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Individual Calculations January 2018 |
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| Piyathilaka, Oshadhi Ruwanya Total change: 0.00 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1065 | 0 | 1.00 | 3 | 0.00 | 940 | | 0.00 | |
|  Pitiduwa, Minindu | | | 1035 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Vidyarathna, W H S | | | 1107 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Gamlath, G M M W | | | 1052 | 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) | | | | 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1084 | 0 | 0.50 | 4 | 0.00 | 762 | | 0.00 | |
| | Perera, P K Jagath | | | 1104 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Srilal, D A D T | | | 1158 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Ahangama, Senuka Aswin | | | 1039 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kathriarachchi, Dini Nathyaa | | | 1033 | 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) | | |
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