Event: 53rd Cotswold Major

Opponent Rating Result
Judd Chidwick 1759 1 - 0
Rob E Wilden 1754 ½ - ½
G Burdell 1781 ½ - ½
David R Rogers 1667 ½ - ½
Derek F Edwards 1698 ½ - ½
Richard H Edney 1828 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1815 = (10487 + 400 * (1 - 0)) / 6)

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