Here's an interesting tactics exercise I saw in a book:
Warning: Don't look at this post until you've found the solution to the above problem. May contain spoilers ;) .
Look what might happen if white decides to be too greedy:
very nice
liked!
i solve your puzzle simple but nice :)
likeddddddddddddddddd ittttttttttttttttttttttttttttttttttttt !!! hehehhe
It's interesting how vulnerable the white king is on this position - allowing black to win even with 2 rooks down, as in the second diagram. Notice that, if black is to move instead, there is an even easier combination:
Here's an interesting tactics exercise I saw in a book: