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Individual Calculations February 2023 |
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| Thilakaratna, B A Thevindu Kenula Total change: -34.00 | |   |
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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 |
| 1427 | 1202 | 1.50 | 5 | 0.07 | 40 | 2.80 | |
|  Abimana, K M A | | | 1016 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Dharmasena, W M S S B | | | 1379 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Liyanage, Pesandu Rashmitha | | | 1869 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Sandaruwan, M G Ravindu | | | 1430 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1202 | 0.50 | 4 | -0.57 | 40 | -22.80 | |
| | Senevirathne, S D B K | | | 1696 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Jayawardana, Chenuka Nethvidu | | | 1479 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Samarakoon, Sasndu Ayod | | | 1004 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Thenuwara, Rashmika | | | 1570 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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 |
| 1471 | 1202 | 0.00 | 2 | -0.35 | 40 | -14.00 | |
| | Sooriyaarachchi, Isuru Madusha | | | 1503 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Askey, Raveen Nimesh | | | 1438 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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