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Individual Calculations September 2015 |
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| Yatawaka, U Sirinama Total change: -1.60 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1258 | 1.50 | 6 | -0.04 | 40 | -1.60 | |
|  De Silva, Osheen | | | 1658 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Prabajith, Asela | | | 1658 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tennakoonwela, Pamudie Sasankha | | | 1406 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Nanayakkara, K G Rishitha Shenal | | | 1119 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Abeydeera, Adeesha | | | 1447 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Chandula, E D S | | | 1564 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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) | | |
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