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Individual Calculations November 2015 |
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| Birunthaban, Rajendram Total change: 66.40 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1347 | 3.00 | 5 | 1.52 | 40 | 60.80 | |
|  Madusanka, L D P | | | 1693 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Gunarathne, W G P I | | | 1061 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Gimhani, H. Shashipraba | | | 1573 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Pallie, Tuan Ehshan | | | 1654 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Methmani, Nelunika | | wm | 1607 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1391 | 1347 | 2.00 | 4 | 0.14 | 40 | 5.60 | |
| | Danushka, M A N | | | 1747 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kathtota, K R S K | | | 1151 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Seneviratne, Shehan Kavishka | | | 1635 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera , Vihini Vimansa | | | 1031 | SRI | 1.00 | 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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