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Individual Calculations August 2017 |
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| Samadashvili, Martha Total change: -25.20 | |   |
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| 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2112 | 1943 | 3.00 | 9 | 0.47 | 40 | 18.80 | |
|  Bian, Alex | f | | 2266 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Nguyen, Trung | f | | 2132 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Lee, Megan | | wm | 2077 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Zhang, Derek | | | 2040 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Liang, Hairan | | | 2107 | CAN | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Winkelman, Albert | | | 2028 | AUS | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Cooke, Eric | | | 2119 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Virtanen, Teemu | | | 2141 | FIN | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Nyamdorj, Davaaochir | | | 2098 | CAN | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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 North American Youth Chess Championship - U18 Girls | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 2008 | 4.50 | 8 | -1.66 | 40 | -66.40 | |
| | Wang, Constance | | | 1806 | CAN | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Qiao, Cindy | | wf | 1711 | CAN | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Yang, Vicki | | | 1844 | USA | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Liu, Joanna | | wf | 1865 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Trakru, Priya | | wf | 1858 | USA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Kao, Camille Y | | wc | 1762 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Zhu, Evelyn | | | 1736 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Avirneni, Saithanusri | | | 1766 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | The Match of the Millennials - USA vs. The World - U14 Girls | Saint Louis, Missouri | USA | 2017-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2008 | 1.00 | 4 | 0.56 | 40 | 22.40 | |
| | Salimova, Nurgyul | f | wf | 2332 | BUL | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Assaubayeva, Bibisara | | wf | 2386 | RUS | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Salimova, Nurgyul | f | wf | 2332 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Assaubayeva, Bibisara | | wf | 2386 | RUS | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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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