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Individual Calculations February 2023 |
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| Dissanayake, D M S L Total change: -62.00 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1456 | 4.50 | 7 | -0.64 | 40 | -25.60 | |
|  Hansara, W P Sandith | | | 1056 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Nawanjana, R A Thaweesha | | | 1162 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Saparamadu, Sanali | | | 1165 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Janarthanan, Kethushan | | | 1256 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ramanayake, Nemindi Linaya | | | 1365 | SRI | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Hettigoda, Dhanodya Budmina | | | 1213 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | | | * 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1254 | 1456 | 3.50 | 6 | -0.91 | 40 | -36.40 | |
| | Sugathadasa, Sasiru Hansana | | | 1132 | SRI | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Bandara, K A Thinura | | | 1098 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Amarathunga, Piyumi Uthpala | | | 1173 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Nanayakkara, M M | | | 1169 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Senevirathne, S D B K | | | 1696 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Kajenthiran, T | | | 1253 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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