Event: U1650 Rapid

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Opponent	Rating	Result
Mark D McWilliams	1425	0 - 1
Vincenzo Nicosia	1545	0 - 1
Dominic Czarnuch	1464	0 - 1
Ivan Hutcheson	1450	1 - 0
Vincenzo Nicosia	1545	1 - 0
Mark D McWilliams	1425	½ - ½
Ivan Hutcheson	1450	1 - 0
Dominic Czarnuch	1464	½ - ½

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

1471 = (11768 + 400 * (3 - 3)) / 8)