Schiller Eric. Sicilian Defense Classical Richter-Rauzer

Chess Enterprises, 1987. — 76 p. — ISBN13: 978-0931462726.Most games with the Sicilian Defense start with the moves 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Now,
if Black plays 5...a6 it is the Najdorf Defense.
If Black plays 5...g6 it is the Dragon Defense.
If Black plays 5...Nc6 and then
if White plays 6. Bg5 it is the Richter-Rauzer System named after Kurt Richter who was born 24 November 1900 in Berlin and died 29 December 1969 in Berlin and Vsevolod Rauzer who was born 16 October 1908 and died 29 December 1941 in Leningrad USSR.