Event: Worcestershire Rapidplay league

Opponent Rating Result
Paul B Sharratt 1729 0 - 1
David Spowart 1771 1 - 0
Harry G Evans 1958 0 - 1
Stephen V Woodhouse 1888 ½ - ½
Martin Berridge 1692 1 - 0
John F Varilone 1619 1 - 0
Paul B Sharratt 1729 ½ - ½
David Spowart 1771 1 - 0
Harry G Evans 1958 ½ - ½
Stephen V Woodhouse 1888 ½ - ½
Martin Berridge 1692 1 - 0
John F Varilone 1619 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1910 = (21314 + 400 * (6 - 2)) / 12)

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