On the Subject of the Chessboard

Without pressure, chess can feel more like a game of tic-tac-toe. Also you have this chessboard handy. Cool!

#5 is even* SN ends in even BNKRRQ
SN ends in odd BRKRRQ
#5 is odd* SN ends in even KNQRQB
SN ends in odd KRKRQN

*Add the coordinate’s letter (a–f = 1–6) and its number and see if the result is odd or even.