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Individual Calculations February 2023 |
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| Wettasinha, Vasanta Total change: -79.20 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1236 | 1533 | 6.50 | 9 | -1.10 | 20 | -22.00 | |
|  Perera, Hiruka Sandesh | | | 1133 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ramilan, K | | | 1167 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Akuratiya, A G Javindi Avarjana | | | 1308 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Kavisekara, Manula Heshan | | | 1169 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Akuratiya, A G Hansadie Aradhya | | | 1223 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Wickramarathne, P W G Gaveshi | | | 1311 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Adansooriya, B A | | | 1326 | SRI | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Kumarasinghe, Minuli | | | 1200 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Vipooshanan, Janarthanan | | | 1284 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1123 | 1533 | 4.50 | 8 | -2.86 | 20 | -57.20 | |
| | Tharanga, R A R | | | 1027 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Fernando, W K B Thumula Theekshan | | | 1213 | SRI | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Nagahawatta, Sachin Devinda | | | 1028 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Hendavitharana, D S | | | 1214 | SRI | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Anuradha, K N | | | 1133 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thimanjana, Balage Kisandu | | | 1136 | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Mendis, Imethra | | | 1133 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Bandara, K A Thinura | | | 1098 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | * 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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