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Individual Calculations June 2019 |
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| Guo, Arthur Total change: 14.40 | |   |
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| 28th Annual Chicago Open | Wheeling, Illinois | USA | 2019-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2272 | 5.00 | 9 | 0.72 | 20 | 14.40 | |
|  Xiong, Jeffery | g | | 2672 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Quirke, Jeffrey | | | 2112 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Liang, Awonder | g | | 2600 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Ngo, Bach | | | 1962 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Lee, Megan | | wm | 2088 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Gurevich, Dmitry | g | | 2401 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Li, Hanxiang | | | 2052 | CHN | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Schmakel, Sam | m | | 2437 | USA | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Rozman, Levy | m | | 2367 | USA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | * 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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