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Individual Calculations December 2017 |
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| Lewis, James E. Total change: -22.80 | |   |
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| 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 2143 | 2.00 | 6 | -1.14 | 20 | -22.80 | |
|  Shabalov, Alexander | g | | 2543 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Idnani, Taran | c | | 1886 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Chin, Angelica | | | 1987 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Mucerino, Joseph | | | 2075 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Pedersen, Christian | m | | 2423 | DEN | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Song, Alan | | | 1925 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | * 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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