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St John's Norwich Chess Club
2024/2025
Club Championship Silver Section
Event: Club Championship Silver Section
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Excel
Opponent
Rating
Result
Crumpton Clarke
1609
½ - ½
Edward T King
1611
0 - 1
Joseph Grant
1641
½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1487 = (4861 + 400 * (0 - 1)) / 3)
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