Cryptic crossword - The Scotsman 07/02/15

Across 1 It falls at the end of playtime (5,7) 8 Initially we had argued readily for landing-stage (5) 9 Rock foundations (9) 11 Dirty, shoddier perhaps, he left (6) 12 Mason’s unforgettable work (8) 14 Where cross-country runners meet (10) 15 Seabird? (4) 18 From the centre, keen to make difficult journey (4) 19 One needs to be tuned into this way of having the same opinions (10) 21 Said to be one agreeing to be a subscriber (8) 23 Direction femur moved outside ligament (6) 25 Former teetotaller keeps dog looking out (9) 26 Joker now going round class first (5) 27 Countries’ shared riches (12) DOWN 1 Aroma coming from piece of worn cloth in the country (9) 2 Without posturing or fancy bits (2-6) 3 50-1 odds in a manner of speaking (4) 4 Everyone individually included in awful burden that had not been broken (10) 5 Display pattern on the skin (6) 6 Terrorists question first person, Middle Easterner (5) 7 Two varieties of cheese from the chalet (5,7) 10 Everything in one’s brain is imaginary (3,2,3,4) 13 Instruction to hurry at chess? (3,1,4,2) 16 Organ played before sweetheart started serving her curry (5,4) 17 Of measurement of verses (8) 20 Fit to tell (6) 22 Prepared to fight (3-2) 24 Some nasty eye gathering (4)