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Individual Calculations February 2015 |
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| Jayawardana, Lasal Total change: 6.80 | |   |
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| Kalutara Chess Festival 2015 | Kalutara | SRI | 2015-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1371 | 2.00 | 4 | 0.17 | 40 | 6.80 | |
|  Thilakarathne, D G D Chamil | | | 1664 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Pavalachandran, Ashvini | | | 1165 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Theekshana, H G Denuwan | | | 1686 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Senevirathne, H Dulith Taruka | | | 1150 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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