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Individual Calculations February 2017 |
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| Gunarathna, D A Viraj Darshana Total change: -12.20 | |   |
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| 1st SSC Open International 2016 | Matara | SRI | 2016-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1540 | 5.00 | 8 | 0.24 | 20 | 4.80 | |
|  Bentharaarachchi, Vinuga Ometh | | | 1147 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wijekoon, Chandana | c | | 1904 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Arunakirinathan, Aruthran | | | 1147 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nethsara, R Navod | | | 1247 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Miraj, Akila | | | 1807 | SRI | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Sandeepa, H Niruksha Akshith | | | 1937 | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Samarasinghe, Methsara | | | 1249 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Senevirathna, N Savindu Ransika | | | 1235 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | Kalutara Chess Festival 2017 | Kalutara | SRI | 2017-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1514 | 5.50 | 8 | -0.85 | 20 | -17.00 | |
| | Vidyarathna, W H S | | | 1114 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Jayawardana, Chenuka Nethvidu | | | 1129 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Perera, Sehath Sanvidu R A D | | | 1118 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Morais, Sanithu Leander Pamudith | | | 1142 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Thiyasara, K T Thisen | | | 1851 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Jayarathna, Wathsilu Binuwara | | | 1171 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Kumarasinghe, P Sandaru Kaushal | | | 1222 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Pathmasiri, R D Isuru Saranga | | | 1220 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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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