Event: Maidstone Club Championship (22/23)

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Opponent	Rating	Result
Dylan Woolerton	1098	1 - 0
Andrew Waldock	1336	1 - 0
Robert Mason	1153	0 - 1
Edward Lewis	800	1 - 0
Christopher MW Wise	1194	1 - 0
Tye Martin	1378	0 - 1
Ian Latuskie	1157	0 - 1

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

1217 = (8116 + 400 * (4 - 3)) / 7)