Event: Easter Rapidplay

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Opponent	Rating	Result
Michael J Creaney	1661	0 - 1
Sam Stevenson	1060	0 - 1
Thomas Pyman	0	0 - 1

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

507 = (2721 + 400 * (0 - 3)) / 3)