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Individual Calculations August 2023 |
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| Labunahewage, Dulein Bimsath Total change: 75.20 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1339 | 4.00 | 7 | 1.37 | 40 | 54.80 | |
|  Damsara , K D Dineth | | | 1034 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Wiratunga, Jenith | | | 1723 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Induwara, T H D Thisarindu | | | 1606 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wickramaarachchi, Nayanaka Insara | | | 1501 | SRI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | De Silva, Osheen | | | 1689 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Amarathunga, Kosala Sandeepa Cham | | | 1468 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Waidyasekara, R H Risara Geeneth | | | 1130 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | Asian Schools Chess Championship U11 Open | Tashkent | UZB | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1339 | 5.00 | 8 | 0.51 | 40 | 20.40 | |
| | Hamrakulyyev, Osman | | | 1139 | TKM | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Obidov, Biloliddin | | | 1637 | UZB | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Zhang, Xujia | | | 1204 | CHN | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Perumpuli, Arachchi Lithula Rave | | | 1184 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Batyrov, Alihan | | | 1570 | TKM | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Basnayake, Dinuga Sanketh | | | 1168 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Saidov, Sardor | | | 1335 | UZB | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Toktobekov, Shabdan | | | 1155 | KGZ | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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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