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Individual Calculations July 2019 |
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| Tang, Zoey Total change: 26.40 | |   |
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| 2019 Washington Open | Lynnwood, Washington | USA | 2019-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1844 | 2.50 | 5 | -0.04 | 40 | -1.60 | |
|  Rosell, John | | | 1956 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | |  He, Daniel | | | 2135 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Vega, Isaac | | | 1604 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Huang, Patrick | | | 1981 | CAN | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Min, Ryan | | | 1444 * | USA | 1.00 | 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) | | | | 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1844 | 4.00 | 5 | 0.70 | 40 | 28.00 | |
| | La Fleur, Zara | | | 1444 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Guo, Ingrid | | | 1523 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Wang, Ellen | | wf | 1822 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Samadashvili, Martha | | wf | 2151 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Hua, Michelle Hsi Hsi | | | 1565 | CAN | 1.00 | 1 | 0.16 | 40 | 6.40 | | | * 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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