=1050 chained=traphole=DEAD also command knight, can bottomless traphole work on it because the same issue like starboy?