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Individual Calculations January 2024 |
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| Manuranga, D Lahiru Total change: 15.20 | |   |
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| Jaffna International Rating Open Chess tournament 2023 | Jaffna | SRI | 2023-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1357 | 4.00 | 7 | 0.34 | 20 | 6.80 | |
|  Jeyakumar, Shangeeth | | | 1021 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Liyanage, Ranindu Dilshan | f | | 2400 | SRI | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Bandara, B G S N R | | | 1149 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Aarvalan, Chandrakumar | | | 1016 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jayaweera, Y | | | 1719 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Priyankantha, J Avishka | | | 1093 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | De Silva, Osheen | | | 1585 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | Ehugalpura International Open Chess Championship 2023 | Kurunegala | SRI | 2023-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1229 | 1357 | 5.00 | 7 | 0.42 | 20 | 8.40 | |
| | Bandara, G P S S | | | 1041 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Thihansith, Chanupa | | | 1099 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Kodikara, K K M Sachintha | | wf | 1515 | SRI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Kalhan, S Vojitha | | | 1117 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Rajapakshe, Rashmika Heshan | | | 1112 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Bandara, K A Thinura | | | 1168 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Iddagoda, Nikitha | | | 1549 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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