Event: 4-Board Division 1

Opponent Rating Result
Stephen Garner 1426 ½ - ½
Darren Tomlinson 1076 ½ - ½
Ewan Black 1528 ½ - ½
Edward Staples 1300 0 - 1
Stephen Garner 1426 ½ - ½
Steve Hughes 1439 0 - 1
Ewan Black 1528 0 - 1
Stuart Sharp 1405 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1291 = (11128 + 400 * (1 - 3)) / 8)

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