Event: Baum Trophy summer league

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Opponent Rating Result
Mark D McWilliams 1455 0 - 1
Jonathan Newby 1551 ½ - ½
Brian J Spear 1680 ½ - ½
Mark D McWilliams 1455 ½ - ½
Brian J Spear 1680 ½ - ½
Jonathan Newby 1551 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1495 = (9372 + 400 * (0 - 1)) / 6)

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Opponent Rating Result
Jordan Thomas 1622 1 - 0
Jeffrey Page 1757 0 - 1
Jordan Thomas 1622 1 - 0
Jeffrey Page 1757 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1790 = (6758 + 400 * (2 - 1)) / 4)