Znosko-Borovskii, Evg. A. (Evgenii Aleksandrovich), 1884-1952 · London : G. Bell and Sons, ltd. · leaf 41
The Rooks Move bisects the Angleforrred by the Knights Moves. Diagram XXV. … rhe Bishops Rfove bisects the Angleformed by the Knights Moves. made by the moves of Queen(or Rook and Bishop) andKnight. Let the mathema-ticians measure the size of theangles formed by each pair ofKnights moves in this star. There can be no doubtthat the Knights move re-sembles all the other…
Chess -- Middle games
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