Event: Division One

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Opponent	Rating	Result
Anthony CP Milnes	1963	0 - 1
Manfred J Egby	1752	0 - 1
John Richardson	1762	0 - 1

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

1426 = (5477 + 400 * (0 - 3)) / 3)