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Individual Calculations May 2019 |
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| Van Rooy, Jake Total change: -28.80 | |   |
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| 2019 Kingston Open | Kingston | CAN | 2019-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1816 | 3.00 | 4 | 0.10 | 20 | 2.00 | |
|  Hughes, Stephen | | | 1464 | CAN | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Pace, Christopher | | | 2089 | CAN | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Dickson, Raymond | | | 1416 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ning, Alwin | | | 1416 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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 |
| 1750 | 1816 | 3.00 | 8 | -1.54 | 20 | -30.80 | |
| | Xu, Daniel | | | 1857 | CAN | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Xu, Ruoying | | | 1963 | CAN | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Zhu, Matthew | | | 1440 | CAN | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Zhao, Jeffrey Renfei | | | 1837 | CAN | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Han, Johnathan | | | 1521 | CAN | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Joseph Benher, Savio | | | 1595 | CAN | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Latreille, Etienne | | | 1965 | CAN | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Mercure, Gilbert | | | 1821 | CAN | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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