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Individual Calculations September 2021 |
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| Root, Douglas D Total change: -1.00 | |   |
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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 |
| 2182 | 2465 | 4.00 | 5 | -0.10 | 10 | -1.00 | |
|  Szpisjak, Steven J | | | 2065 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Enkhbat , Tegshsuren | m | | 2264 | USA | 0.00 | 1 | -0.76 | 10 | -7.60 | | | Mc Entee, Tim R | | | 2065 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Winslow, Elliott | m | | 2152 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Matros, Alexander | m | | 2365 | KAZ | 1.00 | 1 | 0.36 | 10 | 3.60 | | | * 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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