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Individual Calculations May 2017 |
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| Rajapaksa, Minagi Total change: 45.20 | |   |
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| National Youth Chess Championship 2017 - Under 12 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1244 | 1129 | 2.50 | 4 | 1.13 | 40 | 45.20 | |
|  Dassanayake, Tharusha Samadhi | | | 1260 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Poththewala, Chamindi | | | 1198 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Karthikeyan, Kiruththikah | | | 1240 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Wickramasinghe, Thesandi | | | 1278 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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