A very interesting question about chess rules. Checkmate unavailable? - Chess Forums

Hello everybody! I am a chess beginner, and im quite familiar with general game rules, regarding when a game is won/drawn (when a king is checked, and has no legal squares to move, it's a checkmate, or if there are no moves available at all, it's stalemate, which means a draw). but recently i was playing

How could this possibly be mate in two (white to move)? I've spent over an hour on it. (from Chess: 5334 Problems, Combinations, and Games by Laszlo Polgar) : r/chess

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