# Beginner puzzle

## This puzzle is intended to be suitable for people who are new to puzzle solving.

### Clarification: Both experienced solvers and new solvers are welcome to post solutions to this puzzle.

The following conversation took place:

Knave of Hearts: “I stole the tarts.”
Knave of Clubs: “The Knave of Hearts is lying.”
Knave of Diamonds: “The Knave of Clubs is lying.”
Knave of Spades: “The Knave of Diamonds is lying.”

How many of the four Knaves were telling the truth?

Clarification 1: Often in puzzles with knaves, the knaves are all liars. But in this puzzle the knaves aren’t necessarily liars.

Clarification 2: Each knave knows which of the other knaves are lying and which are telling the truth.

Attribution: UK Junior Mathematical Challenge 2015

• I would be inclined to stick with the knaves always lie, knights always tell the truth terminology. The puzzle can trivially be re-phrased to fit that. Commented Aug 1 at 20:55
• @Arkku When I post a puzzle that was created by someone else, I try to use as much of the original text as possible. Commented Aug 1 at 21:42