Valeri BronznikBooksThe Chigorin defenceThe Lazy Man's SicilianSizilianisch für MüßiggängerDas Schara-Hennig-Gambit : 1.d4 d5 2.c4 e6 3.Sc3 c5 4.c : d5 cDie Tschigorin-VerteidigungTechniques of Positional Play1d4beat The Guerrillas A Powerful Repertoire Against Annoying Black SidelinesDas Colle-Koltanowski-SystemAuthor data: Open Library