Event: Division 1 - Davy Trophy

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Opponent	Rating	Result
Martin J Sheard	158	½ - ½
John R Mercy	153	½ - ½
Peter W Hempson	160	1 - 0
Oliver Graham	161	1 - 0
Anthony Perry	115	1 - 0
Ian Barker	108	½ - ½
Andrew Hards	0	½ - ½

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

294 = (855 + 400 * (3 - 0)) / 7)