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Individual Calculations February 2020 |
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| Dissanayake, Manusha Dinuk Total change: 87.20 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 17 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1453 | 1407 | 3.50 | 6 | 0.86 | 40 | 34.40 | |
|  Shamika, T H D Hasitha | | | 1007 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Ilampoornan, Raguparan | | | 1807 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rajapaksha, Isum Asitha | | | 1209 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Gunasekara, W A N Senpathi | | | 1633 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Perera, D Upashan L | | | 1551 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Akash, G K Adheesha | | | 1509 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | * 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 |
| 1340 | 1407 | 6.00 | 8 | 1.32 | 40 | 52.80 | |
| | Manuwarana, Amila | | | 1036 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Hewadikaran, Isuka Manudula | | | 1093 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Jayaweera, Y | | | 1707 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Ahangama, Senuka Aswin | | | 1484 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Abeysinghe, Ayantha Imeera | | | 1192 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Himsara, W A Janidu | | | 1199 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Dandeniya, D D L N | | | 1214 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Kodithuwakku, Lisara | | | 1796 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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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