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Individual Calculations February 2020 |
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| Perera, K S D Total change: -18.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 11 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1050 | 1161 | 1.50 | 3 | -0.45 | 40 | -18.00 | |
|  Ranasinghe, R A S C | | | 1058 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Abiru, K A Aken | | | 1007 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Dharan, A | | | 1086 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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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