Complex sentence: It was known that Feaster was a lousy card player but he was decent at blackjack and Hindel knew this so he decided to fix the game after losing Feaster called Hindel a "cheating snake" and mounted his horse and began to ride off.
Split into simpler sentences: It was known that Feaster was a lousy card player but he was decent at blackjack, Hindel knew this so he decided to fix the game. After losing Feaster, called Hindel a "cheating snake" and mounted his horse and began to ride off.