Event: Division 3

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Opponent	Rating	Result
Dan Watson	1278	1 - 0
Mick Brown	1454	½ - ½
Michael David (Mick) M Adams	1263	0 - 1
Mike Griffiths	1473	0 - 1
David Gamble	1398	1 - 0
Gordon Milner	1060	1 - 0
Richard Paul Smith	1465	1 - 0
John Howlett	1529	1 - 0

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

1515 = (10920 + 400 * (5 - 2)) / 8)