Claim: Gyula Breyer had a plus record against Max Euwe, the fifth player to become World Chess Champion, and set a blindfold chess record by playing 25 games simultaneously.
Evidence: Breyer had a plus record against Max Euwe (later world champion). In 1921 Breyer set a new blindfold chess record by playing 25 games simultaneously. He was the fifth player to become World Chess Champion (1935–37).