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Individual Calculations February 2019 |
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| Damketh, Okitha Total change: -4.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1154 | 1005 | 0.50 | 2 | -0.10 | 40 | -4.00 | |
|  Methsara, E G Ruvindu | | | 1181 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Gamage, G D P A | | | 1127 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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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