Event: 4th Simon Bartlett Memorial Open

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Opponent Rating Result
Keith C Arkell 2497 0 - 1
Nigel RE Alldritt 0 0 - 1
George Lekoudis 0 ½ - ½
Michael H Stinton-Brownbridge 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

424 = (2497 + 400 * (0 - 2)) / 4)

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