Event: OTB Club Championship

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Opponent	Rating	Result
John V Jestico	1469	1 - 0
Ryan Colclough	1624	1 - 0
Ashley Freeman	2000	0 - 1
Michael GA Wilson	1708	1 - 0
Tu Senan	1575	½ - ½
Istvan Karacsony	1820	1 - 0
Terry D Whitton	1892	½ - ½

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

1898 = (12088 + 400 * (4 - 1)) / 7)