Event: 4-Board Division 2

Opponent Rating Result
Benedikt Pitel 1318 0 - 1
Robin A Edwards 1640 0 - 1
Mark Schofield 1330 0 - 1
Nick Whetton 1612 0 - 1
Mark Schofield 1330 0 - 1
Richard O Callis 1675 0 - 1
Raymond Martin 1204 0 - 1
Steve Tomlinson 1448 0 - 1
Raymond Martin 1204 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1107 = (12761 + 400 * (1 - 8)) / 9)

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