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Individual Calculations December 2019 |
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| Zajakins, Artjoms Total change: 39.20 | |   |
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| ISTRA-A Chess Cup for players with ELO until 1600 | Riga | LAT | 2019-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1212 | 2.00 | 4 | 0.98 | 40 | 39.20 | |
|  Savicevs, Arsenijs | | | 1515 | LAT | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Kipluka, Anna Krista | | | 1401 | LAT | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Pomahs, Ziedonis | | | 1406 | LAT | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Stepanovs, Dans | | | 1296 | LAT | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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