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Individual Calculations February 2018 |
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| De Silva, Wijemuni Yomesh Laksha Total change: -16.00 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1143 | 1.00 | 4 | -0.15 | 40 | -6.00 | |
|  Sandeepa, W A Geeshan | | | 1543 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Abeysinghe, H M H Janandani | | | 1456 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Gavith, J K | | | 1013 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1333 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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) | | | | Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 11 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1143 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
| | Gunarathne, Senila Amaneth | c | | 1335 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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