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Individual Calculations August 2023 |
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| Laksiri, A A Kavishka Gimshan Total change: -25.73 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1705 | 5.50 | 8 | -1.76 | 31 | -54.56 | |
|  Bandaranayake, Dehan Randilu | | | 1157 | SRI | 1.00 | 1 | 0.03 | 31 | 0.93 | |  De Silva, B P Chanthuli Thanishka | | | 1303 | SRI | 0.00 | 1 | -0.92 | 31 | -28.52 | | | Gamage, P Lakindu Chamalka | | | 1305 * | SRI | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Fernando, Diyon Senuth Randilu | | | 1301 | SRI | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Lavanga, D Binuka | | | 1395 | SRI | 1.00 | 1 | 0.14 | 31 | 4.34 | | | Hettiarachchi, Jeewantha Aloka | | | 1460 | SRI | 0.00 | 1 | -0.80 | 31 | -24.80 | | | Sanuda, Rehan | | | 1342 | SRI | 0.50 | 1 | -0.40 | 31 | -12.40 | | | Koswattage, Biman | | | 1179 | SRI | 1.00 | 1 | 0.03 | 31 | 0.93 | | | * 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) | | | | Sri Lanka National Team Chess Championship 2023 | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1563 | 1667 | 3.00 | 5 | -0.17 | 31 | -5.27 | |
| | Kumarawadu, C S | | | 1441 | SRI | 1.00 | 1 | 0.21 | 31 | 6.51 | | | Kulasekara, D M T Kashyapa | | | 1811 | SRI | 0.00 | 1 | -0.31 | 31 | -9.61 | | | Sathsindu, W M Minura | | | 1521 | SRI | 0.50 | 1 | -0.20 | 31 | -6.20 | | | Jayaweera, Hashan | | | 1452 | SRI | 0.50 | 1 | -0.27 | 31 | -8.37 | | | Ahangama, Senuka Aswin | | | 1592 | SRI | 1.00 | 1 | 0.40 | 31 | 12.40 | |
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) | | | | Asian Schools Chess Championship U17 Open | Tashkent | UZB | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1667 | 5.00 | 9 | 1.10 | 31 | 34.10 | |
| | Khripachenko, Alexander | f | | 2251 | FID | 0.00 | 1 | -0.02 | 31 | -0.62 | | | Thilakarathne, Adeesha Dinal | | | 1253 | SRI | 1.00 | 1 | 0.07 | 31 | 2.17 | | | Al-Mansouri, Fahad | | | 1267 * | QAT | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Abdukholikov, Sarvar | | | 1591 | UZB | 0.50 | 1 | -0.10 | 31 | -3.10 | | | Bozorov, Javokhir | | | 1985 | UZB | 0.00 | 1 | -0.13 | 31 | -4.03 | | | Hommadov, Amanmuhammet | | | 2190 | TKM | 0.00 | 1 | -0.03 | 31 | -0.93 | | | Toshboev, Diyorbek | | | 1601 | UZB | 1.00 | 1 | 0.41 | 31 | 12.71 | | | Angar, Zoljargal | | | 1765 | MGL | 0.50 | 1 | 0.13 | 31 | 4.03 | | | Senevirathne, S D B K | | | 1806 | SRI | 1.00 | 1 | 0.69 | 31 | 21.39 | | | * 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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