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Individual Calculations October 2017 |
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| Yatapana, Navoda Total change: -3.60 | |   |
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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 |
| 1274 | 1163 | 2.00 | 5 | 0.14 | 40 | 5.60 | |
|  Jayawardhana, W A S H | | | 1563 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Gunasekara, Ayodya Nethmini | | | 1199 | SRI | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Sandeepani, M Tharushi | | | 1285 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Chamathka, Weerasinghe A Chethan | | | 1131 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Hetti Arachchige, Thisumi S | | | 1190 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | * 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1163 | 0.00 | 3 | -0.31 | 40 | -12.40 | |
| | Dahampriya, H K T Dewnethmie | | | 1507 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Dewanthi, A H Chamika | | | 1511 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Alahakoon, Isuru | | | 1563 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Sri Lanka Inter University Chess Women Championship 2017 | Nugegoda | SRI | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1163 | 0.50 | 3 | 0.08 | 40 | 3.20 | |
| | Gimhani, H. Shashipraba | | | 1492 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Madushani, Ayagamage Ishara | | | 1379 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Abeywardana, N T | | | 1563 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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