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Individual Calculations December 2017 |
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| Brodsky, David Total change: 15.80 | |   |
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| CK&Q October FIDE League | Piscataway, New Jersey | USA | 2017-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2379 | 3.00 | 3 | 0.24 | 20 | 4.80 | |
|  Chin, Jonathan | | | 1979 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hu, Merric | | | 1979 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Forney, Robert | | | 1979 * | 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) | | | | 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2376 | 4.50 | 6 | 0.55 | 20 | 11.00 | |
| | Hu, William | | | 1985 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Elezi, Luan | | | 2142 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Jacobson, Aaron | f | | 2284 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Feng, Maggie | f | wc | 2263 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Wang, Wesley | c | | 2233 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Shabalov, Alexander | g | | 2545 | USA | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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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