Kornev: A Practical White Repertoire with 1. d4 and 2. c4 - Volume 1 Erzählungen und Romane Open games are well known

Open games are well known to lead to sharp positions

All three of White's responses (5

spannender und origineller Ideen auf Basis eines Repertoires beginnend mit den Zügen 1

This forces opponents to rely on their own understanding rather than prepared variations

the books were Alekhine's Block

Kornev: A Practical White Repertoire with 1. d4 and 2. c4 - Volume 1 Erzählungen und Romane Open games are well knownThe Complete Queen's Gambit Excerpts from the intro: "Sooner or later every chess player faces the problem of building his or her opening repertoire. This is particularly difficult when you play with White, since you need to be well prepared against all of Black's possible responses. However, most players, including the author, have no inclination to devote all their time to studying opening variations. Therefore, we have decided not to cover 1. e2