Event: 4-Board Division 2

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Opponent	Rating	Result
James Hall	114	1 - 0
R Malcolm Hara	124	0 - 1
Dave M Cooper	105	1 - 0
Ron V Kemp	94	1 - 0
William I Wright	110	1 - 0
Richard Atkinson	114	0 - 1
Michael Bangura	86	1 - 0

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

278 = (747 + 400 * (5 - 2)) / 7)