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Individual Calculations January 2020 |
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| O`brien, Matthew J 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 |
| 2199 | 2149 | 3.00 | 6 | 0.34 | 20 | 6.80 | |
|  Prasanna, Gracy Franco | | | 1749 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tang, Andrew | g | | 2506 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Ngo, Bach | | | 2012 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Mujumdar, Sameer | | | 2044 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Kraai, Jesse | g | | 2460 | USA | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Tokhirjonova, Gulrukhbegim | | wg | 2421 | UZB | 0.00 | 1 | -0.17 | 20 | -3.40 | | | * 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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