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Individual Calculations June 2023 |
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| Rathnayake, R M Dulinma Hemalni Total change: -51.60 | |   |
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| Sri Lanka National Youth Chess Championship 2023 - Under 14Yrs Girls | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1192 | 1398 | 5.50 | 7 | 0.29 | 40 | 11.60 | |
|  Gamage, B K Ranumi Akithma | | | 1058 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Karunasena, H G M K Saheli Onaya | | | 1122 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Thrinethsaree, R P Hansali H | | | 1130 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Jayathissa, J Y | | | 1093 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Wijesinghe, Amesha Shenali | | | 1165 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Namarathna, H K T I | | | 1197 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Newansa, M Esandi | | | 1581 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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 |
| 1175 | 1439 | 2.50 | 5 | -1.58 | 40 | -63.20 | |
| | Jayathissa, J Y | | | 1091 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Rathnagoda, R B Sadew Denuwan | | | 1157 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Karunasena, A P Chenitha S D | | | 1154 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Kaumina, M Yashika | | | 1295 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Nandasiri, Omiru | | | 1176 | SRI | 0.00 | 1 | -0.82 | 40 | -32.80 | |
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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