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Individual Calculations August 2017 |
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| Jayanka, L P P R Total change: 3.20 | |   |
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| Sri Lanka National B Chess Championship 2017 | Narahenpita | SRI | 2017-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1402 | 2.00 | 8 | -0.76 | 20 | -15.20 | |
|  De Silva, Rasheen | | | 1788 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Jayaweera, Y | | | 1695 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Chandrasiri, P K | | | 1582 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Kanathipan, Thiruchelvan | | | 1402 | SRI | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Alwala, A D Hansaja Ramith | | | 1427 | SRI | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Gammarachchi, O Dewpathi | | | 1551 | SRI | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Buddhika, A G Chathuranga | | | 1183 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Subasinghe, D D C H | | | 1629 | SRI | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 6th Mercantile and Government Service International Rating Chess Championship 2017 | Colombo, Sri Lanka | SRI | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1423 | 1.50 | 4 | 0.92 | 20 | 18.40 | |
| | Fonseka, C K D | | | 1823 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sooriarachchi, Nethaji Tharinda | | | 1685 | SRI | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Sandeepa, Hasitha | | | 1661 | SRI | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Alahakoon, A M C | | | 1761 | SRI | 0.50 | 1 | 0.38 | 20 | 7.60 | | | * 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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