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Individual Calculations September 2011 |
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| Mihailovs, Arturs Total change: 19.35 | |   |
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| Riga Chess Federation Winter Championship -2011 | Riga | LAT | 2011-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1841 | 1.50 | 5 | -0.52 | 30 | -15.60 | |
|  Chehlov, Aleksander | f | | 2235 | LAT | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Roze, Janis | | | 2035 | LAT | 0.50 | 1 | 0.25 | 30 | 7.50 | |  Bernotas, Arturs | | | 2087 | LAT | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Parhomenko, Margarita | | | 1576 | LAT | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Serdjuks, Makss | | | 1705 | LAT | 0.00 | 1 | -0.68 | 30 | -20.40 | |
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 2011 | Plavinas | LAT | 2011-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 1838 | 2.50 | 7 | 1.47 | 30 | 44.10 | |
| | Lavendelis, Egons | f | | 2238 * | LAT | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Mustaps, Matiss | | | 2238 * | LAT | 0.50 | 1 | 0.42 | 30 | 12.60 | | | Dagis, Martins | | | 1991 | LAT | 0.50 | 1 | 0.20 | 30 | 6.00 | | | Smilga, Kristaps | | | 2150 | LAT | 1.00 | 1 | 0.86 | 30 | 25.80 | | | Osis, Renars | | | 2174 | LAT | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Klochan, Jevgeny | | | 2156 | LAT | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Stepins, Edgars | | | 2096 | LAT | 0.50 | 1 | 0.32 | 30 | 9.60 | | | * 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) | | | NOTE: K factor changed | | RIGA TECHNICAL UNIVERSITY OPEN 2011 A | RIGA | LAT | 2011-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1849 | 2.00 | 8 | -0.61 | 15 | -9.15 | |
| | Levchenkov, Vitaly | f | | 2240 | LAT | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Johansen, Paul | | | 2132 | NOR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Amato, Giampiero | | | 2008 | ITA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Iasman, Inna | | | 2014 | FRA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Rishovd, Svein | | | 2027 | NOR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Walta, Paivi | | wf | 1838 | FIN | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Upelnieks, Imants | | | 1973 | LAT | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Yarur Elsaca, Daniel | | | 1727 | CHI | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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