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Individual Calculations July 2019 |
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| Cheng, Chao Xin Total change: -98.80 | |   |
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| 2019 Chess Excellence Open | Melbourne | AUS | 2019-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1473 | 1.00 | 4 | -1.50 | 40 | -60.00 | |
|  Ryjanova, Julia | | wg | 1873 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Zhang, Kevin W | | | 1073 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Li, Chuyue Angie | | | 1228 | AUS | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Chai, Isaac | | | 1321 | AUS | 0.00 | 1 | -0.70 | 40 | -28.00 | | | * 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) | | | | 2019 Victorian Open | Melbourne | AUS | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1385 | 1473 | 2.00 | 5 | -0.97 | 40 | -38.80 | |
| | Vella, Christopher | | | 1075 | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chiverton, Fergus | | | 1729 | AUS | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Gao, Arthur | | | 1247 | AUS | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Augustine, Darline | | | 1220 | AUS | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Zhao, Yi Fan | | | 1655 | AUS | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | |
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