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Individual Calculations February 2023 |
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| Bandara, L R D B Total change: 0.00 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1354 | 0 | 1.00 | 5 | 0.00 | 1114 | | 0.00 | |
|  Manuranga, D Lahiru | | | 1503 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Weerathungalage, W D Malisha Sasv | | | 1529 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Hendavitharana, D S | | | 1214 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Bandara, Prathibha Nethsarani | | | 1285 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nanayakkara, Sanuk | | | 1240 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1282 | 0 | 1.00 | 5 | 0.00 | 1042 | | 0.00 | |
| | Senevirathne, D C B K | | | 1374 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Dissanayake, D M S L | | | 1456 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | De Silva, S N K | | | 1168 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | De Silva, Wijemuni Yomesh Lakshan | | | 1237 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Ayansa, O M D Pahanmee Minthuli | | | 1175 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1374 | 0 | 3.00 | 7 | 0.00 | 1324 | | 0.00 | |
| | Pradeep, Nishantha | | | 1356 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nimsara, S A D Tharindu | | | 1278 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Lavanga, D Binuka | | | 1341 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Ramyasiri, Kaveen Poorna | | | 1332 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Kamala, Piruna | | | 1590 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Weerasena, O V D K R | | | 1486 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Neranja, Gihan | | | 1237 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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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