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Individual Calculations February 2023 |
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| Rezniks, Roberts Total change: -8.00 | |   |
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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 |
| 1438 | 1583 | 5.50 | 7 | 0.77 | 40 | 30.80 | |
|  Sinicins, Sergejs | | | 1285 | LAT | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Rupais, Gustavs | | | 1388 | LAT | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Lisovskis, Dmitrijs | | | 1525 | LAT | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Coat, Sven | | | 1430 | FRA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Otrohovs, Maksims | | | 1425 | LAT | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Paikens, Reinis | | | 1758 | LAT | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Tolmaceva, Alona | | | 1258 | LAT | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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 pusfinals U-14 | Riga | LAT | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1583 | 4.50 | 7 | -0.97 | 40 | -38.80 | |
| | Hops, Roberts | | | 1357 | LAT | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Dorofejevs, Demids | | | 1195 | LAT | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Varpins, Kristians | | | 1472 | LAT | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Nazarovs, Daniils | | | 1386 | LAT | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Aleidzans, Vadims | | | 1551 | LAT | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Podgornijs, Bogdans | | | 1193 | LAT | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Ozolins, Kristaps | | | 1183 * | LAT | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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