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Individual Calculations November 2023 |
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| Hiyarapitiya, G A Total change: 86.80 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1076 | 1.00 | 4 | 0.18 | 40 | 7.20 | |
|  Bandara, W M Malitha | | | 1293 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Samaraweera, S M Sethika Hansira | | | 1265 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Wijesinghe, W A M C | | | 1326 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Atulugamage, Saniru Lohan | | | 1356 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1076 | 4.00 | 7 | 1.99 | 40 | 79.60 | |
| | Tennakoon, Lisara Samadhith | | | 1461 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Liyanage, L K L | | | 1183 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Nenatunga, N L Chamod Wishmitha | | | 1201 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Ramyasiri, Kaveen Poorna | | | 1268 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Chandrasiri, R B A | | | 1224 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Karunarathna, W K Dishan Amayuru | | | 1187 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Kumara, T M Nishantha Pradeep | | | 1193 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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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