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Individual Calculations September 2021 |
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| Reiha, Ance Total change: 121.60 | |   |
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| Riga Technical University Open 2021 - Tournament C&D | Riga | LAT | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1126 | 2.00 | 5 | 0.99 | 40 | 39.60 | |
|  Vernuks, Vjaceslavs | | | 1526 * | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Vasilkovs, Aleksandrs | | | 1372 | LAT | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Jakobsons, Andris | | | 1526 * | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zvaunis, Maris | | | 1526 * | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jekabsone, Nellija | | | 1066 | LAT | 1.00 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | Latvian Youth Chess Championship G-16 2021 | Riga | LAT | 2021-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1126 | 3.50 | 5 | 2.05 | 40 | 82.00 | |
| | Zubova, Darja | | | 1486 | LAT | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Spirkova, Marija | | | 1501 | LAT | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Ikstena, Sarlote | | | 1229 | LAT | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Apine, Emilija | | | 1157 | LAT | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Stikane, Evelina | | | 1169 | LAT | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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) | | |
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