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Individual Calculations September 2017 |
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| Sooriyaarachchi, Isuru Madusha Total change: -11.00 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1397 | 1527 | 4.00 | 7 | -0.55 | 20 | -11.00 | |
|  Wijekoon, Venuja Ransana | | | 1127 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Danushka, M A N | | | 1888 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Basnayake, B M Thesandu Aken | | | 1247 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Sathmina, S L Lalindu | | | 1237 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Kulathilake, S M M P | | | 1220 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Silva, Kevin Ranidu | c | | 1822 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Dissanayake, D M Madushan Sameer | | | 1241 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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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