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Individual Calculations February 2020 |
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| Grabinsky, Aaron Total change: 81.60 | |   |
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| 2019 Pan-American Intercollegiate Championship | Charlotte, North Carolina | USA | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2349 | 4.50 | 5 | 1.18 | 20 | 23.60 | |
|  Sheehan, Andrew | | | 1949 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Bok, Benjamin | g | | 2636 | NED | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Jie, Tianhui | | wf | 1949 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Beatrez, Patrick | | | 1949 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tokhirjonova, Gulrukhbegim | | wg | 2421 | UZB | 1.00 | 1 | 0.60 | 20 | 12.00 | | | * 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) | | | | 2020 Charlotte Open | Charlotte, North Carolina | USA | 2020-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2430 | 2363 | 6.50 | 9 | 2.90 | 20 | 58.00 | |
| | Le, Nguyen | c | | 1999 | VIE | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Tang, Andrew | g | | 2521 | USA | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Ali Marandi, Cemil Can | g | | 2546 | TUR | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Hilby, Craig | m | | 2434 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Yoo, Christopher | m | | 2449 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Chandra, Akshat | g | | 2524 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Jacobson, Brandon | m | | 2470 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Song, Edward | m | | 2411 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Yotov, Valentin | g | | 2516 | BUL | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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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