Event: Calderdale League 2024-25

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Opponent	Rating	Result
David Shapland	1952	½ - ½
Isaac Fossey	1805	½ - ½
Gerald Cuaresma	1944	1 - 0
David C Wedge	1901	½ - ½
David Barlow	2013	½ - ½
Vivien Webster	1663	1 - 0
Phil Cook	2092	0 - 1

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

1967 = (13370 + 400 * (2 - 1)) / 7)