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Individual Calculations August 2023 |
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| Sumanathilake, Yonal Total change: 163.20 | |   |
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| Sri Lanka National Team Chess Championship 2023 | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1483 | 3.00 | 4 | 1.63 | 40 | 65.20 | |
|  Kodithuwakku, Himsara | | | 1652 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Fernando, M Tharusha Randima | | | 1403 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Madushanka, B W M Malith | | | 1575 | SRI | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Weerawardane, Romesh | m | | 1836 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | |
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) | | | | Asian Schools Chess Championship U15 Open | Tashkent | UZB | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1483 | 4.00 | 8 | 2.45 | 40 | 98.00 | |
| | Saydaliev, Akobirkhon | | | 2115 | UZB | 0.50 | 1 | 0.49 | 40 | 19.60 | | | Perera, G Thinuka Geethula | | | 1496 | SRI | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Rakhmatullaev, Muhammadsolih | | | 1488 | UZB | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Elmirzaev, Khondamir | | | 1851 | UZB | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Khalilov, Ikromjon | | | 1542 | UZB | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Vignesh, Advaith Vemula | | | 2059 | IND | 1.00 | 1 | 0.98 | 40 | 39.20 | | | Abdukhakimov, Akbarali | | | 2066 | UZB | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Omonov, Asrorjon | | | 2160 | UZB | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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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