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Individual Calculations February 2019 |
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| Welangalle, Pesala Dulkith Total change: -32.40 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 17 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1302 | 1331 | 2.50 | 6 | -0.81 | 40 | -32.40 | |
|  Anojman, S. | | | 1719 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Ronaldo, L H K | | | 1081 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Gooneratne, D Naika | | | 1254 | SRI | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Dissanayaka, M A P Mihiranga | | | 1338 | SRI | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Perera, G Poorna Udara Dhananjay | | | 1091 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Thilakarathne, Malidu Amodya | | | 1327 | SRI | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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