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Individual Calculations December 2017 |
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| Bronfeyn, Daniel Total change: -35.20 | |   |
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| City of Chicago Class Championships | Chicago, Illinois | USA | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 2005 | 2.00 | 4 | -0.95 | 40 | -38.00 | |
|  Starkman, Eric Chandler | | | 1686 | USA | 0.50 | 1 | -0.37 | 40 | -14.80 | |  Zhang, Richard | | | 1678 | USA | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Mangalam, Shreya | | | 1894 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Xu, Arthur | c | | 1959 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | |
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) | | | | 2nd Annual Sevan Muradian Memorial | Schaumburg, Illinois | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 2005 | 3.00 | 5 | 0.07 | 40 | 2.80 | |
| | Carey, Aidan M | | | 1687 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Rao, Patrick | | | 1676 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Kogen, Jonathan | | | 2212 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Starkman, Eric | | | 1686 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Gurevich, Dmitry | g | | 2405 * | 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) | | |
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