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Individual Calculations February 2020 |
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| Silva, U K Dheera Thisath Total change: 0.00 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1234 | 0 | 0.00 | 3 | 0.00 | 434 | | 0.00 | |
|  Jayaweera Gamage, Disindu Hansad | | | 1392 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Laksandu, R A Chamath | | | 1097 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Wijeratne, Rehan Nawantha | | | 1213 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Sri Lanka National Youth Chess Championship 2019 - Under 9 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1124 | 0 | 1.50 | 2 | 0.00 | 1144 | | 0.00 | |
| | Gunasekara, Aritha Chanthula Abes | | | 1031 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Dandeniya, D D L N | | | 1217 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1105 | 0 | 1.00 | 2 | 0.00 | 1105 | | 0.00 | |
| | Viranya, A R M V | | | 1007 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Gunawardana, Indrakeela K D Udde | | | 1202 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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