Event: Worcestershire Rapidplay league

Opponent Rating Result
Joe Rastall 1831 0 - 1
Stephen V Woodhouse 1888 ½ - ½
David Spowart 1771 1 - 0
Peter W Lawrence 1657 1 - 0
Joe Rastall 1831 0 - 1
Stephen V Woodhouse 1888 0 - 1
David Spowart 1771 ½ - ½
Peter W Lawrence 1657 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1787 = (14294 + 400 * (3 - 3)) / 8)

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