Event: LADDER

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Opponent	Rating	Result
Jon Young	1424	1 - 0
David Bradley	1378	½ - ½
Paul W O'Brien	1698	½ - ½
Ben Glyn-Jones	1358	1 - 0
Philip Crompton	1533	½ - ½
Nicholas H Skinner	1843	0 - 1
David Wallis	1657	½ - ½
Marcus Whiting	1445	0 - 1
Philip Crompton	1481	1 - 0
Graham Davie	1548	½ - ½
David Wallis	1619	1 - 0
Ben Glyn-Jones	1400	0 - 1
Jack Witchell	1388	0 - 1
David Wallis	1593	½ - ½
Ben Glyn-Jones	1442	0 - 1

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

1494 = (22807 + 400 * (4 - 5)) / 15)