Event: Division 2

Opponent Rating Result
Owen R Robson 1681 ½ - ½
Paul W Anderson 1718 ½ - ½
Bertie Leatham 1330 0 - 1
Stuart R Acton 1281 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1503 = (6010 + 400 * (1 - 1)) / 4)

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