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Individual Calculations February 2019 |
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| Jayawardana, Chenuka Nethvidu Total change: -36.80 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1456 | 5.50 | 8 | -0.65 | 40 | -26.00 | |
|  Viduranga, Oshadha | | | 1062 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Amarathunga, W A S V | | | 1152 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Nirmal, Charith | | | 1148 | SRI | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Perera, Thisura Damsith | | | 1125 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Galukagama, G L Dishen Sandaru | | | 1149 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Wiijesinghe , Pasan Januda | | | 1301 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Samarakoon, Hevidu | | | 1617 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Silva, Haren Senura | | | 1246 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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 |
| 1347 | 1518 | 6.00 | 9 | -0.27 | 40 | -10.80 | |
| | Thalgaswatta, Adeesha Denuwan | | | 1118 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bandara, T M Miul Prabhashwara | | | 1199 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 1918 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Asuramanna, Mevindu Hansana | | | 1183 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | De Silva, H Adeepa Virajitha | | | 1201 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | De Silva, T Viduni Nirasha | | | 1149 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Weerawardana, Oneli Vihanga | | | 1186 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Vithanage, H Yasindu Rashmika | | | 1351 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Liyanapathirana, Pasan Vindula | | | 1819 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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