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Individual Calculations February 2023 |
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| Karunarathne, K M H B Total change: -106.20 | |   |
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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 |
| 1201 | 1610 | 4.50 | 8 | -2.82 | 20 | -56.40 | |
|  Nethdinu, Ruben Hiruja | | | 1210 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Rajapaksa, Minagi | | | 1164 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | |  Wickramarathne, P W G Gaveshi | | | 1311 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Kaumina, M Yashika | | | 1259 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Hapuarachchi, H A D S | | | 1120 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Perera, G Thinuka Geethula | | | 1174 | SRI | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Samaranayake, W P M | | | 1042 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Fernando, H Methushi Amaya | | | 1329 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | * 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 |
| 1166 | 1610 | 5.00 | 8 | -2.49 | 20 | -49.80 | |
| | De Silva, M W Sanuth Nihinsa | | | 1210 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Kannangara, Ranul Insitha | | | 1080 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Alwis, H Sandithi Kusalya | | | 1201 | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Amarathunga, Piyumi Uthpala | | | 1173 | SRI | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Rathnagoda, R B Sadew Denuwan | | | 1127 | SRI | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Nanayakkara, M M | | | 1169 | SRI | 0.00 | 1 | -0.94 | 20 | -18.80 | | | Fazil, Mohomed | | | 1129 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Palliyage, Sethumlee Devhara | | | 1240 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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