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Individual Calculations January 2009 |
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| Jayasundara, P K U, M Total change: 63.00 | |   |
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| World Youth Chess Championships 2008 - Open 14 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 1822 | 3.00 | 7 | 1.56 | 25 | 39.00 | |
|  Chua, Xing-Jian Graham | f | | 2172 | SIN | 1.00 | 1 | 0.89 | 25 | 22.25 | |  Baboyan, Eduard | | | 2170 | RUS | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Narayanan, Srinath | f | | 2172 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ruzicka, Vaclav | | | 2047 | CZE | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Leiva, Giuseppe | | | 2082 | PER | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Nakauchi, Gene | f | | 2104 | AUS | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Thanarotrung, Ratchaphon | | | 1787 | THA | 1.00 | 1 | 0.45 | 25 | 11.25 | |
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) | | | NOTE: K factor changed | | Asian Schools Chess Championship, Colombo 2008 [Under 13 Boys] | Colombo | SRI | 2008-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1822 | 3.00 | 4 | 1.60 | 15 | 24.00 | |
| | Antonio, Viani D`cunha | | | 2117 | IND | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Munasinghe, Lahiru Thiwanka | | | 1921 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Patil, Pratik | | | 2005 | IND | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Munasinghe, Shanaka Laknath | | | 1728 | SRI | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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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