PRITCHARD, D.B. The encyclopedia of chess variants. (1994). Obrds. w. dust-j. First edition. -- Y.P. GELLER. The application of chess theory. (1984). Owrps. -- Y. AVERBAKH. Chess tactics for advanced players. 1984. Ocl. w. dust-j. -- G. d'HOOGHE. Les secrets du cavalier. Le problème d'Euler. (1962). Lge-8°. Or. bind. w. dust-j. -- M. DVORETSKY. School of chess excellence. Ed. & transl. by K. Neat. 2003. 4 vols. Owrps. -- And 7 o. (15).