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Individual Calculations February 2023 |
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| Derbenev, Arseniy Total change: 19.20 | |   |
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| Riga Chess Federation open to 1800 -I-2023 | Riga | LAT | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1504 | 4.50 | 6 | 1.24 | 40 | 49.60 | |
|  Vasilkovs, Aleksandrs | | | 1332 | LAT | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Rizihs, Valerijs | | | 1664 | LAT | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Krasilnikova, Marija | | | 1328 | LAT | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Beniosev, Daniel | | | 1435 | LAT | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Tolmacevs, Romans | | | 1528 | LAT | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Jansone, Melanija Luize | | | 1546 | 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) | | | | Latvijas 2023. gada jauniesu saha cempionata pusfinals U-14 | Riga | LAT | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1504 | 4.00 | 7 | -0.76 | 40 | -30.40 | |
| | Dorofejevs, Demids | | | 1195 | LAT | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Ozolins, Kristaps | | | 1116 | LAT | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Nazarovs, Daniils | | | 1386 | LAT | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Aleidzans, Vadims | | | 1551 | LAT | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Podgornijs, Bogdans | | | 1193 | LAT | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Harlamovs, Daniils | | | 1399 | LAT | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Karasevics, Aleksandrs | | | 1573 | LAT | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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