Event: Spring Blitz Ladder (5|2)

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Opponent	Rating	Result
Jacob Mulligan	1442	1 - 0
Alan F Page	1764	0 - 1
Clive Scarrott	1146	1 - 0
Richie Allen	1412	1 - 0
David P Jones	1304	1 - 0
David P Jones	1299	0 - 1
Robin Blackwell	1815	0 - 1

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

1512 = (10182 + 400 * (4 - 3)) / 7)