Edit: Retarded spelling.
Despite my knowledge being far greater on Chris than DSP, im going for Chris. Reasons being:
Chris almost exclusively plays childish or teenage rated games which as a whole are designed to be easier for their audiences.
He struggled to beat his own littlebigplanet levels which bear in mind HE had created.
Typically plays single player games. This doesn't imply "bad" at games but does show a lack of ability to compete with others.
Judging by his PSN trophies, Chris (who has asked for help to get trophies so can be considered a collector) often doesn't finish games he starts, with difficulty potentially being the cause.
Also if I recall correctly, the game he played with Arthur Spatchcock was a card game (bear in mind, his favoured genre) and Spatchcock wiped the floor with him to the point he started stress sighing. Not conclusive as I dont know Spatchcock's gaming skills, but considering Chris has been playing for well over two decades and cannot sting a combo together and uses pre built decks in card games, he has to be in with a shout.