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Individual Calculations October 2019 |
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| Amarasinghe, A A C B Total change: 42.20 | |   |
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| 10th Buddhi International Rating Chess Championship 2019 | Gampaha | SRI | 2019-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1866 | 5.50 | 6 | 1.04 | 20 | 20.80 | |
|  Godagampala, G D Minuja Hansana | | | 1466 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gamage, Desandhi Dhihansa | | | 1466 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chandula, E D S | | | 1481 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Jayaweera, Hashan | | | 1466 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Silva, Kevin Ranidu | c | | 1829 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2072 | SRI | 0.50 | 1 | 0.26 | 20 | 5.20 | | | * 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) | | | | National Sports Festival Chess Championship 2019 - Men | Badulla | SRI | 2019-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1866 | 5.00 | 6 | 1.07 | 20 | 21.40 | |
| | Danushka, M A N | | | 1792 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2072 | SRI | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Aktar, M R | | | 1717 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Sivathanujan, S | | | 1680 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Dayarathne, R S T | | | 1466 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madushanka, Harsha | | | 1691 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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