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Individual Calculations July 2009 |
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| Pham, Hoai Nam Total change: 39.35 | |   |
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| Vietnam Men Chess championship 2009 | Hanoi | VIE | 2009-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2051 | 3.00 | 7 | 1.01 | 25 | 25.25 | |
|  Dao, Thien Hai | g | | 2401 | VIE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ngo, Ngoc Quang | | | 2275 | VIE | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Vuong, Trung Hieu | f | | 2060 | VIE | 1.00 | 1 | 0.51 | 25 | 12.75 | |  Nguyen, Anh Tuan | | | 2044 | VIE | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Pham, Xuan Dat | | | 2250 | VIE | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Tu, Hoang Thong | g | | 2401 | VIE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Nguyen, Van Thanh | c | | 2191 | VIE | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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) | | | NOTE: K factor changed | | 10th ASEAN+ Age-Group Championships - Open 14 | Hue | VIE | 2009-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2051 | 3.50 | 4 | 0.94 | 15 | 14.10 | |
| | Nguyen, Tan Thinh | | | 1898 | VIE | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Medina, Vince Angelo | | | 2003 | PHI | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Le, Tuan Minh | | | 2070 | VIE | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Nguyen, Ha Phuong | f | | 1784 | VIE | 0.50 | 1 | -0.32 | 15 | -4.80 | |
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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