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Individual Calculations February 2020 |
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| Abeysinghe, Ayantha Imeera Total change: -21.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1133 | 1177 | 3.00 | 5 | 0.11 | 40 | 4.40 | |
|  Methmal, R M D Wathsara | | | 1010 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Liyanage, Pesandu Rashmitha | | | 1555 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Welege, Dinuka Sandaruwan | | | 1003 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Ruwantha, L G Irindu | | | 1043 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Abhaywardhana, Nirma Pahasara | | | 1053 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1192 | 0.50 | 3 | -0.65 | 40 | -26.00 | |
| | Siriwardane, A L | | | 1438 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Dissanayake, Manusha Dinuk | | | 1407 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Mudalige, S M R S | | | 1014 | 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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