Event: Ken Bloodworth League

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Opponent	Rating	Result
Anthony Tatam	1450	1 - 0
Caleb Caleshu	0	0 - 1
Graham A Mill-Wilson	1495	1 - 0
Graham A Mill-Wilson	1495	0 - 1
Anthony Tatam	1450	1 - 0
Philip A Lochhead	1608	½ - ½
Paul E Wood	1593	0 - 1
Philip A Lochhead	1608	1 - 0

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

1387 = (10699 + 400 * (4 - 3)) / 8)