Event: Roger Goldsmith Div 1

Opponent Rating Result
Rod B Newbery 1775 ½ - ½
Andrew Shephard 1862 0 - 1
Michael P Meredith 0 ½ - ½
Robert L Jones 1705 ½ - ½
Vikram K Banerjee 1444 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1197 = (6786 + 400 * (0 - 2)) / 5)

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