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Individual Calculations September 2019 |
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| Lefort, Victor Total change: -23.60 | |   |
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| 2019 Canadian Amateur Over1600 | Kitchener | CAN | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1482 | 1.50 | 5 | -0.63 | 40 | -25.20 | |
|  Liao, Joseph | | | 1529 | CAN | 0.50 | 1 | 0.07 | 40 | 2.80 | |  Jones, Avery | | | 1375 | CAN | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Orozco, Joey | | | 1820 | CAN | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Samokysh, Yevhen | | | 1473 | CAN | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Locham, Divjot | | | 1536 | CAN | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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 Hamilton Summer Open | Hamilton | CAN | 2019-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1482 | 1.00 | 4 | 0.04 | 40 | 1.60 | |
| | Berengolts, Isai | | | 1882 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bailey, Doug | f | | 1882 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | D`orante, Marco | | | 1403 | CAN | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Shah, Omaray M. | | | 1735 | CAN | 1.00 | 1 | 0.81 | 40 | 32.40 | | | * 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) | | |
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