Event: NCCA League Division 4

Opponent Rating Result
Merlin Perrow 1175 0 - 1
Charlie Giggle 1450 0 - 1
Paul J Coppard 1242 0 - 1
Joshua Kerr 1400 1 - 0
Bruce M Carman 1481 0 - 1
David P Jones 1394 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1224 = (8142 + 400 * (2 - 4)) / 6)

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