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Individual Calculations February 2023 |
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| Kaufman, Ray Total change: -12.80 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2174 | 4.00 | 8 | -2.24 | 20 | -44.80 | |
|  Kurungod Anoop, Pranav | | | 1836 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | |  Chen, Tianjun | | | 1774 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pesterev, Kirill | | | 1923 | RUS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Xu, Arthur | f | | 2053 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Wang, Jeffery | | | 1953 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Shawkat, Saif | | | 1938 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Onley, David | | | 2031 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Lee, Linden Marcus | | | 2026 | USA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | * 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) | | | | 8th Annual Gulf Coast New Year's Open | Estero, Florida | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2156 | 3.00 | 4 | 1.60 | 20 | 32.00 | |
| | Mitkov, Nikola | g | | 2493 | MKD | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Williams, Oscar | | | 1756 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hernandez Gonzalez, Im William | m | | 2485 | CUB | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Oquendo, Jorge | f | | 2361 | CUB | 0.50 | 1 | 0.26 | 20 | 5.20 | | | * 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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