After Alekhine's death as incumbent world chess champion in 1946, the chess world entered a period of interregnum where no grandmaster could legitimately claim the title as his own. The first great post-war tournament was that at Groningen in Holland. This witnessed a mighty race between the former champion Dr Max Euwe and the chief Soviet protagonist Mikhail Botvinnik. Had Euwe won he would doubtless have been proclaimed world champion anew - so for Botvinnik it was vital to win in order to keep his prospects of a challenge alive. This book, reproduced from the original contemporary notes,...