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Individual Calculations February 2020 |
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| Perera, G Thinuka Geethula Total change: 24.40 | |   |
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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 |
| 1135 | 1147 | 3.50 | 6 | 0.41 | 40 | 16.40 | |
|  Senevirathne, D C B K | | | 1049 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Nimsanda, K H Savitha | | | 1203 | SRI | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Wijeratne, Rehan Nawantha | | | 1213 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Gunawardhane, Dunitha Yathindra | | | 1051 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Gunathilake, M D Vinuda Shenal | | | 1244 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Nagasinghe, Seniru Ranuth | | | 1049 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1202 | 2.00 | 4 | 0.20 | 40 | 8.00 | |
| | Pallie, Ehsha Mishela | | wc | 1581 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Rajasinghe, T S Thewnuja | | | 1029 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Wickramarathne, T D | c | | 1414 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Viranya, A R M V | | | 1007 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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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