Event: League Division 1

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Opponent	Rating	Result
Martin A Store	1803	½ - ½
Rob Lockwood	1735	½ - ½
Peter M Gayson	2158	0 - 1
Richard D Hardy	2006	0 - 1
Brian H Coop	1888	½ - ½
Craig Magee	1810	0 - 1
Paul Brencher	2007	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1744 = (13407 + 400 * (0 - 3)) / 7)