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Individual Calculations February 2019 |
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| Dahanayake, Isara Banidu Total change: 21.60 | |   |
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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 |
| 1405 | 1575 | 6.00 | 8 | 0.54 | 40 | 21.60 | |
|  Maithripala, W D P N | | | 1175 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  De Silva, H Adeepa Virajitha | | | 1201 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Gamage, Mesanda | | | 1322 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Tishor, S | | | 1269 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Silva, Kevin Ranidu | c | | 1757 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Liyanage, Kusalvin | | | 1208 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Withanarachchi, W A P I | | | 1492 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | De Silva, L M S T | f | | 1812 | SRI | 0.00 | 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) | | |
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