A lot of rather vague and unsubstantiated claims are made about chess improving children’s thinking skills.

I prefer to take a different approach: to teach very specific thinking skills through chess puzzles and activities.

One thing I do is teach Scientific Method though checkmate puzzles.

  1. Consider the facts
  2. Create a hypothesis
  3. Test your hypothesis
  4. Either accept or reject your hypothesis
  5. If you reject it, create a better hypothesis using the additional facts you now have

I might start with puzzles where I just ask whether or not the position is checkmate. All my pupils have to do is Step 3. They have to ask four questions. Is it check? Can the king move to a safe square? Can I block the check? Can I capture the checking piece? If the answers are ‘Yes, No, No, No’ you accept the hypothesis, otherwise you reject it.

If I set a puzzle where my students have to find a mate in one move they have to go through the complete process.

  1. Consider the facts: the fact is that there’s a mate in 1
  2. Create a hypothesis: that move x is the solution
  3. Test move x to see whether or not it really is mate
  4. If it is, write down the answer
  5. If it’s not checkmate try another move: if, for example, the king can move to e4, you can create a better hypothesis by choosing a move which controls e4.

Here’s a simple example taken from Checkmates for Heroes:


You might start by looking at Qf6+. Black has several ways to get out of check. There’s Re7, Kc7, Kc8 or Ke8. So let’s look for something else. Qh8+ is a better try. Now Black can’t block or stay on the back rank. But it still doesn’t work: Black has Kc7 or Ke7. So try Qb8+ instead. Close, but not quite good enough: Ke7 still gets out of check.

You might then notice the rook on b1 and try Rb8+. This time it is checkmate. Black cannot capture, block or move to a safe square.

In a classroom you might move on to look at other areas where you might use scientific method, and explain how scientists work. Can your students use this thinking skill in their science lessons? In any other lessons? In any other aspects of their life?

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