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Individual Calculations February 2023 |
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| Namarathna, H K T I Total change: 19.20 | |   |
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| Asia Schools CC 2022- U 13 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1237 | 1166 | 3.00 | 7 | 0.15 | 40 | 6.00 | |
|  Alemanova, Yasmina | | | 1287 | KAZ | 0.50 | 1 | 0.16 | 40 | 6.40 | |  Rathnayake, R M Dulinma Hemalni | | | 1372 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Ranasinghe, R A Lihini Himansa | | | 1197 | SRI | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Somarathne, L H M G S | | | 1156 | SRI | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Bandara, Prathibha Nethsarani | | | 1285 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Umandini, M W Tinushi | | | 1063 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Mudalige, S M I Umandi | | | 1300 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1449 | 1166 | 1.00 | 4 | 0.33 | 40 | 13.20 | |
| | Abeysinghe, H M H Janandani | | | 1490 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Weerathungalage, W D Malisha Sasv | | | 1529 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Shouthri, Arulrajah | | | 1348 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Sandaruwan, M G Ravindu | | | 1430 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | |
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