Event: OTB Club Championship

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Opponent Rating Result
Puzant Merdinian 1467 ½ - ½
Ryan Colclough 1714 1 - 0
Paul R Barclay 1797 ½ - ½
Tu Senan 1612 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1748 = (6590 + 400 * (1 - 0)) / 4)

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