Event: Cotswold Open

Opponent Rating Result
Michael J Ashworth 2212 0 - 1
Peter J Kirby 2051 ½ - ½
Toby Carter 1988 0 - 1
Luke Honey 1505 1 - 0
Philip J Holt 2214 ½ - ½
Keith Downey 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1595 = (9970 + 400 * (1 - 2)) / 6)

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