Event: Div 1 - Davy Trophy

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Opponent	Rating	Result
Michael R Handley	2103	½ - ½
Shamil Khadaev	1661	0 - 1
Stuart Crosthwaite	1935	0 - 1
David Moore	1614	½ - ½
Daniel J Clayton	1769	0 - 1
Peter Locking	1615	½ - ½
Tim Humphries	1881	0 - 1
Robert Porter	1604	1 - 0

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

1623 = (14182 + 400 * (1 - 4)) / 8)