Event: Siminson Cup 24

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Opponent	Rating	Result
Christopher Exton	1112	0 - 1
Kenneth Keeler	1471	0 - 1
Brian W Williamson	1396	½ - ½
Roy J McAloney	1401	0 - 1
Christopher Exton	1112	½ - ½
Brian W Williamson	1396	0 - 1

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

1048 = (7888 + 400 * (0 - 4)) / 6)