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Individual Calculations February 2018 |
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| Dissanayake, R K T Total change: 6.00 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1633 | 1761 | 4.50 | 7 | -0.03 | 40 | -1.20 | |
|  Ekanayake, N N B | | | 1361 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Asmone, Ilham Faheth | | | 1393 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Alwala, A D Hansaja Ramith | | | 1450 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Dissanayake, Manusha Dinuk | | | 1548 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Nanayakkara, J A K Saranath | f | | 2004 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Thilakarathne, G M H | c | | 2158 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wijesinghe, N L C Dojitha | | | 1516 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | * 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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1813 | 4.50 | 5 | 0.18 | 40 | 7.20 | |
| | Emandi, K L A Udumbara | | | 1413 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Saai Syvendra, S | | | 1413 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Abeydeera, Adeesha | | | 1462 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Jayawardana, T M A | | | 1413 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Weerasinghe, Chamath | | | 1687 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | * 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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