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Individual Calculations March 2011 |
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| Sandberg, Evan M Total change: -49.95 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2164 | 2.00 | 6 | -1.51 | 15 | -22.65 | |
|  Stocek, Jiri | g | | 2564 * | CZE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Viswanadha, Kesav | | | 1990 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Vulis, Daniel | | | 2098 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Dixon, Dakota E | | | 2078 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Itkis, Hana | | wf | 2087 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Itkin, David | | | 1829 | CAN | 0.00 | 1 | -0.88 | 15 | -13.20 | | | * 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) | | | | 2011 Berekely International | Berkeley, California | USA | 2011-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2173 | 3.50 | 10 | -0.08 | 15 | -1.20 | |
| | Naroditsky, Daniel | f | | 2419 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Shivaji, Shivkumar | f | | 2303 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Pruess, David | m | | 2377 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Santic, Bereslav | | | 2259 | BIH | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Troff, Kayden | | | 2247 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Pamatmat, Jarod | | | 2100 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Manvelyan, Hayk | | | 2158 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Liou, Yian | | | 2285 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Ris, Robert | m | | 2418 | NED | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gupta, Ankit | | | 2258 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 2nd Annual Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2173 | 1.00 | 4 | -1.74 | 15 | -26.10 | |
| | Zhu, Jack Qijie | | | 2049 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Shin, Kyle | | | 2048 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Haring, Ruth Inez | | wm | 1968 | USA | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Kitagami, Show | | | 2073 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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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