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Individual Calculations October 2021 |
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| Arencibia, Antonio Total change: -15.00 | |   |
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| 2021 Harvey Lerman Florida State Championship | St. Petersburg, Florida | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2148 | 1.50 | 3 | -0.75 | 20 | -15.00 | |
|  Catlin, Andrew | | | 1999 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Hamley, Ryan | | | 2050 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Gao, Marvin | c | | 1748 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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