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Individual Calculations October 2018 |
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| Marapana, Sanupa Bimsath Total change: 58.40 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1276 | 3.50 | 5 | 1.41 | 40 | 56.40 | |
|  Tribuwan, T W Helik | | | 1594 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Bandara, Senomi Imethma | | | 1032 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Herath, H M Nethumi Suhansa | | | 1053 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Chandula, E D S | | | 1588 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Deshappriya, D Kalindu | | | 1481 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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) | | | | Sri Lanka Junior National Chess Championship 2018 | Colombo | SRI | 2018-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1276 | 2.00 | 5 | 0.05 | 40 | 2.00 | |
| | Jeyanthan, Krishna Rahul | | | 1579 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Thalgaswatta, Adeesha Denuwan | | | 1077 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Nanayakkara, J A G Ganganath | | | 1524 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Sivathanujan, S | | | 1577 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Dineth, S A Induwara | | | 1116 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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) | | |
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