|
Individual Calculations June 2023 |
|
|
|
| Premaratne, Sandira Senula Total change: 88.40 | |   |
|
| Sri Lanka National Youth Chess Championship 2023 - Under 12Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1125 | 1009 | 0.00 | 2 | -0.70 | 40 | -28.00 | |
|  Bulathgama, Sasvidu Suhasvin | | | 1216 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Ranathunga, R M Methula Sansitha | | | 1034 | SRI | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1203 | 1009 | 5.00 | 8 | 2.91 | 40 | 116.40 | |
| | Kaushalya, W A K | | | 1262 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Hendavitharana, D S | | | 1389 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | De Silva, D Nawam Sarojen | | | 1153 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Sampath, H K G | | | 1058 | SRI | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Siriwardene, R B Bihandu Janandit | | | 1177 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Kottage, K M Nilash Nethul | | | 1173 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Amarathunga, Piyumi Uthpala | | | 1262 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Fernando, B Thisula Dewsarana | | | 1146 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | |
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) | | |
|
