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Individual Calculations January 2018 |
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| Lasitha, Subash Total change: -56.40 | |   |
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| Sri Lanka Inter Club Super League Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1839 | 1.50 | 6 | -1.40 | 20 | -28.00 | |
|  Perera, W C C | c | | 2008 | SRI | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Seneviratne, Shehan Kavishka | | | 1680 | SRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Munasinghe, Lahiru | | | 1936 | SRI | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Harishman, S. | | | 1833 | SRI | 0.00 | 1 | -0.51 | 20 | -10.20 | | | De Silva, Elath Mathanga | | | 1822 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Madushanka, Harsha | | | 1835 | SRI | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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) | | | | 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1504 | 1839 | 5.50 | 8 | -1.42 | 20 | -28.40 | |
| | Balasooriya, Kavindu Lakshanga | | | 1439 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Akmeemana, I U | | | 1439 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thenuwara, Rashmika | | | 1439 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vidyarathna, Anjitha | | | 1518 | SRI | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Premanath, Prasansa | | | 1439 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunarathne, Senila Amaneth | c | | 1439 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayake, R K T | | | 1761 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Gunathilake, H B N D | | | 1560 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | * 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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