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Individual Calculations February 2017 |
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| Bentharaarachchi, Vinuga Ometh Total change: 71.20 | |   |
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| 1st SSC Open International 2016 | Matara | SRI | 2016-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1147 | 1.00 | 5 | 0.35 | 40 | 14.00 | |
|  Gunarathna, D A Viraj Darshana | | | 1540 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ariyaratne, H B I | | | 1527 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Kulatunga, Dinithi | | | 1473 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Mathes Arachchi , Bhanila M | | | 1422 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Kanakarathne, S Nevinka De Silva | | | 1407 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Kalutara Chess Festival 2017 | Kalutara | SRI | 2017-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1147 | 2.00 | 4 | 1.43 | 40 | 57.20 | |
| | Punchihewa, Kokila Prageeth | | | 1433 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Lakmal, M A C | | | 1547 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jayatilaka, W M M Amodya | | | 1373 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Athukorala, Shavindi Uddeepana | | | 1491 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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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