It's been quite a while since the moment I begin playing sit and go's on staking and coaching. According to SharkScope, after 841 games I have a small profit and an average ROI of 10,6%. That's very low because the limits I've played, 1,5 USD KO 90 ppl and 2,5 USD 90 ppl on PokerStars.eu, are incredible easy to beat. The field consists in recreational players and weak regulars.