Event: NSDCA VMS Division

Opponent Rating Result
Julian Bulbeck 1503 0 - 1
John Lightfoot 1105 1 - 0
George Bulbeck 1503 0 - 1
James Marshall 1473 0 - 1
David P Price 1555 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1188 = (7139 + 400 * (1 - 4)) / 5)

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