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Individual Calculations September 2015 |
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| Zotkin, Daniel Total change: -22.80 | |   |
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| 2015 ACC Let the Games Begin | Toronto | CAN | 2015-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 1947 | 1.00 | 2 | 0.02 | 40 | 0.80 | |
|  Malakhovets, Sergey | | | 1952 | CAN | 0.50 | 1 | 0.01 | 40 | 0.40 | |  Ferreira, Alex T. | | | 1953 | CAN | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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) | | | | 2015 North American U20 Open Championships | Kitchener | CAN | 2015-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 1947 | 3.00 | 7 | -0.59 | 40 | -23.60 | |
| | Wu, Christopher | | | 2317 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Liu, Daniel | | | 1666 | CAN | 1.00 | 1 | 0.16 | 40 | 6.40 | | | He, Daniel Ming | | | 2174 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | He, Samuel Fei | | | 2083 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Zhang, Henry | | | 1593 | CAN | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Liu, Zhanhe | | | 1753 | CAN | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Idnani, Taran | c | | 1963 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | |
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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