Event: 5th Simon Bartlett Memorial Intermediate

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Opponent	Rating	Result
Malcolm A Roberts	1680	½ - ½
Kevin Winter	1751	0 - 1
Ian R Rescorla	1682	½ - ½
Nicholas E White	1627	0 - 1

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

1485 = (6740 + 400 * (0 - 2)) / 4)