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Individual Calculations February 2019 |
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| Polgar-Shutzman, Tom Total change: 34.00 | |   |
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| 2018 Pan-American Intercollegiate Team Championship | Burlingame, California | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2181 | 2.00 | 3 | 0.71 | 20 | 14.20 | |
|  Kambrath, Yannick | m | | 2330 | FRA | 0.50 | 1 | 0.20 | 20 | 4.00 | |  Creger, Leo | | | 2085 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Derakhshani, Dorsa | m | wg | 2280 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2181 | 4.00 | 9 | 0.99 | 20 | 19.80 | |
| | Wang, Justin | f | | 2419 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Coleman, Teddy | m | | 2352 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Stearman, Josiah | f | | 2298 | USA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Wheeler, Cameron | m | | 2417 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Wang, Kevin | m | | 2450 | USA | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Li, Zhaozhi | m | | 2395 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Tarjan, James | g | | 2402 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Somalwar, Anaiy | | | 2069 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Li, Eric | c | | 2005 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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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