<prompt> Translate the following text to EnglishMashabiki wa mchezo wa mchezo wa checkers wamekuwa wakikabiliwa na Armageddon miaka michache iliyopita wakati programu ya kompyuta yenye nguvu inayoitwa Chinook ilipofanya mechi ya sare na mchezaji wa pili bora wa mchezo wa checkers duniani, Don Lafferty.  <response>: Checkers masters stared down their Armageddon a few years ago, when a powerful computer program named Chinook forged a tie with the second-best checkers player in the world, Don Lafferty. 