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Individual Calculations February 2019 |
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| Williams, Justus Total change: 39.20 | |   |
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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 |
| 2389 | 2316 | 2.00 | 3 | 0.77 | 20 | 15.40 | |
|  Hevia Alejano, Carlos Antonio | g | | 2476 | CUB | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Heredia Serrano, Carla | | wg | 2160 | ECU | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Ali Marandi, Cemil Can | g | | 2530 | TUR | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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 |
| 2420 | 2316 | 4.50 | 9 | 1.19 | 20 | 23.80 | |
| | Sevian, Samuel | g | | 2647 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kung, Thomas | | | 2133 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Zierk, Steven | g | | 2510 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Harmon-Vellotti, Luke | m | | 2455 | USA | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Ruiz Castillo, Joshua Daniel | m | | 2459 | COL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Ostrovskiy, Aleksandr | m | | 2439 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Katz, Alexander | m | | 2433 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Hevia Alejano, Carlos Antonio | g | | 2476 | CUB | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Ghazarian, Kirk | | | 2226 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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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