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Individual Calculations September 2015 |
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| Nandika, Ruwan Total change: 48.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1486 | 5.00 | 8 | 1.20 | 40 | 48.00 | |
|  Perera, Mahima | | | 1086 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  De Silva, Rasheen | | | 1772 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Wanigarathne, K A N | | | 1178 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Rajendram, Branavan | | | 1197 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Madusanka, L D P | | | 1740 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Ranasinghe, C N | | | 1796 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Liyanage, Ranindu Dilshan | | | 1622 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Kumarawadu, C S | | | 1581 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | | | * 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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