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Individual Calculations February 2018 |
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| Ronaldo, L H K Total change: 20.80 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1317 | 1060 | 1.50 | 5 | 0.52 | 40 | 20.80 | |
|  Wijesinghe, N L C Dojitha | | | 1460 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Asmone, Ilham Faheth | | | 1393 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Nilaweera, W R Chamika | | | 1269 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Samarakoon, S M T Induwara | | | 1260 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | De Silva, T H Harshana | | | 1204 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | * 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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