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Individual Calculations July 2009 |
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| Khachiyan, Melikset Total change: -29.80 | |   |
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| 9th Annual Sands Regency Reno - Far West Open | Reno, Nevada | USA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2388 | 2546 | 3.50 | 6 | -0.68 | 10 | -6.80 | |
|  Rupel, David G | | | 2196 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Collyer, Curt D | | | 2289 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Antal, Gergely | m | | 2490 | HUN | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Pruess, David | m | | 2400 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Kudrin, Sergey | g | | 2563 | USA | 0.00 | 1 | -0.48 | 10 | -4.80 | | | Mezentsev, Vladimir | m | | 2387 | RUS | 0.50 | 1 | -0.21 | 10 | -2.10 | |
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 US Championship | St. Louis, Missouri | USA | 2009-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2509 | 2546 | 2.00 | 8 | -2.36 | 10 | -23.60 | |
| | Shulman, Yury | g | | 2632 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Shankland, Samuel | m | | 2446 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Krush, Irina | m | wg | 2452 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Hess, Robert L | m | | 2485 | USA | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Benjamin, Joel | g | | 2583 | USA | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Ibragimov, Ildar | g | | 2586 | USA | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Eckert, Doug D | f | | 2275 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | | | Becerra, Julio J | g | | 2609 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | |
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 Lina Grumette Memorial Day Classic | Los Angeles, California | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2344 | 2546 | 4.50 | 6 | 0.06 | 10 | 0.60 | |
| | Garcia, Carlos | | | 2196 | CUB | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Yee, Michael Anthony | | | 2196 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Peters, Jack | m | | 2390 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Matikozyan, Andranik | m | | 2470 | ARM | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Sevillano, Enrico | m | | 2520 | USA | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Bryant, John Daniel | | | 2292 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | |
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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