Last week, the Twitch chat took on British Chess Grandmaster Simon Williams in Ripstone's Pure Chess Grandmaster Edition. And, together, they eventually bested the grandmaster.

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Twitch vs Pure Chess Grandmaster ran for four hours on September 9 and spanned three matches. During the event , Twitch users voted for chess commands using the Twitch chat. In the first match, which went on for two hours, Williams was able to secure a win, though Twitch chat was no slouch. In the second match, Williams was blindfolded while playing, relying only on Ripstone employee Mike Rose to read moves to him. He won that one, too.The third match saw Williams lose, and Twitch chat ultimately took a win. Thousands of viewers were awarded Steam codes for a random Ripstone game for succeeding in taking down the Grandmaster. For those who didn't watch live, a full replay is available on Twitch . More Twitch Plays events can be found in Twitch's Twitch Plays hub.Today, Pure Chess Grandmaster Edition released on Steam and Xbox One for $13. The Grandmaster Edition adds new, exclusive chess sets and pieces to the game. New puzzles and comprehensive tutorials have also been added. For more on the original Pure Chess, check out IGN's review from when the game first released

Nicole is a freelance writer for IGN. You can follow her on Twitter