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Individual Calculations April 2023 |
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| Apine, Emilija Total change: 14.00 | |   |
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| Riga Chess Federation open to 1800 -III-2023 | Riga | LAT | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1400 | 1266 | 1.50 | 4 | 0.13 | 40 | 5.20 | |
|  Dorofejevs, Demids | | | 1173 | LAT | 0.50 | 1 | -0.13 | 40 | -5.20 | |  Visnevskis, Valdis | | | 1591 | LAT | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Birjukovs, Anatolijs | | | 1478 | LAT | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Andzans, Maris | | | 1356 | LAT | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | Latvijas 2023. gada jauniesu saha cempionata finals G-18 | Riga | LAT | 2023-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1266 | 3.50 | 8 | 0.22 | 40 | 8.80 | |
| | Stikane, Evelina | | | 1139 | LAT | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Reiha, Ance | | | 1222 | LAT | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Spirkova, Marija | | | 1422 | LAT | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Zubova, Darja | | | 1595 | LAT | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Stikane, Evelina | | | 1139 | LAT | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Reiha, Ance | | | 1222 | LAT | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Spirkova, Marija | | | 1422 | LAT | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Zubova, Darja | | | 1595 | LAT | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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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