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Individual Calculations October 2017 |
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| Herath, Sanduni Total change: 102.80 | |   |
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| 4th Sri Lanka National Amateur International Rating Women Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1377 | 3.00 | 6 | 0.15 | 40 | 6.00 | |
|  De Silva, Shelani | | | 1570 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ranishani, W A Sandaru | | | 1109 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Ranasinghe, Shalini | | | 1530 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Udagedara, Sandali Kanishka | | | 1589 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Bandara, Senomi Imethma | | | 1075 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Abeysinghe, H M H Janandani | | | 1458 | SRI | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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) | | | | 8th Kandy Open International Rating Chess Championship 2017 | Kandy | SRI | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1377 | 4.00 | 8 | 2.42 | 40 | 96.80 | |
| | Aluvihare, Shakila | | | 1662 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera, Udari Dilrukshi | | | 1112 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Bandara, A J K D | | | 1750 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Senanayaka, P D | | | 1777 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Danushka, M A N | | | 1777 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Madusanka, L D P | | | 1722 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Dissanayake, R K T | | | 1761 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kandearachchi, Jayanga | | | 1692 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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