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Individual Calculations September 2019 |
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| Menuka, Udara Total change: -9.40 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1153 | 1551 | 3.00 | 5 | -1.60 | 20 | -32.00 | |
|  Vidyarathna, W H S | | | 1151 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Denipitiya, H D Gihara Sewmi | | | 1151 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chamikara, S M P Janith | | | 1159 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gamage, A G R Ruwanmith | | | 1153 | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Jayaweera, I G U Subandi | | | 1151 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1551 | 4.00 | 6 | 1.13 | 20 | 22.60 | |
| | Uyanwaththa, W M S B | | | 1151 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 1951 * | SRI | 1.00 | 1 | 0.92 | 20 | 18.40 | | | De Silva, L M S T | f | | 1951 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gunathilake, M D Vinuda Shenal | | | 1207 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Arthigan, J | | | 1273 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Alahakoon, Isuru | | | 1951 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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