Event: Bishop's Cleeve v Div 3 teams

Opponent Rating Result
Ian Webster 1425 1 - 0
David Horton 1173 1 - 0
Nigel C Emson 1600 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1666 = (4198 + 400 * (2 - 0)) / 3)

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