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Individual Calculations February 2019 |
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| De Silva, T Viduni Nirasha Total change: -38.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1183 | 1149 | 0.00 | 3 | -1.39 | 40 | -55.60 | |
|  Gunathilake, M D Wonara S | | | 1396 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Kumarasinghe, D T T | | | 1047 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Shazna Lye, Gnei | | | 1105 | SRI | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1149 | 1.00 | 5 | 0.42 | 40 | 16.80 | |
| | Peiris, T G M | | | 1549 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bandara, S M Sanjaya D | | | 1461 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Thenuwara, Rashmika | | | 1502 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Jayawardana, Chenuka Nethvidu | | | 1518 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Chankamie, M K T | | | 1447 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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) | | |
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