Event: Division 3

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Opponent	Rating	Result
Mike Nevin	1626	½ - ½
Fred S Dickson	1606	0 - 1
Roger Ball	1491	1 - 0
Roy G Watson	1555	1 - 0
Jesse Campbell	1450	1 - 0
Warren Archibald	1550	0 - 1
David Reeves	1463	1 - 0
Roger Ball	1446	1 - 0

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

1673 = (12187 + 400 * (5 - 2)) / 8)