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Individual Calculations February 2019 |
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| Kodithuwakku, Lisara Total change: -65.20 | |   |
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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 |
| 1284 | 1681 | 6.00 | 8 | -1.35 | 40 | -54.00 | |
|  Herath, H M D A B | | | 1281 * | SRI | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Hettiarachchi, V A | | | 1281 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nanayakkara, A Holindu Chehan | | | 1281 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Arthigan, J | | | 1281 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Mannaperuma, M M Pamudu Thamara | | | 1281 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1302 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Wijerathne, L M S D | | | 1281 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Arunakirinathan, Aruthran | | | 1281 * | SRI | 1.00 | 1 | 0.08 | 40 | 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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1702 | 6.50 | 9 | -0.28 | 40 | -11.20 | |
| | Lankasinghe, Movindu Jayuka | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Neranja, Gihan | | | 1345 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Alwala, A D Hansaja Ramith | | | 1431 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Peiris, T G M | | | 2087 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Ponnamperuma, Weraka Vasath | | | 1365 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Perera, D Upashan L | | | 1426 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Vithanage, H Yasindu Rashmika | | | 1351 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Abhimanyu, Iraja | | | 1471 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Piyumantha, M Thisal Manjith | | | 1584 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | * 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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