Event: NSDCA Division 3

Opponent Rating Result
Isaac Stanley 1440 ½ - ½
S Ali Arshad 1206 ½ - ½
Christopher Brian 1179 ½ - ½
Martin J Chadwick 1323 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1387 = (5148 + 400 * (1 - 0)) / 4)

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