Event: Siminson Cup 23

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Opponent	Rating	Result
Kenneth Keeler	1405	0 - 1
Brian J Westover	1806	0 - 1
Roy J McAloney	1422	0 - 1
Paul Worledge	1813	0 - 1

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

1212 = (6446 + 400 * (0 - 4)) / 4)