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Individual Calculations June 2023 |
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| Nanayakkara, N W P K W Total change: 16.00 | |   |
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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 |
| 1364 | 1088 | 0.00 | 3 | -0.52 | 20 | -10.40 | |
|  Fonseka, Waranakulasuriya Chan Ch | | | 1297 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Sanuda, Rehan | | | 1331 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Karunarathne, K M H B | | | 1464 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | Sri Lanka Mercantile and Government Service Chess Championship 2023 | Colombo | SRI | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 1088 | 2.00 | 4 | 1.76 | 20 | 35.20 | |
|  Munasinghe, Lahiru | | | 1902 | SRI | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Sachintha, H G Sahan | | | 1694 | SRI | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Murali, V. | | | 1333 | SRI | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Wickramasinghe, N G Namal | | | 1702 | SRI | 1.00 | 1 | 0.98 | 20 | 19.60 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1313 | 1088 | 0.00 | 2 | -0.44 | 20 | -8.80 | |
| | Ashad, Nevan Mishal Mohomed | | | 1271 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Pathmasiri, R D Isuru Saranga | | | 1354 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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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