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Individual Calculations February 2023 |
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| Hettiarachchi, Jeewantha Aloka Total change: 0.00 | |   |
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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 |
| 1313 | 1368 | 4.00 | 9 | -1.19 | 31 | -36.89 | |
|  Wijewickrama, Ayod Induwara | | | 1091 | SRI | 1.00 | 1 | 0.17 | 31 | 5.27 | |  Dumanuly, Sultanbeibarys | | | 1749 | KAZ | 0.00 | 1 | -0.09 | 31 | -2.79 | | | Somarathne, Senuka Damsath | | | 1139 | SRI | 0.50 | 1 | -0.29 | 31 | -8.99 | | | Yanakan, P | | | 1251 | SRI | 0.50 | 1 | -0.16 | 31 | -4.96 | | | Erhes, Temuulen | | | 1296 | MGL | 1.00 | 1 | 0.40 | 31 | 12.40 | | | Obidov, Biloliddin | | | 1483 | UZB | 0.00 | 1 | -0.34 | 31 | -10.54 | | | Gamage, A G R Ruwanmith | | | 1348 | SRI | 0.50 | 1 | -0.03 | 31 | -0.93 | | | Liyanage, Savinu Suhaswin | | | 1324 | SRI | 0.00 | 1 | -0.56 | 31 | -17.36 | | | Ashad, Nevan Mishal Mohomed | | | 1140 | SRI | 0.50 | 1 | -0.29 | 31 | -8.99 | |
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 |
| 1290 | 1368 | 4.50 | 7 | 0.40 | 31 | 12.40 | |
| | De Alwis, K K Y M | | | 1105 | SRI | 0.00 | 1 | -0.82 | 31 | -25.42 | | | Praveeshgaran, P | | | 1030 | SRI | 1.00 | 1 | 0.12 | 31 | 3.72 | | | Yapabandara, Y | | | 1068 | SRI | 1.00 | 1 | 0.15 | 31 | 4.65 | | | Suranjith, K W A | | | 1547 | SRI | 0.00 | 1 | -0.27 | 31 | -8.37 | | | Idamewattha, I W S S | | | 1141 | SRI | 1.00 | 1 | 0.21 | 31 | 6.51 | | | Lakshitha, H H Sasindu | | | 1624 | SRI | 1.00 | 1 | 0.81 | 31 | 25.11 | | | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 0.50 | 1 | 0.20 | 31 | 6.20 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1368 | 3.00 | 6 | 0.79 | 31 | 24.49 | |
| | Lakshitha, H H Sasindu | | | 1624 | SRI | 0.50 | 1 | 0.31 | 31 | 9.61 | | | Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.50 | 1 | 0.26 | 31 | 8.06 | | | Jayaweera, Y | | | 1709 | SRI | 0.00 | 1 | -0.12 | 31 | -3.72 | | | De Silva, M W Sanuth Nihinsa | | | 1053 | SRI | 1.00 | 1 | 0.14 | 31 | 4.34 | | | Sivathanujan, S | | | 1849 | SRI | 0.00 | 1 | -0.05 | 31 | -1.55 | | | Ayansa, O M D Pahanmee Minthuli | | | 1175 | SRI | 1.00 | 1 | 0.25 | 31 | 7.75 | |
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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