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Individual Calculations February 2019 |
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| Insara, S D Nadev Total change: 20.00 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 11 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1095 | 1.50 | 2 | 1.02 | 40 | 40.80 | |
|  Dissanayaka, Yadeesha Rashmane | c | | 1488 | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Kotuwella, Sashmitha N Bandara | | | 1164 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1391 | 1097 | 0.00 | 3 | -0.52 | 40 | -20.80 | |
| | Rupasinghe, R A L P | | | 1459 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Lakmal, M A C | | | 1497 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Karunaratne, Rahel Chaanakya | | | 1218 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | * 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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