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Individual Calculations January 2019 |
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| Weerathungalage, W D Malisha Sasv Total change: -10.40 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1118 | 0.50 | 3 | 0.05 | 40 | 2.00 | |
|  Jayarathne, M N G | | | 1518 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Indusara, M G Janitha | | | 1429 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Epa, W Buthmi J | | | 1328 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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 |
| 1425 | 1118 | 0.00 | 2 | -0.31 | 40 | -12.40 | |
| | Randil, Lakshitha | | | 1518 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Premanath, Prasansa | | | 1332 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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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