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Individual Calculations February 2020 |
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| Guruge, Nalaka Neranjan Total change: -28.20 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1349 | 1509 | 4.00 | 8 | -1.41 | 20 | -28.20 | |
|  Wijesinghe, Ramika Risiwara | | | 1109 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Pathmasiri, R D Isuru Saranga | | | 1299 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kumara, C M S Praneeth | | | 1776 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Methsara, E G Ruvindu | | | 1151 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Samarakoon, Vivash Ransara | | | 1109 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Aluvihare, Shakila | | | 1704 | SRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Sandaruwan, M G Ravindu | | | 1389 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Adansooriya, B A | | | 1257 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | * 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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