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Individual Calculations February 2020 |
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| Samuelson, Andrew Total change: -22.80 | |   |
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| 46th Annual Eastern Open | Falls Church, Virginia | USA | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 2113 | 4.50 | 7 | -1.12 | 20 | -22.40 | |
|  Prem, Pranav | | | 1837 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Jayasundera, Shane | | | 1866 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Tay, Brian | | | 1713 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Yagiz, Bora | | | 1904 | TUR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Zhang, Samuel | | | 1996 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Guha, Eshan | | | 1894 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Diep, Andrew | | | 1811 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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) | | | | 2020 Chesapeake Open - Championship | Rockville, Maryland | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2104 | 4.00 | 7 | -0.02 | 20 | -0.40 | |
| | Zeng, Sheena | | wc | 1987 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Boris, Peter Theodore | | | 1964 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Marler, Alex | | | 2039 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Chabris, Christopher F | | | 2111 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Lowinger, Daniel | | | 2067 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Oberoi, Shelev | | | 2098 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Prestia, Paris | | | 2082 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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