Event: Woodhouse Cup

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Opponent	Rating	Result
Mark Daley	171	½ - ½
Christopher Bak	188	½ - ½
A Jon Griffith	149	½ - ½
Wan Aizuddin Wan Razali	0	½ - ½
Francesco L Labia	121	1 - 0
Giles Dunn	174	1 - 0
T Noel Stewart	147	1 - 0
Jim WR Nicholson	179	½ - ½
John Hall	180	0 - 1

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

234 = (1309 + 400 * (3 - 1)) / 9)