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Individual Calculations December 2017 |
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| Zhang, Richard Total change: 15.20 | |   |
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| City of Chicago Class Championships | Chicago, Illinois | USA | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1678 | 1.00 | 3 | 0.28 | 40 | 11.20 | |
|  Bronfeyn, Daniel | | | 2005 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Meduri, Aakaash | | | 2047 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Starkman, Eric Chandler | | | 1686 | 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) | | | | 2nd Annual Sevan Muradian Memorial | Schaumburg, Illinois | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1692 | 1.50 | 3 | 0.10 | 40 | 4.00 | |
| | Yermolinsky, Alex | g | | 2092 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wang, William | | | 1661 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Pandey, Divya | | | 1469 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | | | * 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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