Event: MCA Division 1

Opponent Rating Result
Mike Stone 2035 ½ - ½
Andrej Stancak 2131 ½ - ½
John P Redmond 2305 0 - 1
Phil Davies 1960 1 - 0
James N Hawkins 1870 ½ - ½
Mike Stone 2035 ½ - ½
Andrej Stancak 2131 ½ - ½
John P Redmond 2305 0 - 1
Roger G Williamson 2235 0 - 1
Phil Davies 1960 ½ - ½
Bashar Rovezi 1848 ½ - ½
Roger G Williamson 2235 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2021 = (25050 + 400 * (1 - 3)) / 12)

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