Event: Division 1

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Opponent Rating Result
Richard D Bohm 1309 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1309 = (1309 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Mike Swift 1285 ½ - ½
Steve Hutchinson 1658 ½ - ½
Parshottambhi D Patel 1383 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1575 = (4326 + 400 * (1 - 0)) / 3)