Alexander Alekhine – undefeated World Chess Champion

Alexander Alekhine was multiple winner of various international tournaments, fourth World Chess Champion, the only world champion who died undefeated

1992 Alexander Alekhine undefeated chess champion

The 12 Greatest Chess Players of All Time - Chessable Blog

If being strategic is necessary to be a world champion in chess, why did Karpov lose to Kasparov in the world championship of chess? - Quora

The 10 Best Chess Players Of All Time

Capablanca - Chesstutor Learn how to play chess online

The Greatest Chess Players of All Time: The Legends of Chess - EnthuZiastic

The 1937 World Chess Championship - Alexander Alekhine vs Max Euwe (+10 -4 =11)

Chess Art Under Alekhine's Watchful Eye

Capablanca Staunton Chess Pieces - www.

Alekhine - Bogoljubov World Championship Match (1929) chess event

Game - 11, World Chess Championship Mikhail Botvinnik vs Mikhail Tal 1961.