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Individual Calculations January 2019 |
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| Pathmasiri, R D Isuru Saranga Total change: 10.00 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1431 | 6.00 | 8 | 0.55 | 40 | 22.00 | |
|  Marasinghe, Chanethma Devangi | | | 1121 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | |  Amarathunga, W A C Y | | | 1111 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Kavisekara, Manula Heshan | | | 1110 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Godagampala, G D Minuja Hansana | | | 1060 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Lasitha, Subash | c | | 1717 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera, J A Malinda | | | 1142 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Wickramasinghe, W M D S D | | | 1121 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | De Silva, Osheen | | | 1814 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1254 | 1431 | 6.00 | 9 | -0.30 | 40 | -12.00 | |
| | Gunawardana, Indrakeela K D Udde | | | 1049 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Rohana, V T Malitha | | | 1189 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Wijenayake, Thamidu Pamosha | | | 1031 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sethiya , A Vinuga | | | 1147 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Methiyra, G P Detumina | | | 1208 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Jayaweera, Y | | | 1704 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Alwis, K Chanula Chanketh | | | 1089 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Dharmasena, W M S S B | | | 1215 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Pathum, G Saranga | | | 1652 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | * 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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