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Individual Calculations February 2019 |
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| Zhu, Jack Total change: -0.50 | |   |
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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 |
| 2296 | 2364 | 6.50 | 9 | 1.28 | 10 | 12.80 | |
|  Li, Hanxiang | | | 2104 | CHN | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Calugar, Arthur | m | | 2208 | CAN | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Higashino, Tetsuo | | | 2044 | JPN | 1.00 | 1 | 0.13 | 10 | 1.30 | | | He, Anthony | f | | 2251 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Kollar, Romain | | | 2180 | FRA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Pakleza, Zbigniew | g | | 2506 | POL | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Balakrishnan, Praveen | m | | 2418 | USA | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Li, Ruifeng | g | | 2559 | USA | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Mulyar, Michael | m | | 2398 | USA | 1.00 | 1 | 0.55 | 10 | 5.50 | |
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) | | | | Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2300 | 2364 | 1.50 | 5 | -1.33 | 10 | -13.30 | |
| | Canessa, John | | | 1964 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Macieja, Bartlomiej | g | | 2509 | POL | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Ramirez, Alejandro | g | | 2567 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Eswaran, Ashritha | | wm | 2227 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Costello, Alexander | | | 2231 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | * 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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