Event: Ladder 2022 2023

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Opponent	Rating	Result
Rob Strachan	1177	0 - 1
Alan Weaver	1167	0 - 1
Rose Saunders	982	1 - 0
Rob Strachan	1181	0 - 1
Steve R Dunleavy	1024	0 - 1
James Gray	1223	0 - 1
Lee Mundy	1272	1 - 0
John Pellegrini	1274	1 - 0
James Gray	1229	0 - 1

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

1037 = (10529 + 400 * (3 - 6)) / 9)