Event: WDCL Division 2

Opponent Rating Result
David Tomkins 1510 0 - 1
Russell Cowell 1705 ½ - ½
Callum Miller 1500 0 - 1
Robert A Newton 1998 0 - 1
Richard Devonport 1390 1 - 0
Robert Steele 1555 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1543 = (9658 + 400 * (2 - 3)) / 6)

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