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Individual Calculations February 2019 |
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| Sandeepani, M Tharushi Total change: 42.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1157 | 1431 | 5.00 | 7 | -0.75 | 40 | -30.00 | |
|  Gunawardena, Y Kaveesha | | | 1069 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | |  Disarie, P G W M Thawinsa | | | 1082 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Herath, Abhimani | | | 1217 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Wickramasinghe, Thesandi | | | 1220 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Kumarasinghe, D T T | | | 1047 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Rathnayake, R M Dinithi Panchali | | wc | 1183 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Herath, H M M D | | | 1283 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1526 | 1431 | 5.00 | 8 | 1.82 | 40 | 72.80 | |
| | Karunarathna, Nuthara Dulandee | | | 1031 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sanali, W A Nathasha | | | 1689 | SRI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Wimalasuriya, Kasun M. | c | | 1831 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Samaranayake, K P R N | | | 1831 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jayawardana, Lesath Thewnija | | | 1063 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Lamahewa, S | | | 1800 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Karunarathne, D D W Gamini | | | 1167 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Ediriweera, Shakthi | | | 1795 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | |
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