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Individual Calculations February 2020 |
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| Wickramasinghe, Nuran I Total change: -14.80 | |   |
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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 |
| 1164 | 1023 | 1.00 | 4 | -0.33 | 40 | -13.20 | |
|  Damjith, J K | | | 1119 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | |  Jayaweera Gamage, Disindu Hansad | | | 1392 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Sakshiyan, N | | | 1061 | SRI | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Peiris, P Gimshan Sathsara | | | 1085 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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 |
| 1215 | 1023 | 0.50 | 2 | -0.04 | 40 | -1.60 | |
| | Kanakarathne, S Nevinka De Silva | | | 1337 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Hewadikaran, Isuka Manudula | | | 1093 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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