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Individual Calculations February 2023 |
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| Samarasinghe, D V Yomiru Total change: 0.00 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1285 | 0 | 2.50 | 7 | 0.00 | 1183 | | 0.00 | |
|  Koswatte, C T | | | 1583 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Vipooshanan, Janarthanan | | | 1284 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Aluvihare, Sithum D | | | 1242 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Bandara, K M W G Lahiru | | | 1198 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Prematunge, H R Homindu Dulaj | | | 1229 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Wanigarathne, K A N | | | 1236 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Silva, M M Dhanika Sri Kalhara | | | 1226 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Colombo District Youth Chess Championships 2023 - Under 14 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1156 | 0 | 0.50 | 2 | 0.00 | 963 | | 0.00 | |
| | Mettananda, W M D Rashmitha | | | 1072 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayasundara, J M Theruni V | | | 1240 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1400 | 0 | 0.00 | 4 | 0.00 | 600 | | 0.00 | |
| | Askey, Roshell Nathasha | | | 1519 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Liyanage, Daham Kusalwin | | | 1521 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Herath, H M J R | | | 1278 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Sathsara, E P Daham | | | 1281 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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