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Individual Calculations November 2015 |
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| Wijerathne, Surath Total change: 26.60 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1432 | 5.00 | 7 | 1.74 | 20 | 34.80 | |
|  Pathmasiri, R D I S | | | 1047 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Waidyajeewa, G Roneth V | | | 1032 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liyanapathirana, Pasan Vindula | | | 1832 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Attanayake, Chanindi Mewna | | | 1176 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gunaratne, Manisha Suchini | | wf | 1665 | SRI | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Gunarathna, D A Viraj Darshana | | | 1627 | SRI | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Doluweera, Dinul Thisura | c | | 1832 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1302 | 1432 | 1.50 | 3 | -0.41 | 20 | -8.20 | |
| | Perera , Vihini Vimansa | | | 1032 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Perera, D G D Y Adeekshana | | | 1134 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Tennakoon, I L K | | | 1739 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | * 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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