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Individual Calculations July 2024 |
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| Cummings, David H. Total change: -44.40 | |   |
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| 2024 Toronto Closed Championship | Etobicoke | CAN | 2024-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2333 | 5.50 | 7 | -0.74 | 10 | -7.40 | |
|  Berengolts, Isai | | | 1935 | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Barron, Michael | m | | 2143 | CAN | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Malakhovets, Sergey | | | 1985 | CAN | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Fradkin, Benjamin | | | 1933 * | CAN | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Sirkovich, Daniel | | | 1933 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Malakar, Saarthak | | | 1933 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Verde, Pino | | | 1933 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 2024 National Open | Las Vegas, Nevada | USA | 2024-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2314 | 1.50 | 6 | -3.70 | 10 | -37.00 | |
| | Das, Rohan | | | 1962 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Ganesan, Vikrant | | | 2038 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | | | Xu, Gordon Zhenyu | c | | 1960 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Bryant, Daniel | | | 1992 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Anand, Vignesh | | | 2026 | USA | 0.00 | 1 | -0.84 | 10 | -8.40 | | | Tang, Ethan J | | | 1970 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |
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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