Event: Jim Luck 23

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Opponent	Rating	Result
Jake Maguire	1550	0 - 1
Siyon Sujeeth	950	1 - 0
Malcolm K Crane	1520	0 - 1

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

1207 = (4020 + 400 * (1 - 2)) / 3)