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Individual Calculations February 2018 |
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| Perera, Isara Ranmeth Total change: 106.40 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1188 | 1023 | 5.00 | 8 | 2.66 | 40 | 106.40 | |
|  Perera, S D Lahiru | | | 1207 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | |  Hapugala, H A D K | | | 1164 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Vithanage, I A | | | 1423 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Liyanage, R L C Sasmitha | | | 1116 | SRI | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Wiijesinghe , Pasan Januda | | | 1217 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Indisa, E M Tiran | | | 1085 | SRI | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Jayawardena, Sadev Dinuja | | | 1155 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | De Silva, T Dinura Hemjith | | | 1137 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | * 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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