Soltis, Andy. The inner game of chess : how to calculate and win. / Andrew Soltis. - 1st. ed. - [s.l.] : [s.n.], 1994. - 359 p. : ill. ; 20 cm. - McKay chess library. . Includes index. Pb. ISBN: 0812929913 Subjects--Topical Terms: Chess -- Psychological aspects.