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Individual Calculations February 2023 |
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| Ramyasiri, Kaveen Poorna Total change: -39.20 | |   |
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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 |
| 1092 | 1332 | 3.00 | 6 | -1.78 | 20 | -35.60 | |
|  Wariyapola, Anulya Ayasari | | | 1089 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Thenujan, M | | | 1020 | SRI | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Jathushanan, Theevakaran | | | 1062 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Thimanjana, Balage Kisandu | | | 1136 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Thennakoon, Akitha | | | 1124 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Welege , Imantha Lakshan | | | 1121 | SRI | 0.00 | 1 | -0.77 | 20 | -15.40 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1045 | 1332 | 1.50 | 2 | -0.18 | 20 | -3.60 | |
| | Perera, W Chamoth Chiranda | | | 1045 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Meemanage, Pinipa Akalanki | | | 1045 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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