Event: Walker Shield

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Opponent Rating Result
David Marsden 1409 1 - 0
Thomas E Simpson 1528 ½ - ½
Frank Usher 1547 0 - 1
Frank Usher 1547 0 - 1
David Marsden 1409 1 - 0
Hanshuo Zhang 1331 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1395 = (8771 + 400 * (2 - 3)) / 6)

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Opponent Rating Result
Hanshuo Zhang 1331 ½ - ½
Roy J McAloney 1422 1 - 0
John Scott 1389 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1647 = (4142 + 400 * (2 - 0)) / 3)