Event: Division 3

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Opponent	Rating	Result
Nigel Bowler	1674	0 - 1
Marcel V Taylor	1696	0 - 1
Peter W Gorecka-Marshall	1736	0 - 1
Benjamin Humphreys	1588	0 - 1
Brian M Hayward	1692	½ - ½
Ronald Watson	1399	0 - 1
Benjamin Humphreys	1588	0 - 1
Paul D Rees	1565	0 - 1
Graham J Gibson	1637	0 - 1
Paul D Rees	1565	0 - 1

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

1254 = (16140 + 400 * (0 - 9)) / 10)