Event: Rye Trophy

Opponent Rating Result
Trevor J Ansell 1843 0 - 1
Les G Gladwell 1647 ½ - ½
William F O'Connor 1251 1 - 0
Harry Graham 1711 ½ - ½
Harvey W Collins 1544 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1599 = (7996 + 400 * (1 - 1)) / 5)

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