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Individual Calculations December 2021 |
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| Deatrick, Alexander Total change: 25.20 | |   |
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| 26th Annual Northeast Open - Major | Stamford, Connecticut | USA | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1988 | 1.00 | 1 | 0.20 | 20 | 4.00 | |
|  Goktepe, Derin | | | 1751 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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) | | | | Niagara Falls Open - Major | Niagara Falls, New York | USA | 2021-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 1988 | 2.50 | 4 | 1.06 | 20 | 21.20 | |
|  Hu, Alexander C | | | 2013 | USA | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Song, Michael | m | | 2388 * | CAN | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Bellahcene, Bilel | g | | 2388 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sharma, Vishruth Vinayak | | | 1732 | CAN | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | |
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