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Individual Calculations February 2023 |
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| De Silva, Wijemuni Yomesh Lakshan Total change: 128.24 | |   |
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| Asia Schools CC 2022- U 15 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1237 | 5.00 | 8 | 1.68 | 28 | 47.04 | |
|  Dumankyzy, Alfarabi | | | 1599 | KAZ | 0.00 | 1 | -0.10 | 28 | -2.80 | | | Gunawardena, E R Thyagi | | | 1159 | SRI | 1.00 | 1 | 0.39 | 28 | 10.92 | | | Viranya, A R M V | | | 1146 | SRI | 0.50 | 1 | -0.12 | 28 | -3.36 | |  Dissanayaka, D A K N R | | | 1036 | SRI | 1.00 | 1 | 0.24 | 28 | 6.72 | | | Ashwinth, Michael | | | 1338 | IND | 0.50 | 1 | 0.14 | 28 | 3.92 | | | Thilakarathne, Adeesha Dinal | | | 1387 | SRI | 0.50 | 1 | 0.20 | 28 | 5.60 | | | Ramanayake, Nemindi Linaya | | | 1365 | SRI | 0.50 | 1 | 0.17 | 28 | 4.76 | | | Sagynbekova, Alsu | | | 1437 | KGZ | 1.00 | 1 | 0.76 | 28 | 21.28 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1447 | 1237 | 4.00 | 6 | 2.35 | 28 | 65.80 | |
| | Kulathilake, S M M P | | | 1461 | SRI | 0.00 | 1 | -0.22 | 28 | -6.16 | | | Bandara, Lakshika Sathsarani | | | 1014 | SRI | 1.00 | 1 | 0.22 | 28 | 6.16 | | | Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 0.50 | 1 | 0.26 | 28 | 7.28 | | | Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 1.00 | 1 | 0.72 | 28 | 20.16 | | | Jeyanthan, Krishna Rahul | | | 1601 | SRI | 1.00 | 1 | 0.90 | 28 | 25.20 | | | De Silva, Osheen | | | 1763 | SRI | 0.50 | 1 | 0.47 | 28 | 13.16 | |
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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1237 | 3.00 | 5 | 1.13 | 28 | 31.64 | |
| | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | 0.00 | 28 | 0.00 | | | Gunathilaka, Kavinu Sanul | | | 1041 | SRI | 0.50 | 1 | -0.25 | 28 | -7.00 | | | Mawalagedara, Pawan Piumal | | | 1062 | SRI | 1.00 | 1 | 0.27 | 28 | 7.56 | | | Hemachandra, P R T M | | | 1505 | SRI | 1.00 | 1 | 0.83 | 28 | 23.24 | | | Kulathilake, S M M P | | | 1461 | SRI | 0.50 | 1 | 0.28 | 28 | 7.84 | |
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 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1237 | 1.50 | 6 | -0.58 | 28 | -16.24 | |
| | Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.00 | 1 | -0.12 | 28 | -3.36 | | | Abhimanyu, Iraja | | | 1465 | SRI | 0.00 | 1 | -0.21 | 28 | -5.88 | | | Gamage, B K Ranumi Akithma | | | 1095 | SRI | 1.00 | 1 | 0.31 | 28 | 8.68 | | | Askey, Raveen Nimesh | | | 1438 | SRI | 0.50 | 1 | 0.26 | 28 | 7.28 | | | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 0.00 | 1 | -0.03 | 28 | -0.84 | | | Liyanage, Deneth Dulanwin | | | 1004 | SRI | 0.00 | 1 | -0.79 | 28 | -22.12 | |
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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