Event: South Cheshire Shield

Opponent Rating Result
Nigel Gardner 90 0 - 1
Neville S Jones 104 1 - 0
Nicholas PA Wright 117 1 - 0
Les Hall 90 1 - 0
Oliver J Horrocks 90 1 - 0
Nicholas PA Wright 117 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

368 = (608 + 400 * (5 - 1)) / 6)

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