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Individual Calculations September 2017 |
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| Alwis, B H A Rasindu Total change: 0.00 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1320 | 0 | 0.50 | 3 | 0.00 | 1047 | | 0.00 | |
|  Perera, D Upashan L | | | 1404 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Silva, M M Dhanika Sri Kalhara | | | 1230 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kithmal, P M Kalindhu | | | 1326 | 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) | | | | Sri Lanka Open International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-08-07 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1261 | 0 | 1.50 | 4 | 0.00 | 1174 | | 0.00 | |
| | Herath , H M A | | | 1253 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Madushanka, W H Harsha | | | 1557 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Dissanayake, Ananya Anjuli | | | 1196 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Perera, K C D | | | 1039 | 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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