Event: Ramsgate Siminson Cup 22

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Opponent	Rating	Result
Roy J McAloney	1324	0 - 1
Kenneth Keeler	1444	0 - 1
Frank Usher	1473	0 - 1
Bob Wallace	1477	½ - ½
Bob Wallace	1477	½ - ½
Don Richards	1362	0 - 1
Don Richards	1362	½ - ½

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

1188 = (9919 + 400 * (0 - 4)) / 7)