Event: Silver Queen Autumn 22

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Opponent	Rating	Result
Gavin Waterman	1159	1 - 0
Dmytro Gostiev	1421	0 - 1
Adrian Kaszuba	1881	0 - 1
Paulo Ripardo	1518	1 - 0
Claude Masseron	1681	0 - 1
Leszek Nawalaniec	1470	0 - 1
Adam Majewski	1399	0 - 1
Frederick Fairhurst	1203	1 - 0
Jimmy Blair	1458	½ - ½

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

1377 = (13190 + 400 * (3 - 5)) / 9)