1: Knight-errant or young man in distress (7)
4: Complaining ruler gets expression of disgust (7)
8: Criticise a computer analysis of famous passage (6,5)
10: A hint for the snooker champ? (3)
12: Reportedly regret cutting remark in quarrel (7)
13: He wrote a bit of poetry! (3)
14: Star's drug causes a dark patch (7)
17: Instrument component removed from turbo car in accident (7)
19: Final recipient of product ensured indiscreetly. (3, 4)
20: One hundred listed as 'washed up' (7)
21: Call for help oddly stops (3)
22: Surprise running through bras to underpants (7)
25: Requires five kills, or a single accurate shot. (3)
26: Overcome by disappointment from the rare bonk going awry (11)
27: A teetotaller in an imitation coat wielding a pick-axe (7)
28: Oblique demand for a new church (7)