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Individual Calculations September 2021 |
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| Gibbins, Wilson K Total change: 29.80 | |   |
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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 |
| 2135 | 1992 | 3.50 | 6 | 1.49 | 20 | 29.80 | |
|  Voje, Daniel W | | | 1880 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | |  Ferreiro, Roberto | f | | 2279 | CUB | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Sciacca, Patrick | | | 2045 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Finegold, Benjamin P | g | | 2392 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Perez, Ignacio | f | | 2063 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Winslow, Elliott | m | | 2152 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | * 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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