Event: Division 4

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Opponent	Rating	Result
Alan Brewis	1297	1 - 0
Brian Kirby	1136	½ - ½
Izyan Anshar	1265	0 - 1
Theo Berkhout	1072	0 - 1
Alan Brewis	1315	0 - 1
Brian Kirby	1119	½ - ½
Izyan Anshar	1267	1 - 0
Theo Berkhout	1089	1 - 0

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

1195 = (9560 + 400 * (3 - 3)) / 8)