Complex sentence: This game is notable for Lee's use of a broken "ladder" formation (normally a pitfall associated with bad beginner play) to capture a large group of Hong's pieces in the lower-right side of the board.
Split into simpler sentences: This game is notable for Lee's use of a broken ladder formation. Here in this case Lee defied the conventional wisdom, managing to capture a large group of Hong's pieces in the lower-right side of the board.