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Individual Calculations April 2020 |
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| Jayawickrama, U W R K Total change: -13.00 | |   |
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| Sri Lanka National (Major Division ) Chess Championship 2020 - Kandy Event | Kandy | SRI | 2020-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1212 | 1.50 | 4 | -0.71 | 20 | -14.20 | |
|  Lansakara, B M | | | 1591 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Dasanayake, D C | | | 1026 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Uduwawala, Disath | | | 1022 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Liyanage, L K L | | | 1116 | SRI | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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) | | | | Colombo International Chess Festival 2020 | Colombo | SRI | 2020-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1565 | 1212 | 0.50 | 4 | 0.06 | 20 | 1.20 | |
| | Galappaththi, Chinthaka Anuruddh | f | | 1612 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nabil Nazar, Mohamed | | | 1546 | SRI | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Sanudula, K M Dahamdi | | wc | 1511 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Abeysinghe, H M H Janandani | | | 1591 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | * 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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