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Individual Calculations January 2012 |
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| Ma, Qun Total change: 12.90 | |   |
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| Chinese Chess League Division A rounds 13-15 | Qingdao, China | CHN | 2011-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2497 | 2455 | 1.50 | 3 | 0.14 | 10 | 1.40 | |
|  Liu, Guanchu | | | 2242 | CHN | 0.00 | 1 | -0.77 | 10 | -7.70 | |  Lu, Shanglei | g | | 2516 | CHN | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Wang, Hao | g | | 2733 | CHN | 0.50 | 1 | 0.33 | 10 | 3.30 | |
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) | | | | Chinese Chess League Division A rounds 16-18 | Tianjin, China | CHN | 2011-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2630 | 2462 | 2.00 | 3 | 1.15 | 10 | 11.50 | |
| | Li, Chao B | g | | 2702 | CHN | 1.00 | 1 | 0.80 | 10 | 8.00 | | | Ni, Hua | g | | 2656 | CHN | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Wen, Yang | g | | 2533 | CHN | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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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