Cryptic crossword No 3,847

Across

1. God-given ability to deduce accurately (6,5)
2. Government altering of criteria gets old (9)
3. Incentives having limits potentially keeps in check underperformers, at first (7)
4. Outspoken, windy German loathed being excused (10)
5. See 21a
6. Leg dumped right in the auditorium? (5,4)
7. Questions troublemakers in possession of dodgy gun (7)
8. US president heads international party for Japanese code of practice (7)
9. This filmmaker has made "violent" into an art (9)
10. Novello yearned primarily to tickle this (5)
11. Single daughter carrying weight initially? (11)
12. Chronic fatigue for audience for Hollywood award (4)
13. Command to start over coming out of head office (4,3,3)
14. Capital Television air obituary in part (7)

Down

1. Shun getting drunk beneath 6- or 4-armed god (6)
2. On vacation tequila, concoct idiotic plan (6)
3. Regret backtracking over continent's massive landmass (7)
4. It's an accepted truth in academia: complex nuclei forgo cytoplasm ultimately (5)
5. Tipping contents of spindly fish (7)
6. Some nag everyone about diet (5)
7. Set out mind-reading's strong focus on internal structures (15)
8. Crueler and more delicious taking time following focus of slander (7)
9. Faltering mob role coming to flourish again (7)
10. Rare Nintendo through needing repair (4,2,3,6)
11. Settle jumpy horse? (4,2)
12. Shut up sewer out of order (4,4)
13. Manipulate Georgia with neglect (8)
14. i has one of these (6)