Event: S&W Dec 2022 Tournament

Opponent Rating Result
Grieg Ichim 1400 0 - 1
Darren Stanway 1601 0 - 1
Phillip Dawson 1238 1 - 0
Donna Chadwick 1258 1 - 0
Maclej Napleraj 1350 0 - 1
Ryan Chattopadhyay 1242 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1282 = (8089 + 400 * (2 - 3)) / 6)

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