Event: Division 1

Opponent Rating Result
Brian Smith 1827 ½ - ½
Tom Ormisher 1569 ½ - ½
David A Talbot 1746 ½ - ½
Ronnie Whiteside 1745 ½ - ½
Tom Ormisher 1562 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1770 = (8449 + 400 * (1 - 0)) / 5)

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Opponent Rating Result
Peter Logan 1542 1 - 0
Robert Morris 1671 ½ - ½
Yousaf Ahmed 1436 1 - 0
Robert Grounds 1360 1 - 0
Peter Dickinson 1560 ½ - ½
Thomas Martin 1596 1 - 0
John Whitfield 1808 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1796 = (10973 + 400 * (4 - 0)) / 7)