I've played all the puzzles?

thanks everyone for answers.
i'll try openings, maybe.

also, i think i can be a good puzzle from this game
http://ru.lichess.org/TAh8LgmZ/black#33 (17 move, -4.7)

http://en.lichess.org/@/H3PO5
14k
is this a new challenge?

yes
http://ru.lichess.org/@/BearJr