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Individual Calculations January 2020 |
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| Vasserman, Daniel Total change: -48.40 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2177 | 2.00 | 6 | -2.35 | 20 | -47.00 | |
|  Wang, Ellen | | wf | 1784 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fishbein, Alexander | g | | 2435 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Ramanathan, Suraj | | | 2003 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Ling, Evan Maxwell | | | 1968 | USA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Klenoff, Caleb Jude | | | 1905 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Li, Weijie | | | 1777 * | CHN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 38th Annual Empire City Open | New York, New York | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2177 | 1.50 | 3 | -0.07 | 20 | -1.40 | |
| | Idnani, Taran Ritesh | c | | 1884 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Zhou, Liran | f | | 2317 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Chen, Justin | f | | 2241 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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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