Event: Division 2

Opponent Rating Result
Igor Doklestic 1921 0 - 1
David O Vaughan 1842 ½ - ½
Stephen M Williams 1793 0 - 1
Alistair A Gilbert 1996 1 - 0
David Painter-Kooiman 1930 ½ - ½
A Clive Walley 1953 ½ - ½
GA Harvey 1846 ½ - ½
Justin Yau 1623 1 - 0
Paul Spiller 1961 0 - 1
A Clive Walley 1937 0 - 1
Shane Roberts 1814 ½ - ½
Roger W Pearce 2019 ½ - ½
Thomas Ash 1730 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1843 = (24365 + 400 * (3 - 4)) / 13)

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