Event: York Club Championship

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Opponent	Rating	Result
Paul A Johnson	1764	0 - 1
Herbert Lockwood	0	½ - ½
Paul W Jones	0	1 - 0(def)
T Noel Stewart	0	½ - ½
Daniel Meredith	0	0 - 1
J Mantovani	0	1 - 0
Adam Bedi	2006	0 - 1
Ian Craig	0	1 - 0
Derek Toyne	0	½ - ½

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

421 = (3770 + 400 * (2 - 3)) / 8)