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Individual Calculations September 2022 |
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| Zong, Davis Total change: -59.20 | |   |
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| Marshall Premier August 2022 | New York, NY | USA | 2022-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 2231 | 3.00 | 5 | -0.73 | 40 | -29.20 | |
|  Vogel, Jacob | | | 1916 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Zhang, Samuel | | | 1880 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Brodsky, David | m | | 2494 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Berg, George P | | | 1831 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Cheung, Ryan | | | 1898 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | * 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) | | | | 9th Annual Washington International - Championship | Rockville, Maryland | USA | 2022-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2231 | 4.50 | 9 | -0.75 | 40 | -30.00 | |
| | Matviishen, Viktor | m | | 2506 | UKR | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Jian, Alex | | | 2045 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Girsh, Daniel | | | 2118 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Altman, Joshua A | c | | 2156 | ENG | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Slade, Theodore Luke | | | 2060 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Yanayt, Eugene | f | | 2012 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Reiss, Aiden | | | 2057 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Zhao, Erick | f | | 2302 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Noboa, Kevin | f | | 2267 | ECU | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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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