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Individual Calculations July 2008 |
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| Friedel, Josh Total change: 39.60 | |   |
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| 10th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2008-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2401 | 2487 | 6.00 | 9 | 0.55 | 10 | 5.50 | |
|  Friedman, Josef | f | | 2182 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Macintyre, Paul | f | | 2299 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Shulman, Yury | g | | 2614 | USA | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Bonin, Jay | m | | 2351 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Kaufman, Raymond | f | | 2386 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Ivanov, Alexander | g | | 2554 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Harper, Warren | | | 2234 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Sarkar, Justin | m | | 2412 | USA | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Becerra, Julio | g | | 2573 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | |
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) | | | | 2008 Frank K Berry U.S. Championship - Qualifier Fide Open | Tulsa, Oklahoma | USA | 2008-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2267 | 2487 | 3.00 | 6 | -1.66 | 10 | -16.60 | |
| | Hansen, Eric | | | 2224 | CAN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Naroditsky, Daniel | f | | 2205 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Ludwig, Daniel | | | 2357 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Kleiman, Jake | f | | 2322 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Shankland, Samuel | | | 2279 | USA | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Shipman, Walter | m | | 2216 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | |
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) | | | | 2008 Frank K Berry US Championship | Tulsa, Oklahoma | USA | 2008-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2534 | 2484 | 5.50 | 9 | 1.62 | 10 | 16.20 | |
| | Kaidanov, Gregory | g | | 2596 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Shankland, Sam | | | 2296 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Ivanov, Alexander | g | | 2560 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Gulko, Boris | g | | 2559 | USA | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Becerra, Julio | g | | 2575 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Perelshteyn, Eugene | g | | 2552 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Gurevich, Dmitry | g | | 2513 | USA | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Kudrin, Sergey | g | | 2549 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Shulman, Yury | g | | 2606 | USA | 0.50 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | 17th Annual Chicago Open | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2501 | 2484 | 5.00 | 7 | 1.72 | 10 | 17.20 | |
| | Zenyk, Iryna | c | wf | 2233 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Nakamura, Hikaru | g | | 2686 | USA | 1.00 | 1 | 0.76 | 10 | 7.60 | | | Kolev, Atanas | g | | 2568 | BUL | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Homa, Seth | | | 2239 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Akobian, Varuzhan | g | | 2601 | USA | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Shulman, Yury | g | | 2606 | USA | 1.00 | 1 | 0.67 | 10 | 6.70 | | | Becerra, Julio | g | | 2575 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | |
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) | | | | 2008 National Open | Las Vegas, Nevada | USA | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2438 | 2484 | 5.00 | 6 | 1.73 | 10 | 17.30 | |
| | Haskel, Jeffrey | | | 2134 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Aigner, Michael | | | 2249 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Nakamura, Hikaru | g | | 2686 | USA | 0.50 | 1 | 0.26 | 10 | 2.60 | | | Small, Gregg | | | 2234 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Akobian, Varuzhan | g | | 2601 | USA | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Kamsky, Gata | g | | 2726 | USA | 0.50 | 1 | 0.30 | 10 | 3.00 | |
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) | | |
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