Event: Div 2 - Weston Trophy

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Opponent	Rating	Result
Peter Micklethwaite	1986	0 - 1
Callum Brewerton	1709	0 - 1
Shamil Khadaev	1661	½ - ½
Peter Cooper	1629	½ - ½
Paul Wheatley	1788	0 - 1
Srikandha Shanmugam	1835	0 - 1
John N Stevens	1571	½ - ½
Peter Cooper	1629	½ - ½
Geoff Frost	1807	0 - 1
Nigel Baxendale	1648	½ - ½

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

1526 = (17263 + 400 * (0 - 5)) / 10)