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Individual Calculations January 2019 |
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| Epa, W Buthmi J Total change: 92.80 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1328 | 5.50 | 8 | 1.65 | 40 | 66.00 | |
|  Gunaratne, Chivath Dathesha | | | 1084 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Wettasinha, Vasanta | | | 1623 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Bogahawatta, B S I | | | 1062 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Denuwan, G S | | | 1014 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Gunasekara, W A N Senpathi | | | 1555 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Nirmalarajah, S | | | 1622 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Weerathungalage, W D Malisha Sasv | | | 1118 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Thawalampola, Banuka Neranjan | | | 1719 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1328 | 5.00 | 8 | 0.67 | 40 | 26.80 | |
| | De Silva, Osheen | | | 1728 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Deshapriya, A M M Nandula | | | 1040 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Perera, G Thinuka Geethula | | | 1144 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Pathum, G Saranga | | | 1652 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Damsara, U G S T | | | 1154 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Adimali, Uvindu Nipunitha | | | 1110 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Desurra, G P Damsilu | | | 1040 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | * 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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