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Individual Calculations February 2023 |
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| Umandini, M W Tinushi Total change: -52.00 | |   |
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| Asia Schools CC 2022- U 13 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1254 | 1063 | 0.00 | 6 | -1.54 | 40 | -61.60 | |
|  Bandara, Prathibha Nethsarani | | | 1285 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Mudalige, S M I Umandi | | | 1300 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Durga, Karthika Lellapalli | | | 1336 | IND | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ranasinghe, R A Lihini Himansa | | | 1197 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Namarathna, H K T I | | | 1166 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Jayasundara, J M Theruni V | | | 1240 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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 |
| 1271 | 1063 | 1.50 | 4 | 0.57 | 40 | 22.80 | |
| | Aluvihare, Sithum D | | | 1242 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Dushan, W Charuka | | | 1290 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Darshana, M A Pramod | | | 1253 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Mudalige, S M I Umandi | | | 1300 | 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1063 | 0.00 | 2 | -0.33 | 40 | -13.20 | |
| | Hettiarachchi, D W K | | | 1366 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Wickramarathne, P W G Gaveshi | | | 1311 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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