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The Orangutan (Tartakower vs Marcozy, 1924)
1. b4.
Also known as "The Polish" or "The Sokolsky" This dubious-looking initial move for White takes its name from a famous 1924 game between Tartakower and Maróczy in New York. While visiting the Bronx Zoo before the game, Tartakower claimed he "talked" with an orangutan named Susan, who recommended the Polish grandmaster open his game with 1. b4.
The game was drawn, but the name lives on in history.
A monograph on this opening was written by Alexei Sokolsky in 1963.