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Individual Calculations February 2018 |
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| Kodithuwakku, Himsara Total change: -68.80 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1617 | 3.50 | 5 | -0.19 | 40 | -7.60 | |
|  Chandes, K Yasindu | | | 1217 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Jayawardana, Chenuka Nethvidu | | | 1290 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Priyankara, Chamil | | | 2009 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Himsara, W A Janidu | | | 1217 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Cooray, B S M T | | | 1259 | SRI | 1.00 | 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 National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1617 | 5.00 | 8 | -1.53 | 40 | -61.20 | |
| | Wijesinghe, W A A P | | | 1217 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ushan, Lochana | | | 1243 | SRI | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Rathnayake, Sandun Kavisha | | | 1217 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nilaweera, W R Chamika | | | 1269 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Omaththage, S Y | | | 1419 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Wijesinghe, N L C Dojitha | | | 1516 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Asmone, Ilham Faheth | | | 1393 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Nethsara, W M Daham | | | 1453 | SRI | 0.00 | 1 | -0.72 | 40 | -28.80 | | | * 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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