Event: Division 3 East

Opponent Rating Result
Nigel Crucefix 85 ½ - ½
Nigel Crucefix 85 0 - 1
Graeme Lane 80 1 - 0
Geoff T Berryman 93 1 - 0
William Veitch 89 0 - 1
Antony J Sage 115 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

25 = (547 + 400 * (2 - 3)) / 6)

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