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Individual Calculations October 2017 |
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| Premathilaka, I M Total change: 20.00 | |   |
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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 |
| 1462 | 1243 | 1.50 | 4 | 0.45 | 40 | 18.00 | |
|  Ramanayake, R A Kavindya V | | | 1110 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Abeywickrama, S S P | | | 1643 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Gimhani, H. Shashipraba | | | 1492 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Jayawardhana, W A S H | | | 1601 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | * 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 |
| 1272 | 1243 | 1.00 | 2 | 0.05 | 40 | 2.00 | |
| | Senarathna, S M A C T N | | | 1024 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Nanayakkara, Janani | | | 1519 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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) | | |
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