Event: OTB Club Championship

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Opponent	Rating	Result
Ian D Hunnable	1889	0 - 1
Reyaansh Narula	1220	1 - 0
Mark RA Murrell	1809	0 - 1
Terry C Skippen	1475	½ - ½
Nic Charles	1294	1 - 0
David Smith	1592	½ - ½
Davi Diniz Afonso	1746	½ - ½

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

1575 = (11025 + 400 * (2 - 2)) / 7)