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Individual Calculations February 2020 |
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| Cohen, Lawrence S Total change: -4.80 | |   |
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| FIDE December Open | Des Plaines, Illinois | USA | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1824 | 2.00 | 4 | -0.24 | 20 | -4.80 | |
|  Kabelac, Jiri V | | | 1630 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Tutush, Dusan | | | 1886 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Reddy, Shreyas | | | 1797 | USA | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Gupta, Aditya | | | 1798 | USA | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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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