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Individual Calculations February 2018 |
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| Kodithuwakku, Lisara Total change: -85.20 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1626 | 4.00 | 5 | 0.79 | 40 | 31.60 | |
|  Wellage, Dilara Sesadi | | | 1226 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  De Silva, H Adeepa Virajitha | | | 1237 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Miraj, Akila | | | 1758 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Theekshana, H G Denuwan | | | 1894 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Dalawella, Sanuka Chandul | | | 1272 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | * 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 National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1626 | 5.50 | 8 | -1.50 | 40 | -60.00 | |
| | Sethiya , A Vinuga | | | 1226 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bogodawatte , Keshan | | | 1226 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vithanage, H Yasindu Rashmika | | | 1253 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Wijayawardana, Dineth Chanal | | | 1226 * | SRI | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Wijerathne, L M S D | | | 1247 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Nanayakkara, P N J | | | 1304 | SRI | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Basnayake, Kaushal Chaturanga | | | 1237 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Piyumantha, M Thisal Manjith | | | 1514 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | * 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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1720 | 2.00 | 4 | -1.42 | 40 | -56.80 | |
| | Jayawardana, Chenuka Nethvidu | | | 1320 * | SRI | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Ariyasinghe, T.r | | | 1606 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Sulaxan, K | | | 1320 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Samarasinghe, Methsara | | | 1320 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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