This historical thriller set in 1914 St. Petersburg has got it all: an intricate plot, colorful characters, chess masters, Bolsheviks and a famous psychoanalyst. For the uninitaited, Zugswang is a chess term for the situation where the player must make a move, none of the choices good. An Irish novelist frequently on the shortlist for the Booker and Whitbread, Bennett includes move-by-move reproductions of chess moves.  (RUS370, $15.00)