In this puzzle, the second in this intermediate set, it is white to move and checkmate in two moves. Note that the bottom left corner of the board is ‘a1’. This set is even harder than the last set of puzzles, so if you are struggling, revisit our previous puzzles and solution pages for tips on where to begin (you can find these in the blog). We prefer to receive answers in algebraic notation.
When you think you know the answer, send your solution in to us by submitting the form on this page. We will publish the full solutions, and names of all those who sent us the correct answers, in our blog next week (if you would rather not be named, please say so!).
Everyone who sends in their answers receives at least 1 point. If you correctly guess the first move, you will receive 2 points. If you send in at one full solution you will receive 3 points, and you will receive a further point for each and any correct variation on the solution. The puzzler with the highest score after the six week set of puzzles will win a solver badge/solver spots and a free chess lesson with the teacher of their choice!
Tip for week 2: If the black king moved twice in a row, where you you least like him to go? How can you prevent the king getting there?
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Diagram courtesy of www.chess.com