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Individual Calculations June 2013 |
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| Richmond, M Barrie Total change: -8.55 | |   |
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| 18th NACA Amateur | Skokie, Illinois | USA | 2013-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1835 | 0.50 | 3 | -0.57 | 15 | -8.55 | |
|  Tutush, Dusan | | | 1961 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | |  Wallach, Kenneth T | | | 2166 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Cohen, Fredric S | | | 1746 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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