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Individual Calculations February 2020 |
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| Bandara, Viduna Lewke Total change: 65.60 | |   |
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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 |
| 1276 | 1220 | 4.00 | 6 | 1.34 | 40 | 53.60 | |
|  Perera, Danujaya Thathsara | | | 1005 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Peiris, P Gimshan Sathsara | | | 1085 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Nabil Nazar, Mohamed | | | 1494 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Yethmin, W J Methum | | | 1081 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Liyanage, Pesandu Rashmitha | | | 1555 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Dineth, S A Induwara | | | 1433 | 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) | | | | Battle of the Kings - All Island Schools Team Chess Championship 2020 | Colombo | SRI | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1138 | 1209 | 1.50 | 2 | 0.30 | 40 | 12.00 | |
| | Amarasinghe, A A D G | | | 1084 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Pinnagoda, P G Anuhas Suradunu | | | 1191 | SRI | 0.50 | 1 | -0.03 | 40 | -1.20 | |
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) | | |
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