Event: OTB Club Championship

Opponent Rating Result
Paul Gilberg 1732 0 - 1
Robert Bird 1300 1 - 0
Dominic Czarnuch 1195 0 - 1
Ralph McHugh 1308 1 - 0
Mark D McWilliams 1502 0 - 1
Kyriacos Kyriacou 1578 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1369 = (8615 + 400 * (2 - 3)) / 6)

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