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Individual Calculations January 2019 |
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| Maithripala, W D P N Total change: 8.40 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1109 | 1.00 | 3 | 0.66 | 40 | 26.40 | |
|  Senevirathne, S D B K | | | 1406 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Samarasinghe, Wayuni Vinara | | | 1463 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Jayathilaka, R R C L | | | 1509 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1418 | 1109 | 0.00 | 3 | -0.45 | 40 | -18.00 | |
| | Jayaweera, Y | | | 1509 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Samaraweera, Dimuth Indeepa | | | 1437 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Kanathipan, Thiruchelvan | | | 1309 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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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