Event: League Division Two

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Opponent Rating Result
Jamie Watkin-Rees 0 0 - 1
Simon Weaver 1473 ½ - ½
Nigel W Morris 1603 1 - 0
Nigel W Morris 1554 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1258 = (4630 + 400 * (2 - 1)) / 4)

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