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Individual Calculations February 2016 |
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| Perera, D G D Y Adeekshana Total change: 20.80 | |   |
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| Kollonnawa Chess Classic 2015 | Colombo | SRI | 2015-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1126 | 1.00 | 4 | 0.26 | 40 | 10.40 | |
|  Lakshitha, H H Sasindu | | | 1526 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Perera, Tharusha Salinda | | | 1454 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sarathchandra, Thihansa Dewwanth | | | 1331 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Withanarachchi, W A Vinoli Oneth | | | 1280 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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) | | | | Kalutara Chess Festival 2016 | Kalutara | SRI | 2016-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1126 | 0.50 | 2 | 0.26 | 40 | 10.40 | |
| | Birunthaban, Rajendram | | | 1413 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Lakmal, M A C | | | 1525 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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) | | |
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