Event: Division 2

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Opponent	Rating	Result
Zbynek Strela	1699	0 - 1
Graeme Jones	1723	½ - ½
Chris Wescomb	1600	0 - 1

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

1407 = (5022 + 400 * (0 - 2)) / 3)