Event: Div 4 - Athenaeum Cup

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Opponent	Rating	Result
Chris Lovell	0	½ - ½
Matt Molloy	1437	1 - 0
Michael W Simmons	1179	1 - 0
Chuanxi Wang	1114	1 - 0
Nigel Moran	0	0 - 1
Steve Daykin	1380	0 - 1
Mick Turnidge	1276	½ - ½
Kirin Harrington	0	½ - ½

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

848 = (6386 + 400 * (3 - 2)) / 8)