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Individual Calculations December 2017 |
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| Zimmer, Ralph Total change: -13.80 | |   |
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| 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2215 | 3.00 | 6 | -0.69 | 20 | -13.80 | |
|  Chin, Jonathan | | | 1815 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Moradiabadi, Elshan | g | | 2521 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Hu, Merric | | | 2009 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Chin, Angelica | | | 1987 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Iyer, Venkat | | | 1944 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Brattain, Mika | | | 2407 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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