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Individual Calculations February 2020 |
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| Adansooriya, B A Total change: -9.20 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1257 | 1.00 | 4 | -0.08 | 40 | -3.20 | |
|  Ahangama, Senuka Aswin | | | 1473 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Sivathanujan, S | | | 1657 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Pinnagoda, P G Anuhas Suradunu | | | 1191 | SRI | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Guruge, Nalaka Neranjan | | | 1509 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | * 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1212 | 1273 | 4.00 | 7 | -0.15 | 40 | -6.00 | |
| | Piyumantha, M Thisal Manjith | | | 1673 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Manuwarana, Amila | | | 1036 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Senevirathne, D C B K | | | 1035 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Akasha, J P Vihanga | | | 1485 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Fernando, H Methushi Amaya | | | 1075 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Hewadikaran, Isuka Manudula | | | 1093 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Fernando, H Gayaru Dulsara | | | 1087 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | * 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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