Event: 4-Board Division 1

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Opponent	Rating	Result
Harry Welsh	40	1 - 0
Steve Donoghue	80	1 - 0
Bryan Wilson	110	½ - ½
Stephen Foster	60	1 - 0
Andrew Reynolds	69	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

392 = (359 + 400 * (4 - 0)) / 5)