Znosko-Borovskii, Evg. A. (Evgenii Aleksandrovich), 1884-1952 · London : G. Bell and Sons, ltd. · leaf 20
SPACE Dia9:ram VI. … up an impregnable position. Diagonals are thus alwaysweaker than horizontal or vertical lines. This may also be explained as follows. On whatever hori-zontal or vertical line we take a square, the number of squaresin a hne with it is always 14; so that we might put the valueof any horizontal or…
Chess -- Middle games
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