Event: Division 3

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Opponent	Rating	Result
Michael Livesey	1902	0 - 1
Carsten Pedersen	2081	½ - ½
Gary Cook	1960	½ - ½

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

1848 = (5943 + 400 * (0 - 1)) / 3)