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Individual Calculations February 2023 |
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| Bandara, Dhanushka Total change: 8.20 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1852 | 5.50 | 8 | -1.33 | 20 | -26.60 | |
|  Chandrasiri, R B A | | | 1452 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Desurra, G P Damsilu | | | 1302 | SRI | 0.50 | 1 | -0.47 | 20 | -9.40 | | | Herath, H M J R | | | 1278 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Kulathilake, S M M P | | | 1461 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Marasinghe, Kasunka | | | 1207 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Abeysinghe, H M H Janandani | | | 1490 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Induwara, T H D Thisarindu | | | 1554 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1852 | 8.00 | 9 | 0.46 | 20 | 9.20 | |
| | Galappaththi, Ananya Sandamini | | | 1452 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pathirana, W P Keshara Viraj | | | 1206 | SRI | 0.50 | 1 | -0.49 | 20 | -9.80 | | | Siriwardene, R B Sithum Nevanjith | | | 1171 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Senevirathne, D C B K | | | 1374 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Jayasundara, J M Daham V | | | 1463 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Dandeniya, D D L N | | | 1280 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Chandula, E D S | | | 1708 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Amarasinghe, A A C B | c | | 1908 | SRI | 1.00 | 1 | 0.58 | 20 | 11.60 | | | * 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1852 | 8.00 | 9 | 1.28 | 20 | 25.60 | |
| | Wijewickrama, Ayod Induwara | | | 1452 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fernando, H Methushi Amaya | | | 1329 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Hansana, G Haritha | c | | 1489 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Sivathanujan, S | | | 1849 | SRI | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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) | | |
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