Cryptic crossword. 1d injury for David initially,before a game, perhaps(6) 6d his gun a source of woe(7) 11a day of fools, otherwise one based on theory(1,6) 16a redcoat struggling to exhibit style in the 1930s(3,4) 15d italian city good for code breaker(6) 14d line-up on railway causes anxiety(5) 12d granites polluted by helium, eg(5,3) 18d regal sort of composer(5)
Many thanks to anyone who can help