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Individual Calculations September 2017 |
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| Hajiarbabi, Kiana Total change: 16.00 | |   |
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| 14th Annual SPF Girls' Invitational | Saint Louis, Missouri | USA | 2017-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1765 | 1.50 | 3 | 0.17 | 40 | 6.80 | |
|  Nguyen, Thanh Thuy Tien | | wm | 2034 | VIE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Velea, Stephanie | | | 1365 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Demchenko, Svitlana | | wf | 1966 | CAN | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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) | | | | 2017 National Girls Tournament of Champions | Norfolk, Virginia | USA | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1765 | 1.50 | 3 | 0.23 | 40 | 9.20 | |
| | Ziljaeva, Veronika | | | 1738 | LAT | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Vittal, Sanjana | | wf | 1870 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Trakru, Priya | | wf | 1858 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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