Solving time 12:28 + a tad for previous knowledge

This was the first puzzle in preliminary session B of the championship, and it was solved by 53 per cent of the competitors. After some daft mistakes in the last few days (see next Mephisto report as well as comments on Times puzzles), I'm quite pleased to have finished it at all! The W side (corrected from "E side" after posting) came out first, then the S three rows or so. I ended up fairly well stuck on 5,11,17,6 and 8. Got these as pairs of 17 and 8, then 11 and 6, and finally 5 - most of which were annoying as the tricks behind them were all pretty simple and familiar. Adding up my times for session B and adding a bit for prior knowledge gives about 33 mins - probably good enough to qualify, but in about 8th place, I'd guess, so the nerves might have been jangling.

Across

1	T.U.,TO,RAGE - wasted time pondering tutelage
5	(ban)JOISTS - basic idea has certainly been used in clues for 'banjoist(s)'
11	SHAFT - 2 meanings
12	PI(e)TY
13	F(I,RED)RILL - red = a signal currently showing red
15	A,S(TONI)SHED - wasted time looking where to put an "It."
17	W(est) HAM is the soccer team
20	WEATHERMAN - MA in anag. of 'new heart'
22	OR,CHEST,R.A. - beginners note this fairly standard break-up of a useful word
24	W.,ARM
27	ESTATE CAR - state="condition checked" in rev. of race

Down

1	TOM,E - a little joke about the fact that competitors could not "thumb dictionaries" you'd think, except that these were supposedly randomly selected puzzles.
3	REA(m),DYING
4	GO,OFF - simple wordplay, but I usually "nod off" rather than "go off" - to the irritation or amusement of those with me after a few glasses.
6	ONSIDE - on=leg from cricket - beginners note this one, "onside" = in a good (well, legal) position in various forms of football, hockey etc.
7	SPANISH AMERICAN - fell right into the "Mexican criminal" fake anagram trap, then remembered hearing about this clue when this clearly didn't fit with AMERICAN as second word. 'shame' in anag. of 'in Paris can'. "A admit B" = put B in A is a bit of a stretch for my tastes - the wordplay really wants "admitting". With 'can' at the end, it seems possible to do something like "... criminal in Paris admitting humiliation in front of prison".
9	WE,A R(I=middle of shift)EST
14	F(ASTB=anag. of bats)OWLER - if a fowler hunts birds he can be "out for a duck"
18	SEAWATER - anag - "drink"=slang for seawater
21	REVE(A)L - possibly an old chestnut but a very nice clue
23	ACT,ON - London district with several tube stations, Wormwood Scrubs and the Thames Valley Harriers track now called "Linford Christie Stadium".
25	BRIE(f)

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My times for puzzles since my last posting
23,442 - 7:57
23,443 - 6:22
23,444 - 7:58
23,445 - 20:00 - one wrong answer
23,446 - 9:27 - but EAST for ERST. Good thing Virgilius in the Indy was doable!