Event: MID En Passant Cup

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Opponent Rating Result
Martin G Fletcher 1372 1 - 0
Gary R Clifford 1516 ½ - ½
Geoffrey Broadhead 1350 0 - 1
Tye Martin 1437 1 - 0
Harry Homersham 1410 0 - 1
Gary R Clifford 1516 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1367 = (8601 + 400 * (2 - 3)) / 6)

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