Event: Division 1

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Opponent	Rating	Result
Paul Rowan	1920	½ - ½
Philip RC Wood	1803	1 - 0
Mike J Donnelly	1956	½ - ½

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

2026 = (5679 + 400 * (1 - 0)) / 3)