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Individual Calculations January 2023 |
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| Colas, Joshua Total change: 66.00 | |   |
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| 2022 SPICE Cup Open | Chesterfield, MO | USA | 2022-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2364 | 2228 | 5.50 | 9 | 2.61 | 20 | 52.20 | |
|  Macovei, Andrei | m | | 2482 | MDA | 0.50 | 1 | 0.31 | 20 | 6.20 | |  Grabinsky, Aaron | m | | 2420 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Yip, Carissa Shiwen | m | wg | 2385 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Vanmeter, Lester L | f | | 1852 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Peycheva, Gergana | f | wm | 2317 | BUL | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Bora, Safal | m | | 2441 | USA | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Preotu, Razvan | g | | 2493 | CAN | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Srivatshav P, Rahul | g | | 2498 | IND | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Kavutskiy, Kostya | m | | 2387 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | 37th annual Eastern Open - Premier | Arlington, VA | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2228 | 5.50 | 8 | 0.69 | 20 | 13.80 | |
| | Wang, William | | | 1828 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sammons, Evan | | | 1905 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Leon Oquendo, Jorge | f | | 2376 | CUB | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Glasser, Abraham | | | 1926 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Su, Kevin | | | 1999 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Resika, Nathan | f | | 2061 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Bortnyk, Mykola | m | | 2455 | UKR | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Corrales Jimenez, Fidel | g | | 2525 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | * 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) | | |
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