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Individual Calculations September 2021 |
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| Moussa, Alaa-Addin Total change: -8.80 | |   |
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| 4th Annual John T. Irwin National Tournament of Senior State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1969 | 2.50 | 6 | -0.44 | 20 | -8.80 | |
|  Khmelnitsky, Igor | m | | 2369 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Hobbs, Richard Parker | | | 1710 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Matros, Alexander | m | | 2365 | KAZ | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hargrove, James Eryk | | | 1749 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Farrell, John F | | | 1925 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Voje, Daniel W | | | 1880 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | * 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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