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Individual Calculations August 2017 |
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| Zhang, Yuanchen Total change: 23.80 | |   |
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| 2017 Canadian Closed Chess Championship | Montreal | CAN | 2017-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2292 | 2267 | 4.50 | 8 | 0.71 | 20 | 14.20 | |
|  Durette, Francis | | | 2028 | CAN | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Hambleton, Aman | m | | 2471 | CAN | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Song, Ziyuan (sam) | | | 2182 | CAN | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Tomb, Maroun | | | 2157 | LBN | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Duong, Thanh Nha | m | | 2163 | CAN | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Sohal, Tanraj S. | f | | 2319 | CAN | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Noritsyn, Nikolay | m | | 2473 | CAN | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Sambuev, Bator | g | | 2539 | CAN | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | 2017 North American Youth Chess Championship - U18 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2204 | 2247 | 5.50 | 9 | 0.48 | 20 | 9.60 | |
| | Zhong, Joey | | | 2050 | CAN | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Tanenbaum, Zachary | | | 2107 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | | | He, Tommy | f | | 2147 | USA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Jacobson, Aaron | | | 2197 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Guo, Arthur | f | | 2089 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Tiglon, Bryce | f | | 2357 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Kumar, Aravind | f | | 2207 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Chiku-Ratte, Olivier-Kenta | f | | 2344 | CAN | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Hong, Andrew | c | | 2334 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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) | | |
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