Event: Macclesfield Pomeroy Cup

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Opponent	Rating	Result
Jake Darlington	0	1 - 0
John Astley	113	0 - 1
Patrick V Curr	50	1 - 0
Thomas Robson	96	0 - 1
AR Tony Lane	117	½ - ½

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

75 = (376 + 400 * (2 - 2)) / 5)