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Individual Calculations September 2015 |
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| Song, Ziyuan (sam) Total change: -4.80 | |   |
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| 2015 North American U20 Open Championships | Kitchener | CAN | 2015-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2031 | 4.50 | 9 | -0.12 | 40 | -4.80 | |
|  Wang, Kevin | f | | 2363 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Liu, Zhanhe | | | 1753 | CAN | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Shen, Arthur | f | | 2339 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Zhang, Henry | | | 1631 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Li, Ben | | | 2188 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Sohal, Tanraj | | | 2263 | CAN | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Liang, Hairan | | | 1814 | CAN | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Xu, Jeffrey | c | | 1847 | CAN | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Idnani, Taran | c | | 1963 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | * 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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