Event: Club Championship Gold Section

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Opponent	Rating	Result
Mark Lim	1913	½ - ½
Nigel J Larter	1795
Geoffrey R Moore	2115	0 - 1
David E McLean	1792	½ - ½

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

1807 = (5820 + 400 * (0 - 1)) / 3)