It is certainly one of the most famous games in chess history: the 13-year-old future FIDE World Champion Bobby Fischer played a spectacular combination against IM Donald Byrne, one that has been shown and analysed by generations of chess players and writers. Today on what would have been Bobby's 81 birthday, GM Efstratios Grivas gives us a comprehensive summary of all available analysis, including those of Garry Kasparov and GM Karsten Mueller of ChessBase. Many other sources were taken into account to make sure that no blind spots are remaining!
The Sicilian Najdorf is one of the most aggressive answers to 1.e4, and its theory develops dynamically - the young German grandmaster Luis Engel brings all aficionados up to date with his two-volume Fritztrainer course. Christian Höthe had a look at the course and is enthusiastic.