Event: NSDCA Division 2

Opponent Rating Result
Stanislaw Wojtas 1800 0 - 1
Evan Clark 1704 0 - 1
Peter Hornsby 1735 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1480 = (5239 + 400 * (0 - 2)) / 3)

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