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Individual Calculations February 2019 |
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| Himsara, W A Janidu Total change: -54.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1102 | 1288 | 3.00 | 6 | -1.45 | 40 | -58.00 | |
|  Adshayan, S | | | 1050 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Gayanuka, B D Omira | | | 1125 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Yapabandara, Y | | | 1120 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Pathirana, Luchitha Disal | | | 1141 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Herath, H M D A B | | | 1113 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Wijesinghe, Ramika Risiwara | | | 1063 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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 |
| 1169 | 1242 | 2.50 | 4 | 0.08 | 40 | 3.20 | |
| | De Silva, Chamindra | | | 1520 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Rathnayaka, Minaga Yethmin | | | 1060 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Waduge, S S A | | | 1026 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Senamanthila, Milani | | | 1069 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | |
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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