Individual Calculations February 2019 |
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Liu, Joanna Total change: 71.20 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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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 |
2201 | 1891 | 3.00 | 8 | 1.78 | 40 | 71.20 | |
| Yuan, Yuanling | | wm | 2265 | CAN | 1.00 | 1 | 0.90 | 40 | 36.00 | | Guo, Arthur | m | | 2271 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | Ramoutar, Alan-Safar | f | | 2180 | TTO | 0.00 | 1 | -0.16 | 40 | -6.40 | | Li, Hanxiang | | | 2104 | CHN | 1.00 | 1 | 0.77 | 40 | 30.80 | | Ryba, Andrew | | | 2232 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | | Lehmann, Spencer | | | 2254 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | Vidyarthi, Vyom | | | 2007 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | Toloza Sota, Pablo | m | | 2291 * | CHI | 0.00 | 1 | -0.08 | 40 | -3.20 | | * 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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