Event: Division 2 West

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Opponent	Rating	Result
Alibek Jaisinbayev	116	1 - 0
Martin I Willis	110	0 - 1
Guy Greenland	112	0 - 1
Thomas A Alsop	124	1 - 0
Alan A Stonebridge	118	1 - 0
Martin I Willis	110	1 - 0
Ernie Fields	110	½ - ½

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

229 = (800 + 400 * (4 - 2)) / 7)