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Individual Calculations January 2023 |
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| Zhang, Alex Total change: 101.60 | |   |
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| 2022 Thanksgiving Open | St. Louis, Missouri | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1990 | 2.50 | 4 | 0.49 | 40 | 19.60 | |
|  Pullabhotla, Abhinav | | | 1590 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Nyzhnyk, Illia | g | | 2687 | UKR | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Nemmali, Prateek R | | | 1950 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Tan, Ralph | | | 1975 | USA | 0.50 | 1 | -0.02 | 40 | -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) | | | | 2022 SPICE Cup Open | Chesterfield, MO | USA | 2022-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 1990 | 3.00 | 7 | 2.05 | 40 | 82.00 | |
| | Park, Evan | m | | 2362 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Marjanovic, Annamaria | | wg | 2312 | HUN | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Paul, Justin | f | | 2297 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Yim, Sungho | | | 2243 | KOR | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Plotkin, Victor | f | | 2249 | CAN | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Abrahamyan, Tatev | | wg | 2312 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Sargsyan, Anna | m | wg | 2384 | ARM | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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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