A Scrabble Luck Calculator

On average, the tests show that equally-skilled players should expect an 18 percent difference in their scores. The largest difference in scores was 81.3 percent; despite using the same strategy, one player earned 623 points, and the other earned 263. By visiting this website, players can plug in their Scrabble scores to get an idea of how confident they should be in their wins and losses—the amount of luck in Scrabble can make it difficult to judge one’s own skill level.

Source: nautil.us