Pg_09: History of Variations, By Eduardo J. Marchisotti, Montevideo, Uruguay, The Rubinstein Attack, Karel Treybal, Hromadka, Bad Pistyan Tournament, Emmanuel Lasker, Bernhard Kagan, Dilworth variation of the Ruy Lopez, Kleczynski, Alphonse Goetz, La Strategie, Dr. Schrump, Mehrlen, Alekhine Defense, Moscow Defense, Klyaskin, Stahlberg, Meran Defense, Luis Alberto Gulla, El Ajedrez Americano, Gulla, Anaya Oger, Spielmann, Fritz Barkhuis, Dusseldorf, Frank Schneider, Rellstab, Durt Richter, Deutsche Schachblatter, Kieninger, Niephaus, Lothat Schmit, Teschner, Troger, Unzicker, Luzern Christmas Tournament, olk fox Samisch, Velbert, Honlinger