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Individual Calculations February 2019 |
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| Kodithuwakku, Himsara Total change: -56.80 | |   |
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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 |
| 1349 | 1601 | 4.50 | 7 | -1.09 | 40 | -43.60 | |
|  Mathangadeera, Tharaka Denuwan | | | 1235 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Devnaka, Chamin | | | 1364 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Jayawardana, T M A | | | 1227 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Yasanga, W C M Kasun | | | 1395 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Weerasinghe, Isum | | | 1434 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Lansakara, B M | | | 1485 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Wiijesinghe , Pasan Januda | | | 1301 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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 |
| 1520 | 1700 | 6.00 | 9 | -0.33 | 40 | -13.20 | |
| | Alwis, Jenuki | | | 1300 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hewawasam, H Y Thisaga Manvidu | | | 1300 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gunarathna, D A Viraj Darshana | | | 1435 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Priyankara, Chamil | | | 1992 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Chandes, K Yasindu | | | 1301 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Peiris, T G M | | | 2087 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kanakarathne, S Nevinka De Silva | | | 1396 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Akasha, J P Vihanga | | | 1440 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Alwala, A D Hansaja Ramith | | | 1431 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | * 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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