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Individual Calculations September 2019 |
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| Ke, Rianne Total change: -7.60 | |   |
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| 2019 Belt and Road China Hunan International Chess Open Category C | Chang Sha , China | CHN | 2019-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1688 | 0.00 | 1 | -0.27 | 40 | -10.80 | |
|  He, Yichen | | | 1863 | CHN | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | 2019 NAYCC U14 Girls | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1688 | 6.00 | 8 | 0.08 | 40 | 3.20 | |
| | Bilodeau-Savaria, Sandy Rose | | | 1375 | CAN | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Qiao, Joey | | wc | 1542 | CAN | 0.50 | 1 | -0.20 | 40 | -8.00 | |  Tsukerman, Julia | | wc | 1666 | CAN | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Cao, Joy | | | 1584 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Wisniowski, Natalie | | wc | 1640 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Guo, Haotong Hazel | | | 1388 | CAN | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Iyer, Mantra | | | 1328 | USA | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Xie, Joanna Ruojin | | | 1361 | CAN | 1.00 | 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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