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Individual Calculations July 2009 |
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| Matikozyan, Andranik Total change: 7.90 | |   |
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| 2009 Lina Grumette Memorial Day Classic | Los Angeles, California | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2453 | 2470 | 1.50 | 3 | -0.06 | 10 | -0.60 | |
|  Khachiyan, Melikset | g | | 2546 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | |  Bryant, John Daniel | | | 2292 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Sevillano, Enrico | m | | 2520 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | |
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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2470 | 3.00 | 3 | 0.85 | 10 | 8.50 | |
| | Yang, Darwin | f | | 2231 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Molner, Mackenzie | | | 2384 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Bryant, John D | | | 2292 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | |
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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