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Individual Calculations February 2020 |
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| Vizulis, Alfreds Total change: -36.00 | |   |
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| Latvian 2020 Championship chess Quarterfinal | Riga | LAT | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1281 | 2.50 | 7 | -0.04 | 20 | -0.80 | |
|  Visnevskis, Valdis | | | 1663 | LAT | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Ivbulis, Martins | | | 1681 * | LAT | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Yovanovich, Victor | | | 1172 | LAT | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Prudnikovs, Stefans | | | 1083 | LAT | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Lacis, Aleksandrs | | | 1595 | LAT | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Napins, Vadims | | | 1307 | LAT | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Zubova, Darja | | | 1386 | LAT | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * 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) | | | | Maskachka Open 2020 amateurs to 1600 | Riga | LAT | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1281 | 1.00 | 6 | -1.76 | 20 | -35.20 | |
| | Ovcinkins, Arsenijs | | | 1556 | LAT | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Rezniks, Roberts | | | 1112 | LAT | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Burenkovs, Dmitrijs | | | 1418 | LAT | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Adamovics, Aleksejs | | | 1285 | LAT | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Pomahs, Ziedonis | | | 1356 | LAT | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Aprups, Rinalds | | | 1164 | LAT | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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) | | |
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