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Individual Calculations February 2019 |
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| Sandanayake, Dehansa Nisanduni Total change: 4.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 11 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1149 | 1.50 | 3 | 0.43 | 40 | 17.20 | |
|  Sanudula, K M Dahamdi | | wc | 1394 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Ramanayake, Nemindi Linaya | | | 1189 | SRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Wilvalaarachchi, Oneli Omaya | | | 1198 | SRI | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1138 | 0.00 | 3 | -0.33 | 40 | -13.20 | |
|  Wimalasuriya, Kasun M. | c | | 1538 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pathmasiri, R D Isuru Saranga | | | 1441 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Dissanayaka, Yadeesha Rashmane | c | | 1488 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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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