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Individual Calculations April 2019 |
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| Kopithan, Sabapathipillai Total change: -12.80 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1388 | 1475 | 3.00 | 4 | 0.52 | 40 | 20.80 | |
|  Anojman, S. | | | 1816 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Gamage, Liviru Hansana | | | 1244 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Mathangadeera, Tharaka Denuwan | | | 1206 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Mendis, Chamod Vihanga | | | 1287 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | Sri Lanka National Major Division Chess Championship 2019 - Jaffna | Jaffna | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1194 | 1475 | 0.00 | 1 | -0.84 | 40 | -33.60 | |
| | Arthigan, J | | | 1194 | SRI | 0.00 | 1 | -0.84 | 40 | -33.60 | |
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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