Botvinnik Challenges Alekhine to World Chess Championship Match

Since the beginning of 1946, the world chess champion Alexander Alekhine had lived alone in the Portuguese tourist town of Estoril. He suffered from a lack of money; he was tormented by illness and alcoholism, boycotted by his colleagues. In early March, he arrived in Lisbon at the invitation of the British Embassy, where he was handed a letter delivered through diplomatic channels.

Dubious Battel

Mikhail Botvinnik by Bill Wall

Alexander Alekhine, Russian Chess Legend

World Championship Return Match : book by Mikhail Botvinnik

Botvinnik — chess genius and hard worker

Mikhail Botvinnik - Wikipedia

Max Euwe (1901-81) by Edward Winter

A Journey Back in Time: Chess World Champions Part 2

The chess games of Mikhail Botvinnik

Magnus Carlsen Hates the World Chess Championship Format

Alexander Alekhine - SparkChess

Chess Trivia: History of Competitive Chess & Chess Gameplay

The career graph and achievements of Mikhail Botvinnik