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Individual Calculations April 2009 |
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| Izoria, Zviad Total change: -2.60 | |   |
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| 2008 Berkeley International | Berkeley, California | USA | 2008-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2409 | 2610 | 7.00 | 10 | -0.49 | 10 | -4.90 | |
|  Pruess, David | m | | 2422 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | |  Kustar, Sandor | m | | 2356 | HUN | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Esserman, Marc R | | | 2348 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Rensch, Daniel M | f | | 2354 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Kacheishvili, Gior | g | | 2572 | GEO | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Krush, Irina | m | wg | 2452 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Naroditsky, Daniel | f | | 2382 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Friedel, Joshua E | g | | 2497 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Sharavdorj, Dashze | g | | 2442 | MGL | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Zenyuk, Iryna | c | wm | 2260 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |
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) | | | | 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2541 | 2610 | 2.00 | 3 | 0.23 | 10 | 2.30 | |
| | Kacheishvili, Giorgi | g | | 2572 | GEO | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Shankland, Samuel | m | | 2436 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Shulman, Yury | g | | 2616 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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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