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Individual Calculations April 2009 |
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| Kudryavtsev, Vadim Total change: -8.40 | |   |
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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 |
| 2286 | 2173 | 4.00 | 6 | 1.91 | 15 | 28.65 | |
|  Naroditsky, Daniel | f | | 2382 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | |  Lucky, David | f | | 2303 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Ye, Ling F | | | 2188 | CAN | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Hansen, Eric | f | | 2362 | CAN | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Yanayt, Eugene | f | | 2241 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Villanueva, Hugo | | | 2242 | PHI | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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 |
| 2203 | 2173 | 1.00 | 5 | -1.28 | 15 | -19.20 | |
| | Hansen, Eric | f | | 2376 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Hanken, Jerome B | | | 1924 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Bryant, John Daniel | | | 2240 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Steinfl, Alessandr | | | 2242 | ITA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Karklins, Andrew | f | | 2233 | USA | 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) | | | | 7th Annual Western Pacific Open | Los Angeles, CA | USA | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2173 | 0.00 | 2 | -1.19 | 15 | -17.85 | |
| | Small, Gregg H | | | 2271 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Krishnan, Varun | | | 1908 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | |
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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