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Individual Calculations October 2021 |
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| Alvarez, Roberto Total change: -4.50 | |   |
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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 |
| 2052 | 2274 | 2.50 | 4 | -0.45 | 10 | -4.50 | |
|  Fernandez, Kenneth | | | 1874 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ben Jemaa, Munir | | | 2008 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Chakrabarti, Brejesh | | | 1913 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Leyva Rivera, Yunier | m | | 2412 | CUB | 0.50 | 1 | 0.19 | 10 | 1.90 | | | * 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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