Event: Clough (Handicap)

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Opponent	Rating	Result
Angel Gonzalez	0	½ - ½
Nick Mullan	104	0 - 1
Julian Toothill	91	½ - ½
Kenneth W Parkin	96	0 - 1

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

-127 = (291 + 400 * (0 - 2)) / 4)