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Individual Calculations February 2020 |
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| Mudalige, S M R S Total change: -24.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1194 | 1014 | 0.00 | 3 | -0.87 | 40 | -34.80 | |
|  Arthigan, J | | | 1389 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Deshapriya, A M M Nandula | | | 1117 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Weerathunga, Okith | | | 1075 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1214 | 1014 | 1.00 | 3 | 0.27 | 40 | 10.80 | |
| | Gunathilake, M D Vinuda Shenal | | | 1238 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Abeysinghe, Ayantha Imeera | | | 1192 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Wijeratne, Rehan Nawantha | | | 1213 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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