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Individual Calculations February 2019 |
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| Coleman, Teddy Total change: -9.80 | |   |
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| 28th Annual North American Open | Las Vegas, Nevada | USA | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2361 | 5.00 | 9 | -0.39 | 10 | -3.90 | |
|  Eckert, Doug | f | | 2090 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | |  Pan, Kevin | | | 2122 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Ramer, Scott | | | 2200 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Guo, Arthur | m | | 2271 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Balakrishnan, Praveen | m | | 2418 | USA | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Bai, Jinshi | g | | 2568 | CHN | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Brattain, Mika | | | 2411 | USA | 0.00 | 1 | -0.43 | 10 | -4.30 | | | He, Anthony | f | | 2251 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Calugar, Arthur | m | | 2208 | CAN | 0.00 | 1 | -0.70 | 10 | -7.00 | |
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) | | | | Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2352 | 1.50 | 4 | -0.59 | 10 | -5.90 | |
| | Xiong, Jeffery | g | | 2672 | USA | 0.00 | 1 | -0.13 | 10 | -1.30 | | | Polgar-Shutzman, Tom | | | 2181 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Mackenzie, Dana | | | 2011 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Ruiz Castillo, Joshua Daniel | m | | 2459 | COL | 0.00 | 1 | -0.35 | 10 | -3.50 | |
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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