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Individual Calculations November 2023 |
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| Bandara, W M Malitha Total change: 61.60 | |   |
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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 |
| 1214 | 1293 | 4.50 | 7 | 0.26 | 40 | 10.40 | |
|  Hiyarapitiya, G A | | | 1076 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Dharmasena, W M S S B | | | 1558 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Bandara, K M T D Anjuka | | | 1090 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Rajapakshe, Rashmika Heshan | | | 1104 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Assen, Aidh Aadil | | | 1066 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Ranathunga, R M Methula Sansitha | | | 1130 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Senevirathne, D C B K | | | 1476 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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 |
| 1286 | 1293 | 6.50 | 10 | 1.28 | 40 | 51.20 | |
| | Tharanga, R A R | | | 1006 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Gunathilake, Manuja | | | 1087 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Halangoda, R R W W M H W Y E K | | | 1062 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Wishwapura, W D M Indusara | | | 1191 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Senevirathne, D C B K | | | 1476 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Amarasinghe, A A C B | c | | 1758 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Galkotuwa, K A R G W D R B G | | | 1430 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Gnanaseelan, Jude Dorison | | | 1541 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Vishaleni, U | | | 1166 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Bentharaarachchi, B D Daksha Hans | | | 1145 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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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