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Individual Calculations November 2023 |
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| Rajapakshe, Rashmika Heshan Total change: 8.40 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1430 | 1104 | 0.50 | 3 | 0.03 | 40 | 1.20 | |
|  Sumanathilake, Yonal | | | 1646 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Bandara, W M Malitha | | | 1293 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Gunawardhane, Dunitha Yathindra | | | 1350 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1104 | 2.00 | 7 | 0.18 | 40 | 7.20 | |
| | Sumanathilake, Yonal | | | 1583 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Pathirana, W P Keshara Viraj | | | 1236 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Viranya, A R M V | | | 1256 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Kannangara, Ranul Insitha | | | 1189 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Lakmini, K K | | | 1288 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Bandara, T M Himath Indeewara | | | 1201 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Maithripala, W D P N | | | 1416 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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