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Individual Calculations November 2023 |
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| Pathirana, Dasula Total change: 99.60 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1111 | 2.00 | 5 | 0.32 | 40 | 12.80 | |
|  Herath, H M J R | | | 1396 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Abeyrathne, K W A M G Dinod Uthsa | | | 1366 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Basnayake, B M Thesandu Aken | | | 1482 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Herath, S M D N | | | 1030 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Perera, Oshada Bimsara | | | 1026 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1111 | 3.50 | 7 | 2.17 | 40 | 86.80 | |
| | Gowsalyan, S | | | 1451 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Somarathne, Senuka Damsath | | | 1328 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Abeyrathne, K W A M G Dinod Uthsa | | | 1366 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Kumarawadu, C S | | | 1440 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Wickramarathne, D Jehan Randil | | | 1346 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Walde, Harshal | | | 1326 | IND | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Alwis, H Sandithi Kusalya | | | 1311 | 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) | | |
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