Fairy Chess

A variation of Chess involving a change in the form of the board, the rules of play, or the pieces used. For example,the normal rules of chess can be used but with a cylindrical or Möbius Strip connection of the edges.

References

Kraitchik, M. ``Fairy Chess.'' §12.2 in Mathematical Recreations. New York: W. W. Norton, pp. 276-279, 1942.

• Euler Quartic Conjecture
• Euler's 6n+1 Theorem
• Euler's Addition Theorem
• Euler's Circle
• Euler's Conjecture
• Euler's Criterion
• Euler's Displacement Theorem
• Euler's Distribution Theorem
• Euler's Factorization Method
• Euler's Finite Difference Transformation
• Euler's Graeco-Roman Squares Conjecture
• Euler's Homogeneous Function Theorem
• Euler's Hypergeometric Transformations
• Euler's Idoneal Number
• Euler's Machin-Like Formula
• Euler's Pentagonal Number Theorem
• Euler's Phi Function
• Euler's Polygon Division Problem
• Euler's Quadratic Residue Theorem
• Euler Square
• Euler's Rotation Theorem
• Euler's Rule
• Euler's Series Transformation
• Euler's Spiral
• Euler's Sum of Powers Conjecture