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Individual Calculations May 2019 |
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| Zhao, Jeffrey Renfei Total change: -56.80 | |   |
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| 2019 Aurora Spring Open U2100 | Aurora | CAN | 2019-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1837 | 3.00 | 5 | -0.89 | 40 | -35.60 | |
|  Liu, Harry | | | 1561 | CAN | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Leblanc, Miguel | | | 1437 * | CAN | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Lin, Benjamin | | | 1853 | CAN | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Uthayakumar, Ronan | | | 1524 | CAN | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Joseph Benher, Savio | | | 1595 | CAN | 0.50 | 1 | -0.30 | 40 | -12.00 | | | * 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 Easter U2200 | Kingston | CAN | 2019-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1837 | 4.00 | 8 | -0.53 | 40 | -21.20 | |
| | Zhu, Matthew | | | 1440 | CAN | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Donev, Danail | | | 1856 | CAN | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Han, Johnathan | | | 1521 | CAN | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Xu, Ruoying | | | 1963 | CAN | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Van Rooy, Jake | | | 1816 | CAN | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Doubleday, Bill | | | 1935 | CAN | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Xu, Daniel | | | 1857 | CAN | 0.50 | 1 | 0.03 | 40 | 1.20 | | | England, Max | | | 1785 | CAN | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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) | | |
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