Event: NSDCA Division 4

Opponent Rating Result
Julian P Cook 1352 1 - 0
Alan E Thomason 1709 ½ - ½
Raymond F Rhodes 1245 1 - 0
Derek Whitehurst 1469 ½ - ½
Charlie Steele 1400 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1515 = (7175 + 400 * (2 - 1)) / 5)

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