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Individual Calculations September 2017 |
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| Jayaweera, Y Total change: -18.00 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1440 | 1738 | 6.50 | 9 | -0.90 | 20 | -18.00 | |
|  Ranaraja, R S W M Saumya P | | | 1338 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Silva, M M Dhanika Sri Kalhara | | | 1338 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perera, D Upashan L | | | 1404 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Kalinga, Kalindu Kusalwin | | | 1395 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | De Silva, Osheen | | | 1902 | SRI | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Gunarathna, D A Viraj Darshana | | | 1467 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Menuka, Udara | | | 1353 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Samarakoon, Hevidu | | | 1338 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayanka, L P P R | | | 1426 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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