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Individual Calculations February 2013 |
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| Pomahs, Martins Total change: -3.45 | |   |
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| Riga Chess federation championship-2013 I stage | Riga | LAT | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1831 | 1.00 | 4 | -0.68 | 15 | -10.20 | |
|  Lelis, Edgars | | | 1959 | LAT | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Kretainis, Kristaps | | | 2231 * | LAT | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Pomahs, Ziedonis | | | 1717 | LAT | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Polyakov, Fedor P. | | | 1754 | RUS | 0.50 | 1 | -0.11 | 15 | -1.65 | | | * 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) | | | | Latvian Championship- 2013 1/4 final | Riga | LAT | 2013-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1831 | 2.00 | 3 | 0.45 | 15 | 6.75 | |
| | Morozli, Grigorijs | | | 1630 | LAT | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Roze, Janis | | | 1924 | LAT | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Beks, Edmunds | | | 1886 | LAT | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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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