People use it quite a bit ...
http://www.chess.com/forum/view/chess-openings/do-you-use-analysis-board
Which Chess.com feature or tool would you miss the most if it suddenly disappeared?
Analysis Board (22%)
Chess Mentor (4%)
Tactics Trainer (19%)
Conditional Moves (3%)
Live Chess (30%)
Games Explorer (6%)
Forums (6%)
Daily Puzzle (9%)
Other (please explain) (2%)
Thank you! 1481 votes cast.
How often do people use the analysis window and isn't it a bit of a cheat? (Although I use it nearly all the time).