Event: Division Four

Opponent Rating Result
John H Loynes 1500 ½ - ½
Thomas Sanderson 1361 ½ - ½
Paul Heeney 1470 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1444 = (4331 + 400 * (0 - 0)) / 3)

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