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Individual Calculations February 2023 |
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| Foisor, Sabina-Francesca Total change: -11.40 | |   |
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| 2022-23 Northern Virginia Open - Championship | Dulles, Virginia | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 2196 | 4.50 | 5 | 0.05 | 20 | 1.00 | |
|  Deng, Michael | | | 1796 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tyrrell, Benjamin | | | 1785 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lane, Thomas Coe | | | 1750 | USA | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Wilson, Ronen | | | 2041 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Jing, Andrew | | | 1683 | USA | 1.00 | 1 | 0.04 | 20 | 0.80 | | | * 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) | | | | 55th annual Liberty Bell Open - Major | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 2196 | 1.50 | 4 | -0.62 | 20 | -12.40 | |
| | Ren, Jesse | | | 2000 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Altman, Joshua A | c | | 2128 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Zhou, Jianchao | g | | 2550 | CHN | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Pang, Qi | | | 2071 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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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