Event: Sheffield, 2nd Mini Standardplay Improvers

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Opponent Rating Result
Elliott Harris 167 0 - 1
Marek Krajci 1529 ½ - ½
Zilu Ji 167 1 - 0
Mengzheng (Evan) Shi 1343 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

902 = (3206 + 400 * (2 - 1)) / 4)

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