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Individual Calculations August 2018 |
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| Li, Zhaozhi Total change: 9.40 | |   |
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| Chicago Chess Center Potawatomi Open | Chicago, Illinois | USA | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2393 | 4.50 | 5 | -0.03 | 10 | -0.30 | |
|  Higuchi, Hiroyuki | | | 1993 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Rajendra, Anupama | | | 1993 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Abbott, James | | | 1993 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Mardov, Dimitar | | | 1993 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Szpisjak, Steven | | | 2100 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | * 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) | | | | 11th Annual Chicago Class | Wheeling, Illinois | USA | 2018-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2393 | 4.50 | 5 | 0.97 | 10 | 9.70 | |
| | Stevens, Matthew | | | 2105 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Tsay, Vincent | f | | 2198 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Turgut, Tansel | f | | 2242 | TUR | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Li, Ben | f | | 2372 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Lehmann, Spencer | | | 2235 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | |
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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