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Individual Calculations August 2021 |
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| Horvath, Andras Total change: 17.20 | |   |
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| 4th Annual Queen City of the Prairie Open and Fort Worth Championship | Fort Worth, Texas | USA | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1747 | 1656 | 2.00 | 3 | 0.81 | 20 | 16.20 | |
|  Deatrick, Alexander | | | 1958 | USA | 0.50 | 1 | 0.35 | 20 | 7.00 | |  Dai, George Jingchang | | | 1707 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Wang, Kalia Yuke | | | 1577 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 2021 US Class Championships - Expert | Houston, Texas | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1656 | 1.00 | 2 | 0.05 | 20 | 1.00 | |
| | Yellamraju, Aparna | | | 1687 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Yang, Daniel | | | 1660 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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