Event: Calderdale League 2024-25

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Opponent	Rating	Result
Simon N Anscombe	1646	0 - 1
Martin Baxter	1671	0 - 1
Hamidreza Faham	1664	1 - 0
Jack Prince	1483	1 - 0
Karim Khan	1741	0 - 1
Neil Taylor	1621	1 - 0
Mark Ormerod	1583	0 - 1
David Kilmartin	1524	½ - ½

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

1567 = (12933 + 400 * (3 - 4)) / 8)