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Individual Calculations October 2023 |
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| Vidruska, Renate Total change: -16.00 | |   |
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| Latvian Teams Chess Championship 2023 II stage | Jelgava | LAT | 2023-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1990 | 1.50 | 2 | -0.14 | 20 | -2.80 | |
|  Lazdina, Ingrida | | | 1645 | LAT | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Golsta, Ramona | | | 1799 | LAT | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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) | | | | Rigas 2023.gada cempionata finals | Riga | LAT | 2023-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1990 | 5.00 | 8 | -0.66 | 20 | -13.20 | |
| | Tolmaceva, Alona | | | 1384 | LAT | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Vizulis, Alfreds | | | 1590 * | LAT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ungurs, Edgars | f | | 2120 | LAT | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Francs, Marats | | | 1989 | LAT | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Rezniks, Roberts | | | 1479 | LAT | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Gudovskis, Konstantins | | | 2022 | LAT | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Tabors, Emils | | | 1892 | LAT | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Tolmacevs, Romans | | | 1640 | LAT | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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