Event: NSDCA Division 4

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Opponent	Rating	Result
S Ali Arshad	1180	0 - 1
David A Fuller	1451	0 - 1
Andrew Crosby	1464	1 - 0

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

1232 = (4095 + 400 * (1 - 2)) / 3)