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Individual Calculations July 2023 |
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| Zhurbinsky, David Total change: 2.20 | |   |
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| 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 2075 | 5.50 | 7 | 0.11 | 20 | 2.20 | |
|  Wang, Leo Q | | | 1675 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Min, Ryan | | | 1917 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Lin, Daniel | | | 1781 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Mirafzali, Ali | | | 1968 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Silva, Javier | | | 1779 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Hao, Max | | | 1906 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Lang, Jonathan J | | | 1933 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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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