The Champion
The Champion is a comedy film released in 1915 by Essanay Studios, starring Charles Chaplin alongside Edna Purviance and Leo White.
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Walking along with his bulldog, Charlie finds a "good luck" horseshoe just as he passes a training camp advertising for a boxing partner "who can take a beating." After watching others lose, Charlie puts the horseshoe in his glove and wins. The trainer prepares Charlie to fight the world champion. A gambler wants Charlie to throw the fight. He and the trainer's daughter fall in love.
*Wikipedia*