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Individual Calculations February 2019 |
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| Cooray, T C M Dulein Kavindu Total change: 7.20 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1379 | 5.00 | 7 | 0.27 | 40 | 10.80 | |
|  Weerasinghe, Thaveesha | | | 1006 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Weththawa, B G E D | | | 1285 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Liyanage, R L C Sasmitha | | | 1132 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Vidyarathna, Anjitha | | | 1683 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Methiyra, G P Detumina | | | 1208 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Sanuda, Rehan | | | 1180 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Seneviratne, Nivin Sithija | | | 1181 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1512 | 6.50 | 9 | -0.09 | 40 | -3.60 | |
| | Sulakshana, L A D Sadeesha | | | 1112 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Karunaratne, Rahel Chaanakya | | | 1218 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | De Silva, L M S T | f | | 1912 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lavanga, D Binuka | | | 1168 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Samaranayaka, M L G | | | 1200 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Nimsanda, K H Savitha | | | 1160 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Alwis, B H A Rasidu | | | 1346 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Dilanya, W V Nethmi | | | 1325 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Jayasuriya, Linali Andrea | | | 1404 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | * 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) | | |
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