Event: Div 3 - Batley-Meek Memorial Trophy

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Opponent Rating Result
Benjamin Layton 1578 1 - 0
Steve J Crow 0 ½ - ½
Ryan Watson 0 0 - 1
Brian Crofts 1569 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

687 = (3147 + 400 * (1 - 2)) / 4)

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