Krzysztof Panczyk is an International Master from Poland, an experienced tournament player and a knowledgeable writer. Earlier works for Everyman Chess include Ruy Lopez Exchange, co-authored with Jacek Ilczuk, which was well received by the reviewers and chess public alike. Jacek Ilczuk is a noted theoretician and powerful correspondence player who was a semi-finalist in the email World Championship. Along with Ruy Lopez Exchange, he has co-authored Offbeat Kings Indian with Panczyk.

'Impossible to fault' British Chess Magazine reviewing Panczyk and Ilczuk's Ruy Lopez Exchange.

Krzysztof Panczyk is an International Master from Poland, an experienced tournament player and a knowledgeable writer. Earlier works for Everyman Chess include Ruy Lopez Exchange, co-authored with Jacek Ilczuk, which was well received by the reviewers and chess public alike. Jacek Ilczuk is a noted theoretician and powerful correspondence player who was a semi-finalist in the email World Championship. Along with Ruy Lopez Exchange, he has co-authored Offbeat Kings Indian with Panczyk.

'Impossible to fault' British Chess Magazine reviewing Panczyk and Ilczuk's Ruy Lopez Exchange.