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Individual Calculations April 2009 |
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| Karklins, Andrew Total change: -1.05 | |   |
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| 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2588 | 2238 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
|  Akobian, Varuzhan | g | | 2588 | USA | 0.00 | 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) | | | | 16th Annual Western Class Championshipw | Agoura Hills, California | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 2233 | 3.50 | 7 | -0.60 | 15 | -9.00 | |
|  Sevillano, Enrico | m | | 2512 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Velikanov, Alexander | | | 2043 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Akopian, Robert | | | 2114 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Von Krogh, Christopher | | | 2218 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Agarwal, Rohan | | | 2190 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Krishnan, Varun | | | 1908 | USA | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Kudryavtsev, Vadim | | | 2173 | RUS | 1.00 | 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) | | | | 13th Annual Mid-America Open | St. Louis, Missouri | USA | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2233 | 2.00 | 2 | 0.64 | 15 | 9.60 | |
| | Hortillosa, Andres D | | | 2141 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Cohen, Lawrence S | | | 2055 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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