Quote:
(A)
himself a chess legend, found great talent in young Josh Waitzkin and accepted the offer to coach"himself a chess legend" is intentionally awkward but clear in meaning. The key is in the phrase "the offer to coach". Other variations offered all contain identifiable flaws.
Quote:
(B)
being a chess legend, found great talent in young Josh Waitzkin and accepted the offer of coaching
the placement of this present participle phrase isn't ideal because it should modify the entire clause. But the logic of the sentence isn't about Josh acting as a chess legend.
Quote:
(C) a chess legend himself, found great talent in young Josh Waitzkin and accepted the
offer for coachingThe "offer for" idiom should be used to set up the person receiving the offer, as in "I have an offer for you".
Quote:
(D) as a chess legend himself, found great talent in young Josh Waitzkin and accepted the offer
to be coach ofmissing article. should be "to be the coach of"
Quote:
(E) who had been a chess legend himself, found great talent in young Josh Waitzkin and accepted the
offer for coaching ofsame problem as C