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Individual Calculations January 2020 |
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| Itkin, David Total change: 6.80 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2255 | 4.00 | 6 | 0.34 | 20 | 6.80 | |
|  Ling, Evan Maxwell | | | 1968 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Martinez, Isaac | | | 2069 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Tang, Andrew | g | | 2506 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Putnam, Liam Henry | f | | 2098 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Fishbein, Alexander | g | | 2435 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Prasanna, Gracy Franco | | | 1855 * | USA | 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) | | |
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