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Individual Calculations July 2009 |
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| Dong, Bao Nghia Total change: 43.05 | |   |
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| Vietnam Men Chess championship 2009 | Hanoi | VIE | 2009-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2066 | 3.50 | 7 | 0.69 | 15 | 10.35 | |
|  Ngo, Ngoc Quang | | | 2275 | VIE | 0.50 | 1 | 0.27 | 15 | 4.05 | |  Nguyen, Van Thanh | c | | 2191 | VIE | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Nguyen, Thanh Son | m | | 2416 | VIE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vuong, Trung Hieu | f | | 2060 | VIE | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Pham, Xuan Dat | | | 2250 | VIE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Nguyen, Ha Phuong | f | | 1784 | VIE | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Nguyen, Anh Tuan | | | 2044 | VIE | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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 |
| 2181 | 2066 | 5.00 | 8 | 2.18 | 15 | 32.70 | |
| | Tran, Thanh Tu | c | | 2267 | VIE | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Tran, Ngoc Lan | | | 2159 | VIE | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Chan, Yi-Ren Daniel | f | | 2374 | SIN | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Nguyen, Manh Truong | | | 2154 | VIE | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Bao, Khoa | | | 2170 | VIE | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Nguyen, Van Thanh | c | | 2191 | VIE | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Hj, Az Md Aliuddin | | | 2087 | BRU | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Amru, Muhd Tariq | | | 2044 | MAS | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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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