Event: D&DCL Div 2

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Opponent	Rating	Result
Martin Pettinger	0	1 - 0
James R Shore	140	1 - 0
Ralph MA Allen	145	½ - ½
Anthony L Natt	161	0 - 1
Mike Allen	122	1 - 0
James R Shore	140	½ - ½
James R Shore	140	1 - 0
Ralph MA Allen	145	1 - 0

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

324 = (993 + 400 * (5 - 1)) / 8)