Here's a position from the ongoing Poikovsky tournament. It's Sutovsky-Jobava, with White to make his 43rd move. What should he do?
Sutovsky did one thing and failed to win (though it was probably good enough to win by a hair, with perfect play), ChessToday mentions a second option chosen by some unnamed internet commentators and refutes it (nicely), but I believe I've found a rather simple third approach (confirmed by the computer) that does win. But perhaps I'm missing something? Have a look here - after you've tried to solve it for yourself, of course!