Event: BCL Division 2

Opponent Rating Result
Mahmoud Dairi 1295 ½ - ½
Kryzsztof Kapustynski 1600 0 - 1
Nigel B Walker 1472 0 - 1
Dixon H Jones 1665 0 - 1
John E McKeon 1511 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1189 = (7543 + 400 * (0 - 4)) / 5)

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