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Individual Calculations February 2023 |
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| Somarathne, Senuka Damsath Total change: 136.40 | |   |
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| Asia Schools CC 2022- U 13 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1139 | 5.00 | 9 | 2.45 | 40 | 98.00 | |
|  Hansana, G Haritha | c | | 1489 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | |  Induwara, T H D Thisarindu | | | 1554 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Hettiarachchi, Jeewantha Aloka | | | 1368 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Sharshenbekov, Emir | | | 1987 | KGZ | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Prematunge, H R Homindu Dulaj | | | 1229 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Saipriyan, T | | | 1229 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Yanakan, P | | | 1251 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Pathirage, Yukitha Kenula Perera | | | 1153 | SRI | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Wijewickrama, Ayod Induwara | | | 1091 | SRI | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1139 | 1.00 | 3 | 0.57 | 40 | 22.80 | |
| | Thennakoon, Disara | | | 1384 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Gunasekara, W A N Senpathi | | | 1511 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Insara, S D Nadev | | | 1455 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1139 | 1.00 | 5 | 0.39 | 40 | 15.60 | |
| | Kothwala, Rukshan | | | 1488 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Sandaruwan, M G Ravindu | | | 1430 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Madushanka, Harsha | | | 1691 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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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