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Individual Calculations April 2019 |
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| Amarathunga, W A S V Total change: -0.80 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1210 | 2.50 | 3 | 1.04 | 40 | 41.60 | |
|  Mendis, B M A | | | 1436 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | |  Liyanage, Deshani Sanjula | | | 1157 | SRI | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Nimasha, A G Kavini | | | 1075 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | Sri Lanka National Major Division Chess Championship 2019 - Kandy | Kandy | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1210 | 0.50 | 4 | -1.06 | 40 | -42.40 | |
| | Aluvihare, Shakila | | | 1610 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Piyarthne, Mokitha Luthmin | | | 1001 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Edirisinghe, D D | | | 1136 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Chandrasiri, P K | | | 1555 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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