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Individual Calculations February 2023 |
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| Dandeniya, D D L N Total change: 258.25 | |   |
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| Asia Schools CC 2022- U 11 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 1280 | 4.50 | 8 | 2.69 | 25 | 67.25 | |
|  Wimalarathne, K G | | | 1460 | SRI | 0.50 | 1 | 0.24 | 25 | 6.00 | |  Dauren, Darmen | | | 1484 | KAZ | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Keneshbekov, Elim | | | 1859 | KGZ | 0.50 | 1 | 0.48 | 25 | 12.00 | | | Ovitigala, Chenitha Mithvidu | | | 1380 | SRI | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Reyan, Md. | | | 1549 | IND | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Muradylov, Baiel | | | 1876 | KGZ | 0.00 | 1 | -0.02 | 25 | -0.50 | | | Wickramasinghe, V W A Vinuda Vidm | | | 1422 | SRI | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Galkotuwa, K A R G W D R B G | | | 1331 | SRI | 1.00 | 1 | 0.57 | 25 | 14.25 | |
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 |
| 1409 | 1280 | 4.50 | 6 | 2.38 | 25 | 59.50 | |
| | Meegahawaththa, Senadi | | | 1097 | SRI | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Wickramathilaka, H C D | | | 1115 | SRI | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Weerathungalage, W D Malisha Sasv | | | 1529 | SRI | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Jeyanthan, Krishna Rahul | | | 1601 | SRI | 0.50 | 1 | 0.37 | 25 | 9.25 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 1.00 | 1 | 0.83 | 25 | 20.75 | | | Induwara, T H D Thisarindu | | | 1554 | SRI | 0.00 | 1 | -0.17 | 25 | -4.25 | |
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 |
| 1581 | 1280 | 2.50 | 6 | 1.49 | 25 | 37.25 | |
| | Herath, H M H C B | | | 1547 | SRI | 0.50 | 1 | 0.32 | 25 | 8.00 | | | Manuranga, D Lahiru | | | 1503 | SRI | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Iddagoda, Nikitha | | | 1604 | SRI | 1.00 | 1 | 0.87 | 25 | 21.75 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.00 | 1 | -0.02 | 25 | -0.50 | | | Priyanath, W D Tharaka | | | 1489 | SRI | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Yapa Bandara, Chamodya | | | 1490 | SRI | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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 |
| 1687 | 1280 | 4.50 | 7 | 3.77 | 25 | 94.25 | |
| | Lamahewa, S | | | 1723 | SRI | 0.50 | 1 | 0.44 | 25 | 11.00 | | | Lakshitha, H H Sasindu | | | 1624 | SRI | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Peiris, H Pevinya | | wf | 1653 | SRI | 1.00 | 1 | 0.90 | 25 | 22.50 | | | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 1.00 | 1 | 0.96 | 25 | 24.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | -0.01 | 25 | -0.25 | | | Liyanage, Daham Kusalwin | | | 1521 | SRI | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 0.50 | 1 | 0.30 | 25 | 7.50 | |
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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