Event: Division 2

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Opponent	Rating	Result
Rob Lockwood	1687	0 - 1
Simon Dixon	1706	0 - 1
Edward Brookman	1621	½ - ½
Daniel Meredith	1691	½ - ½
Rob Lockwood	1612	0 - 1
Luke Howard	1461	½ - ½
Ben Wood	1743	0 - 1
Jack Howorth	1647	½ - ½
Ric Woodcock	1424	½ - ½

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

1444 = (14592 + 400 * (0 - 4)) / 9)