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Individual Calculations February 2019 |
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| Chatterjee, Trina Total change: -8.00 | |   |
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| 2019 Berkeley Open | Berkeley, California | USA | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1748 | 1.50 | 4 | 0.11 | 40 | 4.40 | |
|  Nayak, Shreyas | | | 1613 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Oza, Nikunj | | | 1818 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Kim, Isaiah | | | 1962 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Wu, Rochelle | | wc | 2148 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 10th Annual Golden State Open | Concord, California | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1748 | 2.50 | 6 | -0.31 | 40 | -12.40 | |
| | Krishnakumar, Sriram | c | | 1816 | USA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Lu, Yixiang | | | 1819 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Oza, Nikunj | | | 1818 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Viswanathan, Arul | | | 1738 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Vidyarthi, Vyom | | | 1994 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Nagpal, Supunay | | | 1380 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | |
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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