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Individual Calculations February 2017 |
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| Vidyarathna, W H S Total change: 51.20 | |   |
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| Kalutara Chess Festival 2017 | Kalutara | SRI | 2017-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1317 | 1090 | 2.50 | 5 | 1.28 | 40 | 51.20 | |
|  Gunarathna, D A Viraj Darshana | | | 1490 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Siriwardane, A L | | | 1462 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ranasinghe, Yanila | | | 1007 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Athukorala, A T N | | | 1290 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Amarasena , Indumini Kavya | | | 1336 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | * 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) | | |
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