Event: Winter Rapid

Opponent Rating Result
Matthew Blackwell 1282 1 - 0
Craig Cowley 1375 0 - 1
Peter Turner 1333 1 - 0
Luke Fisher 1310 1 - 0
Stefan Winman 1291 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1558 = (6591 + 400 * (4 - 1)) / 5)

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