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Individual Calculations June 2023 |
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| Fernando, B Thisula Dewsarana Total change: -57.60 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1302 | 1146 | 0.00 | 3 | -0.98 | 40 | -39.20 | |
|  Laksiri, A A Kavishka Gimshan | | | 1485 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Hettiarachchi, Jeewantha Aloka | | | 1420 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Seenipellage, Himandi Esara | | | 1001 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | Sri Lanka National Youth Chess Championship 2023 - Under 12Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1368 | 1146 | 0.50 | 3 | -0.18 | 40 | -7.20 | |
| | Wimalarathne, K G | | | 1437 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Hettigoda, Dhanodya Budmina | | | 1254 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Nanayakkara, Sanuk | | | 1412 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1146 | 0.50 | 2 | -0.28 | 40 | -11.20 | |
| | Lakshitha, H H Sasindu | | | 1506 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Premaratne, Sandira Senula | | | 1009 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | |
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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