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Individual Calculations December 2017 |
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| Harischandra, Thisath Total change: 30.00 | |   |
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| Colombo District Youth Chess Championship 2017 Under 13 Boys (2004-2005) | Colombo | SRI | 2017-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1119 | 1039 | 2.00 | 3 | 0.83 | 40 | 33.20 | |
|  Jayawardana, T M A | | | 1172 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Damketh, Okitha | | | 1092 | SRI | 1.00 | 1 | 0.57 | 40 | 22.80 | |  Siddharth, Jha | | | 1094 | SRI | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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) | | | | Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1039 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| | Akash, P A Oditha | | | 1439 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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