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Rapid:
Individual Calculations September 2021 |
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| Grigulis, Janis Total change: 83.80 | |   |
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| Balvi District Open Chess Tournament, Group A-2021 | Tilza | LAT | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1449 | 3.00 | 6 | -0.33 | 20 | -6.60 | |
|  Vasilkovs, Aleksandrs | | | 1445 | LAT | 0.50 | 1 | -0.01 | 20 | -0.20 | |  Agis, Agris | | | 1568 | LAT | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Seiksts, Augusts | | | 1227 | LAT | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Sestakovs, Maksims | | | 1205 | LAT | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Circenis, Kaspars | | | 1796 | LAT | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Skarbauskas, Valerijs | | | 1216 | LAT | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | VII International Chess Tournament Rositten Rapid 2021 | Rezekne | LAT | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1526 | 1449 | 4.50 | 7 | 1.65 | 20 | 33.00 | |
| | Kirsbergs, Girts | | | 1775 | LAT | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Karpovs, Toms | | | 1067 | LAT | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Krastins, Arturs | | | 1624 | LAT | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Sestakovs, Maksims | | | 1205 | LAT | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Aleidzans, Vadims | | | 1563 | LAT | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Petrovs, Renars | | | 1577 | LAT | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Polakovs, Viktors | | | 1874 | LAT | 1.00 | 1 | 0.93 | 20 | 18.60 | |
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) | | | | Olaine Chess celebration-2021 | Olaine | LAT | 2021-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1449 | 4.50 | 8 | 2.87 | 20 | 57.40 | |
| | Kolasa, Pjotrs | | | 2068 | LAT | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Danilevska, Jevgenija | | | 1267 | LAT | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Liepins, Martins | | | 1678 | LAT | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Freibergs, Andrejs | | | 1669 | LAT | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Lindermans, Pavels | | | 1976 | LAT | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Afanasjevs, Aleksandrs | | | 1682 | LAT | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Barinovs, Vitalijs | | | 1782 | LAT | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Vilums, Dainis | | | 1847 | LAT | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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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