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Individual Calculations February 2019 |
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| Viswanathan, Arul Total change: 31.20 | |   |
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| Bay Area Amateur Championship | Burlingame, California | USA | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1738 | 2.00 | 3 | 1.08 | 40 | 43.20 | |
|  Uzzaman, Ashik | | | 1934 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Yan, Rui Yang | | | 2030 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Hung, Anthony | | | 1725 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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 |
| 1854 | 1738 | 0.00 | 2 | -0.71 | 40 | -28.40 | |
| | Lee, Addison | | | 1960 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Chatterjee, Trina | | | 1748 | USA | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | | | CM Azhar Memorial Championship | Santa Clara, California | USA | 2019-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1738 | 2.00 | 4 | 0.41 | 40 | 16.40 | |
| | Finkelstein, Alan | | | 1751 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Pan, David | | | 1976 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Wei, Jeffrey | | | 1965 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Sivakumar, Shaaketh | | | 1586 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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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