03/10/20 Puzzle: Solution

In this puzzle, whoever’s turn it is to move (white or black) can checkmate in one.


Thank you to everyone who attempted this week’s puzzle. If you sent in your answers, you received at least 1 point. If you sent in at least one correct solution you received 2 points, and those who sent in two correct solutions received 3 points. This week, the following players received full marks for their solutions:

Natalie Weaver
Aathiran Oyalood
Daniel Wright

This means, in joint first place so far, with 9 points each we have:

Aathiran Oyalood
Daniel Wright

Current runners-up, on 6 points:

Dominic Walters,
Natalie Weaver

This Week’s Solution

For white…

The solution for white this week is quite simple: all you have to do is find all the checks! In this position, there is only one check – a discovered check. By moving to f7, not only do you unleash the black squared bishop on b2, but you also attack the king’s only escape square on g8. The solution is therefore f7++

For black…

It can be a challenge to find checkmates without leaping to the queen or rooks for help. Here, the black rook has no available checks. The only pieces that may be of use to us then, will be either of the knights, of f4 and g3, or the pawn which is about to promote! The king could currently only move to g3 (capturing our knight). If we move that knight to f1, we not only attack the king, but also the square we left. However, from g3 the knight is currently guarding the h1 square, and by moving to f1 we allow the king to escape into the corner of the board.

The other knight on f4 has no available checks. The solution must therefore be to promote the pawn. The only piece that we can promote to with check would be a knight. By promoting to a knight, we also defend the kings escape square on g3, leaving the king with nowhere to run, therefore f1=N++ is our solution for black.

What To Do Next

Tomorrow you will be able find next week’s puzzle on our blog. The puzzler with the highest score at the end will win a free chess lesson with the teacher of their choice and a solver badge and spot/two solver spots. Our runners up will receive a solver badge or a solver spot if they already have a badge. Consistently sending in your results is key to winning so make sure you subscribe below to get notified about the checkmate puzzles the moment they are published.

Diagram courtesy of www.chess.com

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