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Individual Calculations February 2019 |
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| Silva, Kevin Ranidu Total change: 9.60 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1757 | 6.00 | 8 | -0.43 | 40 | -17.20 | |
|  Wijeratne, Tharin | | | 1357 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Jayawardena, Wishmitha Diviyanga | | | 1357 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ranasinghe, R A Senuka Buddhika | | | 1357 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wijerathne, L M S D | | | 1357 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Piyumantha, M Thisal Manjith | | | 1589 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | De Silva, L M S T | f | | 1812 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Mathes Arachchi, Bhanila M | | | 1441 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | * 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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1725 | 6.50 | 9 | 0.67 | 40 | 26.80 | |
| | Maithripala, W D P N | | | 1325 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chandes, K Yasindu | | | 1325 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chankamie, M K T | | | 1447 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Alahakoon, Isuru | | | 2082 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Alwis, B H A Rasidu | | | 1346 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Priyanath, W D Tharaka | | | 1484 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Premachandra, G T D M | | | 1912 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Samaranayake, K P R N | | | 1976 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Weerasinghe, W Yasiru | | | 1379 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | * 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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