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Individual Calculations January 2020 |
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| Hidurangala, H D Binuri Dulanga Total change: 0.00 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1163 | 0 | 0.00 | 3 | 0.00 | 363 | | 0.00 | |
|  Perera, Isara Ranmeth | | | 1243 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Withana, Sanul Nethmina | | | 1116 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayasekara, Buvidu Dilhan | | | 1131 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Sri Lanka Women's National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1212 | 0 | 0.50 | 6 | 0.00 | 811 | | 0.00 | |
| | Wickramarathne, P W G Gaveshi | | | 1231 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Sandanayake, Nimansa Sasanduni | | | 1217 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Abeysekara, Yasasi Geemini | | | 1199 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Ramanayake, Nemindi Linaya | | | 1303 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Sandanayake, Dehansa Nisanduni | | | 1234 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayasinghe, Miyuni Thisanya | | | 1090 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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