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Individual Calculations February 2020 |
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| Anattapathirana, Pamith Kithmin Total change: -55.20 | |   |
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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 |
| 1016 | 1150 | 2.50 | 5 | -0.90 | 40 | -36.00 | |
|  Panditha, Thiviru Rashmith | | | 1011 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Rajasinghe, T S Thewnuja | | | 1029 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | |  Rashmitha, W G Kavindu | | | 1009 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Gamage, S Lakindu | | | 1017 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Lewdeni, L P T C | | | 1015 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | 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 |
| 1175 | 1167 | 0.50 | 2 | -0.48 | 40 | -19.20 | |
| | Welikadaarachchi, D. J. P. | | | 1098 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Anparasan, T | | | 1251 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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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