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Individual Calculations February 2020 |
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| Methmal, R M D Wathsara Total change: -15.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1210 | 1010 | 0.00 | 2 | -0.49 | 40 | -19.60 | |
|  Lavanga, D Binuka | | | 1243 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Abeysinghe, Ayantha Imeera | | | 1177 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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 |
| 1255 | 1010 | 0.50 | 2 | 0.10 | 40 | 4.00 | |
|  Gamage, A G R Ruwanmith | | | 1285 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Rangajeewa, M G Sachithra Sandar | | | 1224 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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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