Event: 45 Minute Rapid Play

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Opponent	Rating	Result
Alfie Simpson	1047	0 - 1
Tony Lee	1287	½ - ½
Gerry Lee	1281	1 - 0

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

1205 = (3615 + 400 * (1 - 1)) / 3)