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Individual Calculations July 2009 |
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| Nguyen, Van Thanh Total change: -18.15 | |   |
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| Vietnam Men Chess championship 2009 | Hanoi | VIE | 2009-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2191 | 4.00 | 6 | -0.15 | 15 | -2.25 | |
|  Dong, Bao Nghia | | | 2066 | VIE | 0.00 | 1 | -0.67 | 15 | -10.05 | |  Bao, Khoa | | | 2180 | VIE | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Hoang, Van Ngoc | | | 2195 | VIE | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Pham, Hoai Nam | | | 2051 | VIE | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Nguyen, Ha Phuong | f | | 1841 | VIE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Nguyen, Ha Phuong | f | | 1841 | VIE | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | 10th ASEAN+ Age-Group Championships - Open 20 | Hue | VIE | 2009-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2191 | 4.00 | 8 | -1.06 | 15 | -15.90 | |
| | Duong, Thuong Cong | | | 1986 | VIE | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Hoang, Van Ngoc | | | 2195 | VIE | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Rian, Kapriaga | f | | 2094 | INA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Nguyen, Dinh Quang | | | 2046 | VIE | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Nguyen, Manh Truong | | | 2154 | VIE | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Dong, Bao Nghia | | | 2066 | VIE | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Bao, Khoa | | | 2170 | VIE | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Hj, Az Md Nur Arrifin | | | 2004 | BRU | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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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