Event: 4-Board Division 1

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Opponent	Rating	Result
Stephen Crow	1803	0 - 1
Shaun E Taylor	1743	1 - 0(def)
Ian Scott	1540	0 - 1

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

1272 = (3343 + 400 * (0 - 2)) / 2)