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Individual Calculations February 2023 |
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| Gunawardhana, Devindya Oshini Total change: 8.06 | |   |
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| Asia Schools CC 2022- U 11 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1311 | 1574 | 8.50 | 9 | 1.36 | 26 | 35.36 | |
|  Sithumsa, H G Sasmi | | | 1174 * | SRI | 1.00 | 1 | 0.08 | 26 | 2.08 | |  Ayansa, O M D Pahanmee Minthuli | | | 1175 | SRI | 1.00 | 1 | 0.08 | 26 | 2.08 | | | Tripurambika, V | | | 1310 | IND | 1.00 | 1 | 0.18 | 26 | 4.68 | | | Misheel, Bold | | | 1434 | MGL | 1.00 | 1 | 0.31 | 26 | 8.06 | | | Altynbek, Aiaru | | | 1496 | KAZ | 1.00 | 1 | 0.39 | 26 | 10.14 | | | Uyangalyankhua, Batzaya | | | 1259 | MGL | 1.00 | 1 | 0.14 | 26 | 3.64 | | | Shanmathi, Sree S | | | 1327 | IND | 0.50 | 1 | -0.31 | 26 | -8.06 | | | Nivedita, V C | | | 1531 | IND | 1.00 | 1 | 0.44 | 26 | 11.44 | | | Makeeva, Bermet | | | 1096 | KGZ | 1.00 | 1 | 0.05 | 26 | 1.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1330 | 1574 | 5.50 | 8 | -0.74 | 26 | -19.24 | |
| | Rajapakshe, R A K K | | | 1134 | SRI | 1.00 | 1 | 0.06 | 26 | 1.56 | | | Hendavitharana, D S | | | 1214 | SRI | 1.00 | 1 | 0.10 | 26 | 2.60 | | | Yapabandara, G G P D | | | 1355 | SRI | 0.50 | 1 | -0.28 | 26 | -7.28 | | | Dissanayake, D M S L | | | 1456 | SRI | 1.00 | 1 | 0.34 | 26 | 8.84 | | | Induwara, T H D Thisarindu | | | 1554 | SRI | 0.50 | 1 | -0.03 | 26 | -0.78 | | | Dharmasena, W M S S B | | | 1379 | SRI | 0.50 | 1 | -0.25 | 26 | -6.50 | | | Senevirathne, D C B K | | | 1374 | SRI | 0.00 | 1 | -0.76 | 26 | -19.76 | | | Wickramathilaka, H C D | | | 1174 * | SRI | 1.00 | 1 | 0.08 | 26 | 2.08 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1354 | 1574 | 6.50 | 9 | -0.31 | 26 | -8.06 | |
| | Gunathilaka, Kavinu Sanul | | | 1174 * | SRI | 1.00 | 1 | 0.08 | 26 | 2.08 | | | De Silva, Wijemuni Yomesh Lakshan | | | 1237 | SRI | 1.00 | 1 | 0.12 | 26 | 3.12 | | | Abeyrathne, K W A M G Dinod Uthsa | | | 1354 | SRI | 0.50 | 1 | -0.28 | 26 | -7.28 | | | Hettiarachchi, Jeewantha Aloka | | | 1368 | SRI | 0.50 | 1 | -0.26 | 26 | -6.76 | | | Abiru, K A Aken | | | 1309 | SRI | 0.50 | 1 | -0.32 | 26 | -8.32 | | | Kannangara, Ginuri | | | 1220 | SRI | 1.00 | 1 | 0.11 | 26 | 2.86 | | | Lavanga, D Binuka | | | 1341 | SRI | 1.00 | 1 | 0.21 | 26 | 5.46 | | | Amarasinghe, A A C B | c | | 1908 | SRI | 0.00 | 1 | -0.12 | 26 | -3.12 | | | Kodithuwakku, K A Chathura Basuru | | | 1277 | SRI | 1.00 | 1 | 0.15 | 26 | 3.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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