Event: 4 Board League A

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Opponent	Rating	Result
John E Parr	1458	0 - 1
Greg Billenness	1913	0 - 1
Paul Kadzionis	1388	0 - 1
Angel A Gonzales	1641	½ - ½
Gary Corcoran	1846	0 - 1
Angel A Gonzales	1637	1 - 0
Keith Brack	104	½ - ½

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

1255 = (9987 + 400 * (1 - 4)) / 7)