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Individual Calculations February 2019 |
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| De Silva, L M S T Total change: 41.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1812 | 6.00 | 7 | 0.02 | 40 | 0.80 | |
|  Rathnakumara, H M T N | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Perera, Isara Ranmeth | | | 1412 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Bentharaarachchi, Vinuga Ometh | | | 1412 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Ahangama, Senuka Aswin | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Alwela, Senuja Thimeth | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Silva, Kevin Ranidu | c | | 1757 | SRI | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1937 | 7.50 | 9 | 1.01 | 40 | 40.40 | |
| | De Silva, T H Harshana | | | 1537 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Weerasinghe, W Yasiru | | | 1537 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Cooray, T C M Dulein Kavindu | | | 1537 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Obeysekara, T A Sajith Chathuran | | | 1687 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2086 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | De Silva, Shelani | | | 1583 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Senanayaka, P D | | | 1731 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Peiris, T G M | | | 2087 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | De Silva, Osheen | | | 1808 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | * 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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