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Individual Calculations September 2018 |
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| De Silva, Elath Mathanga Total change: 9.80 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1837 | 4.50 | 5 | 0.49 | 20 | 9.80 | |
|  Karthigesu, S | | | 1437 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mihiranga, K A Rajitha | | | 1524 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Tennakoon, I L K | | | 1637 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Sheriff, T S | | | 1671 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Madusanka, L D P | | | 1642 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * 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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