Event: NCCA League Division 2

Opponent Rating Result
David M Owen 1757 ½ - ½
David W Moore 1462 1 - 0
Barry Connor 1695 0 - 1
Thomas Annison 1550 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1516 = (6464 + 400 * (1 - 2)) / 4)

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