Event: 2024/25 Douglas Championship

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Opponent	Rating	Result
Keith Allen	2160	0 - 1
Lee Wangenheim	1352	1 - 0
AD Tony Robinson	1688	1 - 0
Brian Towers	1803	½ - ½
Brian Robert Woodard	1710	0 - 1
Colin Watkinson	1483	0 - 1
Alex Hamilton	1482	0 - 1

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

1554 = (11678 + 400 * (2 - 4)) / 7)