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Individual Calculations February 2018 |
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| Virtanen, Teemu Total change: -15.40 | |   |
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| 2017 Pan-American Intercollegiate Team Chess Championship | Columbus, Ohio | USA | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2301 | 0.50 | 4 | -1.84 | 20 | -36.80 | |
|  Vorontsov, Pavlo | g | | 2539 | UKR | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Yang, Christopher | | | 2131 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Harazinska, Ewa | | wm | 2245 | POL | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Coyne, Theodore | | | 2019 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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) | | | | 9th Annual Golden State Open | Concord, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2304 | 2301 | 4.50 | 7 | 1.07 | 20 | 21.40 | |
| | Wang, Henry | | | 1901 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perepelitsky, Phillip | | | 2095 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Stukopin, Andrey | g | | 2590 | RUS | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Coleman, Teddy | m | | 2385 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Naroditsky, Daniel | g | | 2619 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Zavortink, Matt | | | 2133 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | McCambridge, Vincent | m | | 2406 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | * 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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