Test for my readers…
Can you solve this?
Every tournament player learns early on how to win the famous Lucena Position (below), perhaps the most important technique in all of Rook and Pawn endgame theory. Important because it occurs thousands of times every year! Just this past weekend, while playing in the French Team Championship, I witnessed this ending not less than twice on the very first day of play!
Now let me change something in the position above, by adding a pawn on b3:
HOW DOES BLACK WIN?