Despite their achievements little has been known about their lives and games. Drawing on a range of sources, the authors fill this gap, providing games with both old and new analyses. An introductory chapter on Berlin chess before 1860 and an appendix on Bernhard von Guretzky-Cornitz complete the book.
Historian Hans Renette is FIDE master in chess (with 2 IM norms). He lives in Bierbeek, Belgium.
Fabrizio Zavatarelli is a teacher of applied mathematics and the author of several articles concerning chess history. He lives in Milan, Italy.