Event: Division 4B

Opponent Rating Result
Lloyd Beckford 1726 0 - 1
J Andrew Borkowski 1799 ½ - ½
Brian Crewe 1635 ½ - ½
Rod Taylor 1477 ½ - ½
Joseph Wing 1546 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1557 = (8183 + 400 * (0 - 1)) / 5)

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