Event: 3rd Cornwall Online League

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Opponent	Rating	Result
John DM Nunn	0	0 - 1
Grant Healey	1761	1 - 0
Michael Hill	1694	1 - 0

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

1285 = (3455 + 400 * (2 - 1)) / 3)