Across
Teach Tim and Sam complicated algebra etc (11)
Tried to fool the referee from Trinidad, I've decided (5)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Important dance in tent's not started (9)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Anybody shortly to welcome the setter with ecstasy? (7)
Graduate and postgraduate degree overwhelming northern relative (7)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Managed extremely gentle group of mountains (5)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Long-distance traveller steps on small joint (9)
Had groups of people sped to avoid parking? (9)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Student, one looking around (5)
Popular religious groups for six-footers? (7)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Wearing down love god, one with old name (7)
A question about parts of 1 Across? (9)
Follows nothing once leaving Beyoncé with son (5)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Children send Ant and Dec confused messages, ultimately (11)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Down
Some vent angrily, embracing mass political groups (9)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Cheers daughter ahead of European swimmer (7)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Says date's returned, being probed by Times newspapers (9)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Throughout a record, note is held (5)
Somewhat limit a teacher's copy (7)
Pass writer in outskirts of Sheffield (5)
Providing detail of discreet VIP being out of order (11)
You might jump on these public transport routes around Italian river (11)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Spoke directly to Democrat wearing a gown to meet newspaper boss (9)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Chap ditches Charlie and longs to be with Sarah at first, and Joy (9)
Not cracked yet — try Big Dave's Crossword Blog (aimed at experienced solvers)
Thrills old flame with quotes (7)
Perhaps she is in favour of sister taking over (7)
Perfectly good noise (5)
Nicked scarf (5)
Type letters or click words in the clue