Event: Haslemere Trophy

Opponent Rating Result
Ian Searle 1622 0 - 1
Steve Harley 1789 0 - 1
Michael J Lord 1557 1 - 0
Ian Searle 1622 1 - 0
Steve Harley 1789 0 - 1
Michael J Lord 1557 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1523 = (9936 + 400 * (2 - 4)) / 6)

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