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Individual Calculations July 2009 |
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| Sevillano, Enrico Total change: 7.60 | |   |
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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 |
| 2390 | 2520 | 4.00 | 5 | 0.69 | 10 | 6.90 | |
|  Pupols, Viktors | | | 2217 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Naroditsky, Daniel | f | | 2335 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Odondoo, Ganbold | m | | 2345 | MGL | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Kraai, Jesse | g | | 2488 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Kudrin, Sergey | g | | 2563 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | |
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 |
| 2546 | 2520 | 3.00 | 8 | -0.73 | 10 | -7.30 | |
| | Shulman, Yury | g | | 2632 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Brooks, Michael A | m | | 2463 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Shankland, Samuel | m | | 2446 | USA | 0.00 | 1 | -0.60 | 10 | -6.00 | | | Shabalov, Alexander | g | | 2569 | USA | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Kaidanov, Gregory | g | | 2595 | USA | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Robson, Ray | m | | 2465 | USA | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Christiansen, Larry | g | | 2588 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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 Lina Grumette Memorial Day Classic | Los Angeles, California | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2520 | 4.50 | 6 | 0.10 | 10 | 1.00 | |
| | Kitagami, Show | | | 2170 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Faber, Craig Allen | | | 2170 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bryant, John Daniel | | | 2292 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Porter, Ryan W | f | | 2284 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Khachiyan, Melikset | g | | 2546 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Matikozyan, Andranik | m | | 2470 | ARM | 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 |
| 2387 | 2520 | 4.00 | 5 | 0.70 | 10 | 7.00 | |
| | Hilton, Jonathan L | | | 2220 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Holt, Conrad | | | 2289 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Finegold, Benjamin | m | | 2497 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Boor, Carl B | f | | 2291 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Bareev, Evgeny | g | | 2636 | RUS | 1.00 | 1 | 0.66 | 10 | 6.60 | |
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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