Event: NSDCA Division 3

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Opponent	Rating	Result
Paul Shelley	1429	0 - 1
Raymond F Rhodes	1236	1 - 0
Steve Ballantyne	1354	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1206 = (4019 + 400 * (1 - 2)) / 3)