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Individual Calculations February 2018 |
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| Ranaweera, W G N H R Total change: 0.00 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1082 | 0 | 1.00 | 4 | 0.00 | 889 | | 0.00 | |
|  Jayarathna, Sharada Induwara | | | 1068 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Weerawardana, Ushan Thashitha K | | | 1124 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Peramunetilleke, Savin Kavindu | | | 1065 | HKG | 1.00 | 1 | 0.00 | | 0.00 | | | Sandanayake, Nimansa Sasanduni | | | 1071 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 11 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1009 | 0 | 0.50 | 3 | 0.00 | 736 | | 0.00 | |
| | Wickramasinghe, W W A T S | | | 1006 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Perera, Rahul Shakya | | | 1007 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Gavith, J K | | | 1013 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | |
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