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Originally Posted by wiki

Vsevolod Rauzer is probably best known for his extensive chess opening theory. The Richter–Rauzer Variation of the Sicilian Defence (also known as the Richter–Rauzer Attack), was named in honor of him and the German master Kurt Richter.

The ECO code (Encyclopaedia of Chess Openings) for the Richter–Rauzer attack is B60.

Rauzer did pioneering work in methods of attacking the Sicilian Dragon by castling queenside. His efforts in this area predate the famed Yugoslav Attack in the Dragon by at least fifteen years. As late as the mid-1950s, Soviet chess literature frequently called the Yugoslav Attack the Rauzer Attack in honor of his pioneering efforts.

In The Ruy Lopez Chigorin Variation, the approach where White exchanges pawns at e5 or c5 and then directs a knight (supported by a pawn at e4) into d5 is also known as The Rauzer Attack. The knight typically travels on the circuit b1-d2-f1-e3-d5 and this attack can be powerful even if it results in a sacrifice of White's e-pawn. This plan has been successfully adopted over the years by many strong Grandmasters, including Bobby Fischer.