The Immortal Chess Problem by Conrad Bayer (1851) – Mate in 9 Moves! Posted on August 17, 2019 by Roger Sharpe The 1st move will be done after 22 seconds. This one is not made for beginners; it would even give grandmasters a hard time … … but it is very nice to watch anyway. But you may also analyze it in reverse if you like. Related posts: How to Solve Chess Puzzles #1 GM Eric Hansen | Lounge Session #84 What exactly should you do in the middlegame? Grandmaster Chess Tactics #5: Can you spot the line?