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Individual Calculations February 2019 |
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| Liyanage, Savinu Suhaswin Total change: 53.20 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 9 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1142 | 1081 | 1.00 | 3 | -0.25 | 40 | -10.00 | |
|  Dissanayake, Emal Imandiv S | | | 1080 | SRI | 0.00 | 1 | -0.50 | 40 | -20.00 | |  Wickramarathne, T D | c | | 1227 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Weerathungalage, W D Malisha Sasv | | | 1118 | SRI | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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 |
| 1300 | 1081 | 3.00 | 6 | 1.58 | 40 | 63.20 | |
| | Morais, Sanithu Leander Pamudith | | | 1481 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerasinghe, W Yasiru | | | 1379 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Liyanage, Kusalvin | | | 1208 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Hewawasam, H Y Thisaga Manvidu | | | 1278 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | De Silva, H Adeepa Virajitha | | | 1201 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Nimsara, S A D Tharindu | | | 1253 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | * 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) | | |
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