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Individual Calculations May 2023 |
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| Ekaratne, Chenaya Total change: 89.60 | |   |
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| Sri Lanka Wome's National Chess Championship 2023 - Premier Division | Colombo | SRI | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1293 | 5.50 | 10 | 0.41 | 40 | 16.40 | |
|  Amarasinghe, Umayangi Dilhara | | | 1080 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Yapa Bandara, Chamodya | | | 1455 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Wickramasinghe, Dinuli Nimansa | | | 1154 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Tharushi, T H D Niklesha | | wc | 1574 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Abeysinghe, H M H Janandani | | | 1425 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Fernando, G W Nethmi L | | | 1745 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Somarathne, L H M G S | | | 1165 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Jayasinghe, D Senethmi | | | 1044 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Thrinethsaree, R P Hansali H | | | 1130 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Akuratiya, A G Hansadie Aradhya | | | 1222 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | 2023 World School Chess Championships - girls U13 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1522 | 1293 | 3.50 | 7 | 1.83 | 40 | 73.20 | |
| | Aadya, Gupta | | | 1547 | IND | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Aydogan, Arya | | | 1466 | TUR | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Levitan, Liel | | | 1516 | ISR | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Patel, Diah | | | 1198 | ENG | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Semenova, Vasylyna | | | 1729 | ROU | 1.00 | 1 | 0.94 | 40 | 37.60 | | | Sordia, Marta | | | 1521 | GEO | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Ismayilova, Khanim | | wc | 1676 | AZE | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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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