Event: IM Brown Shield

Opponent Rating Result
Andrew Birtwhistle 1752 0 - 1
Lackson Mzizi 1899 0 - 1
Chris R Tinker 1677 ½ - ½
David L Pedro 1775 0 - 1
Lucas Whitehead 1502 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1561 = (8605 + 400 * (1 - 3)) / 5)

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