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Individual Calculations January 2019 |
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| Gamage, Ovin Vidmal Total change: -20.40 | |   |
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| Sri Lanka Inter Club B Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1547 | 2.00 | 4 | 0.57 | 40 | 22.80 | |
|  Wimalasuriya, Kasun M. | c | | 1881 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | |  Kalugampitiya, R S | f | | 1947 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tennakoon, I L K | | | 1566 | SRI | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Dayarathne, R S T | | | 1348 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | * 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1317 | 1547 | 5.00 | 8 | -1.08 | 40 | -43.20 | |
| | Perera, Dinujaya Thathsara | | | 1147 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Welangalla, Nenitha | | | 1245 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Jayasuriya, Linali Andrea | | | 1412 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | De Silva, Osheen | | | 1814 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Kanathipan, Thiruchelvan | | | 1309 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Tennakoon, Lisara Samadhith | | | 1256 | SRI | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Methiyra, G P Detumina | | | 1208 | SRI | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Atulugamage, Saniru Lohan | | | 1147 * | 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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