Event: Div 2 - Weston Trophy

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Opponent	Rating	Result
Mick McManus	1602	1 - 0
Shamil Khadaev	1661	½ - ½
Paul Herring	1695	½ - ½
Nigel Baxendale	1648	½ - ½
Peter Locking	1615	1 - 0
Ron Keenan	1562	1 - 0
Dylan Connolly	0	½ - ½
Neil Todd	1745	0 - 1
Ethan Sallis	1424	1 - 0

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

1572 = (12952 + 400 * (4 - 1)) / 9)