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Individual Calculations January 2016 |
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| Ritter, Jonathan Total change: 19.40 | |   |
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| Oct - Dec 2015 Marshall Thursday Open | New York, New York | USA | 2015-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1742 | 2.50 | 5 | 0.97 | 20 | 19.40 | |
|  Tannebaum, Jeffrey A | | | 1902 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | |  Frumkin, Edward | | | 1887 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Waxman, Marian | | | 1999 | USA | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Brendel, John J | | | 1831 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Scher, Edward | | | 1837 | USA | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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