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Individual Calculations December 2017 |
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| Liyanage, Ranindu Dilshan Total change: 98.04 | |   |
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| Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1918 | 6.50 | 7 | 0.66 | 38 | 25.08 | |
|  Hemachandra, D K S Sethmika | | | 1518 * | SRI | 1.00 | 1 | 0.08 | 38 | 3.04 | |  Samaraweera, Dimuth Indeepa | | | 1518 * | SRI | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Kithmal, P M Kalindhu | | | 1518 * | SRI | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Aluvihare, Shakila | | | 1649 | SRI | 1.00 | 1 | 0.17 | 38 | 6.46 | | | Kodithuwakku, Lisara | | | 1566 | SRI | 1.00 | 1 | 0.11 | 38 | 4.18 | | | Jayaweera, C L | | | 1735 | SRI | 1.00 | 1 | 0.26 | 38 | 9.88 | | | Ilampoornan, Raguparan | | | 1828 | SRI | 0.50 | 1 | -0.12 | 38 | -4.56 | | | * 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) | | | | 6th Sri Lanka Grand Prix 2017 | Colombo | SRI | 2017-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1918 | 7.00 | 11 | 1.92 | 38 | 72.96 | |
| | Ahmed, Fuad | c | | 1730 | MDV | 1.00 | 1 | 0.26 | 38 | 9.88 | | | Peiris, T G M | | | 2164 | SRI | 0.00 | 1 | -0.19 | 38 | -7.22 | | | Amarasinghe, A A C B | | | 1944 | SRI | 0.00 | 1 | -0.46 | 38 | -17.48 | | | Priyankara, Chamil | | | 2022 | SRI | 0.50 | 1 | 0.14 | 38 | 5.32 | | | Alahakoon, Isuru | | | 2113 | SRI | 0.00 | 1 | -0.25 | 38 | -9.50 | | | De Silva, Osheen | | | 1869 | SRI | 1.00 | 1 | 0.43 | 38 | 16.34 | | | Fernando, J M Marlon P | | | 1802 | SRI | 1.00 | 1 | 0.34 | 38 | 12.92 | | | Weerawardane, Romesh | m | | 2080 | SRI | 1.00 | 1 | 0.71 | 38 | 26.98 | | | Lamahewa, C | | | 1816 | SRI | 1.00 | 1 | 0.36 | 38 | 13.68 | | | Kavinda, Akila | | | 2083 | SRI | 1.00 | 1 | 0.72 | 38 | 27.36 | | | Theekshana, H G Denuwan | | | 1812 | SRI | 0.50 | 1 | -0.14 | 38 | -5.32 | |
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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