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Individual Calculations August 2017 |
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| Song, Ziyuan (sam) Total change: -44.40 | |   |
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| 2017 Canadian Closed Chess Championship | Montreal | CAN | 2017-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2182 | 4.00 | 9 | 0.20 | 40 | 8.00 | |
|  Gaisinsky, Adam | | | 1922 | CAN | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Yu, Zong Yang | f | | 2393 | CAN | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Zhang, Yuanchen | f | | 2267 | CAN | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Le Siege, Alexandre | g | | 2525 | CAN | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Sohal, Tanraj S. | f | | 2319 | CAN | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Clyde, Jordan | | | 2121 | CAN | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Thavandiran, Shiyam | f | | 2363 | CAN | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Huang, Qiuyu | | | 2034 | CAN | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Plotkin, Victor | f | | 2265 | CAN | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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) | | | | 2017 North American Youth Chess Championship - U18 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2182 | 2.50 | 8 | -1.31 | 40 | -52.40 | |
| | Chiku-Ratte, Olivier-Kenta | f | | 2344 | CAN | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Vettese, Nicholas | f | | 2000 | CAN | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Bellissimo, Joseph | | | 2222 | CAN | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Jacobson, Aaron | | | 2197 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Tanenbaum, Zachary | | | 2107 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Zheng, Andrew | | | 2272 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | He, Anthony | f | | 2309 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | He, Tommy | f | | 2147 | USA | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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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