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Individual Calculations October 2019 |
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| Kraft, Chip Total change: -64.00 | |   |
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| 2019 Illinois Open State Championship | Downers Grove, Illinois | USA | 2019-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 2050 | 4.00 | 6 | -1.02 | 40 | -40.80 | |
|  Wei, Alan | | | 1650 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Whitmer, Nicholas | | | 1650 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gupta, Aditya | | | 1724 | USA | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Cohen, Fredric | | | 1681 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Kaplan, Avi | | | 1650 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wu, Logan | | | 2058 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | | | * 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) | | | NOTE: K factor changed | | 30th NATO Chess Championships | Berlin | GER | 2019-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 2050 | 3.50 | 7 | -1.16 | 20 | -23.20 | |
| | Langer, Herb | | | 1751 | CAN | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Lakos, Nikoletta | | wg | 2226 | HUN | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Pietruszewski, Marcin | | | 2215 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Wagenaar, Harm Theo | | | 1879 | NED | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Geroly, Jozsef | | | 1766 | HUN | 0.00 | 1 | -0.84 | 20 | -16.80 | | | O`byrne, Daniel | | | 1659 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Allmann, Lauri | | | 1827 | EST | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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