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Individual Calculations February 2019 |
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| Piyumantha, M Thisal Manjith Total change: 14.40 | |   |
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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 |
| 1358 | 1589 | 6.50 | 8 | 0.43 | 40 | 17.20 | |
|  Wimalasooriya, L H A S | | | 1189 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Dissanayake, Sasandu Upeksha | | | 1208 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Arunakirinathan, Aruthran | | | 1265 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Ranasinghe, Thinuga Devanjith | | | 1189 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ponnamperuma, Weraka Vasath | | | 1390 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Silva, Kevin Ranidu | c | | 1757 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Indusara, M G Janitha | | | 1429 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Samaraweera, Dimuth Indeepa | | | 1437 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | * 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 |
| 1374 | 1584 | 6.50 | 9 | -0.07 | 40 | -2.80 | |
| | Gunawardana, Indrakeela K D Udde | | | 1184 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Liyanage, Kusalvin | | | 1208 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Perera, G Thinuka Geethula | | | 1184 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Liyanapathirana, Pasan Vindula | | | 1819 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Nimsara, S A D Tharindu | | | 1253 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Ramyasiri, Kaveen Poorna | | | 1315 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Indrajith, J A K N T | | | 1256 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Pathmasiri, R D Isuru Saranga | | | 1441 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Kodithuwakku, Lisara | | | 1702 | 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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