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Individual Calculations January 2009 |
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| Chen, Peng Total change: 159.75 | |   |
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| 2008 China Team Championships Group B | Zhengzhou | CHN | 2008-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2046 | 1.00 | 3 | 0.44 | 25 | 11.00 | |
|  Ma, Qun | | | 2241 | CHN | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Liu, Qingnan | | | 2396 | CHN | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Luo, Wei | f | | 2288 | CHN | 0.50 | 1 | 0.30 | 25 | 7.50 | |
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) | | | | 2008 Men's China Championship Group B | Zhengzhou | CHN | 2008-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2351 | 2046 | 4.50 | 9 | 3.17 | 25 | 79.25 | |
| | Gao, Rui | | | 2396 | CHN | 1.00 | 1 | 0.89 | 25 | 22.25 | |  Wang, Rui | m | | 2396 | CHN | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Zhang, Ziyang | | | 2396 | CHN | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Li, Shilong | g | | 2396 | CHN | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Qiao, Liang | f | | 2342 | CHN | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Jia, Haoxiang | | | 2303 | CHN | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Yu, Lie | | | 2377 | CHN | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Wu, Bin | | | 2190 | CHN | 1.00 | 1 | 0.69 | 25 | 17.25 | | | Wu, Xibin | f | | 2367 | CHN | 0.00 | 1 | -0.13 | 25 | -3.25 | |
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) | | | | World Youth Chess Championships 2008 - Open 14 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2046 | 4.50 | 8 | 2.78 | 25 | 69.50 | |
| | Naroditsky, Daniel | f | | 2382 | USA | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Kotainy, Jens | | | 2210 | GER | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Bajarani, Ulvi | f | | 2232 | AZE | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Narayanan, Srinath | f | | 2396 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ankit, R Rajpara | | | 2200 | IND | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Bukavshin, Ivan | f | | 2376 | RUS | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Van, Kampen Robin | f | | 2307 | NED | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Kantans, Toms | | | 2146 | LAT | 1.00 | 1 | 0.64 | 25 | 16.00 | |
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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