Event: NSDCA Division 4

Opponent Rating Result
Nicholas PA Wright 1437 0 - 1
James Wolstenholme 1528 ½ - ½
James Marshall 1539 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1368 = (4504 + 400 * (0 - 1)) / 3)

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