$\frak{A}\quad\frak{B}\quad\frak{C}\quad\frak{D}\quad\frak{E}\quad\frak{F}\quad\frak{G}\quad\frak{H}\quad\frak{I}\quad\frak{J}\quad\frak{K}\quad\frak{L}\quad\frak{M}\quad\frak{N}\quad\frak{O}\quad\frak{P}\quad\frak{Q}\quad\frak{R}\quad\frak{S}\quad\frak{T}\quad\frak{U}\quad\frak{V}\quad\frak{W}\quad\frak{X}\quad\frak{Y}\quad\frak{Z}$

a king can't be in check by two different pieces at the same time

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and then

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