A player has probability 0.4 of winning a single game. What is his probability of winning a 'best of 15 games' tournament?
It is believed that weaker snooker players have a better chance of winning matches over eleven frames (i.e. first to win 6 frames) than they do over fifteen frames. Is this true?
Try to move the knight to visit each square once and return to the starting point on this unusual chessboard.
This is the sixth of our challenge ciphers.
We recommend that you attempt them in order, as the solution of each challenge gives a small (and necessary!) hint for the next challenge.