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Individual Calculations May 2018 |
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| Ma, Qun Total change: -13.70 | |   |
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| 2018 O2C Doeberl Cup Premier | Canberra | AUS | 2018-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2645 | 6.50 | 9 | -0.97 | 10 | -9.70 | |
|  Zulfic, Fedja | | | 2245 * | AUS | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Johansen, Darryl K | g | | 2354 | AUS | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Sukandar, Irine Kharisma | m | wg | 2408 | INA | 0.00 | 1 | -0.80 | 10 | -8.00 | | | Chen, Pengyu | f | | 2273 | AUS | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Tao, Trevor | m | | 2366 | AUS | 0.00 | 1 | -0.84 | 10 | -8.40 | | | Clarke, Brandon G I | f | | 2362 | ENG | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Otawa, Yuto | | | 2245 * | JPN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lane, Gary W | m | | 2385 | AUS | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Gareyev, Timur | g | | 2590 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | * 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) | | | | 2019 Chinese Chess League Division A (1-4) | Shen Zhen | CHN | 2018-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2553 | 2645 | 2.00 | 4 | -0.40 | 10 | -4.00 | |
| | Ding, Liren | g | | 2778 | CHN | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Zhao, Chenxi | | | 2275 | CHN | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Xu, Xiangyu | g | | 2574 | CHN | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Wen, Yang | g | | 2585 | CHN | 0.50 | 1 | -0.08 | 10 | -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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