Event: Division 4

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Opponent Rating Result
David Collinson 1310 1 - 0
Anthony McCool 1360 ½ - ½
Shiva Ramachandran 1400 1 - 0
Abbie Stevens 1561 ½ - ½
Zainabkhan Bozhgulova 2019 0 - 1
Charlie Corden 1311 ½ - ½
Nick Cutler 1500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1494 = (10461 + 400 * (2 - 2)) / 7)

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Opponent Rating Result
Ian Howard 1450 ½ - ½
Stephen Rumsby 1611 0 - 1
Geoffry G Blissitt 1152 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1138 = (4213 + 400 * (0 - 2)) / 3)