Learning Haskell with Chess

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Exercise 1

Learning Targets

  • recapitulate Haskell types (type, data, product and sum types)
  • equality (in particular if using Helium)
  • pretty printing pieces, boards, ...


  • Define data types that represent boards, squares, positions, pieces and game states.
  • Helium: Implement suited eq-functions.
  • Implement a function prettyBoard, that transforms a board into a clearly arranged string representation (human readable :-)). Support this function with auxiliary functions that pretty print pieces, squares, ...