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Individual Calculations February 2013 |
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| Roze, Janis Total change: -16.20 | |   |
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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 |
| 1854 | 1924 | 3.00 | 5 | 0.02 | 15 | 0.30 | |
|  Zvans, Maris | | | 1604 | LAT | 1.00 | 1 | 0.13 | 15 | 1.95 | |  Blumbergs, Ralfs | | | 1823 | LAT | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Polyakov, Fedor P. | | | 1754 | RUS | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Mihailovs, Arturs | | | 1838 | LAT | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Kretainis, Kristaps | | | 2251 | LAT | 0.50 | 1 | 0.37 | 15 | 5.55 | |
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 |
| 1812 | 1924 | 1.50 | 4 | -1.10 | 15 | -16.50 | |
| | Lacis, Aleksandrs | | | 1811 | LAT | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Ni, Polina | | | 1874 | LAT | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Antonivs, Vladislavs | | | 1731 | LAT | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Pomahs, Martins | | | 1831 | LAT | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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