Puzzle2: a sad rook

Black starts and wins

Played on: FICS.
Answer found: when I was playing.
My color: black.
Time control: 5+0.
Date: Sept 10, 2012.

Puzzle1: one painful move; check it twice

Black starts and wins

One correct move and all problems solved!
Played on: FICS.
Anwer found: when I was playing, but a few moves later.
My color: black.
Time control: 45+45.
Date: May 27, 2012.