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Individual Calculations February 2019 |
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| Thilakarathne, Malidu Amodya Total change: 18.40 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 17 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1320 | 1327 | 3.50 | 6 | 0.46 | 40 | 18.40 | |
|  Rathnayake, Vishmika A B | | | 1660 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Jayarathna, C P | | | 1056 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Pathmasiri, R D Isuru Saranga | | | 1431 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Ranaraja, R S W M Saumya P | | | 1043 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Attanayaka, A M P M | | | 1401 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Welangalle, Pesala Dulkith | | | 1331 | SRI | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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) | | |
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