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Individual Calculations December 2018 |
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| Forney, Robert Total change: 29.20 | |   |
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| Marshall Premier November 2018 | New York, New York | USA | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 1832 | 1.00 | 3 | 0.56 | 20 | 11.20 | |
|  Jacobson, Brandon | m | | 2232 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Zhang, Alan | | | 2112 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Ewing, Gabriel | | | 2074 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | | | * 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) | | | | 49th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 1832 | 2.00 | 6 | 0.90 | 20 | 18.00 | |
| | Martinez, Isaac | | | 2127 | USA | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Colding, Ernest | | | 2083 | USA | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Tanenbaum, Zachary | | | 2092 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Mishra, Abhimanyu | c | | 2213 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Tian, Eddy | | | 2151 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Shibata, Robert | | | 1938 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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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