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Individual Calculations February 2013 |
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| Stabulnieks, Klavs Total change: 0.90 | |   |
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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 |
| 1920 | 1850 | 2.00 | 3 | 0.74 | 15 | 11.10 | |
|  Sermons, Uldis | | | 2125 | LAT | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Polyakov, Fedor P. | | | 1754 | RUS | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Gercans, Visvaldis | | | 1882 | LAT | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | | | Latvian Championship- 2013 1/4 final | Riga | LAT | 2013-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1850 | 1.00 | 3 | -0.68 | 15 | -10.20 | |
| | Silmalis, Janis | | | 1752 | LAT | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Kalnins, Toms | | | 1891 | LAT | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Birjukovs, Anatolijs | | | 1768 | LAT | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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