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Individual Calculations June 2023 |
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| Gomes, J Vaneesha Oshini Total change: 95.20 | |   |
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| Sri Lanka National Youth Chess Championship 2023 - Under 10Yrs Girls | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1153 | 1031 | 2.00 | 3 | 0.98 | 40 | 39.20 | |
|  Herath, H P M S Danara | | | 1146 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Perera, S P Sanuli Yehansa | | | 1251 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | |  Jayaweera, Risali Lohasna | | | 1061 | SRI | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1288 | 1063 | 2.50 | 5 | 1.40 | 40 | 56.00 | |
| | Pathmasiri, R D Isuru Saranga | | | 1354 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Sathsara, E P Daham | | | 1289 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Hendavitharana, D S | | | 1389 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Jayasooriya, Ruvin Sandharu | | | 1217 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Basnayake, K B B M Dinuga Sanketh | | | 1193 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | |
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