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Individual Calculations September 2009 |
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| Zhao, Parker B Total change: -10.95 | |   |
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| 2nd New York International | New York, NY | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2292 | 2301 | 3.50 | 8 | -0.55 | 15 | -8.25 | |
|  Stopa, Jacek | m | | 2471 | POL | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Hellenschmidt, Andrew | | | 2024 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Ippolito, Dean J | m | | 2443 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Yeager, Daniel A | f | | 2372 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Bonin, Jay | m | | 2369 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Ostrovskiy, Aleksandr | c | | 2061 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Molner, Mackenzie | | | 2384 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Goikhman, Valentin | | | 2209 | ISR | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2328 | 2301 | 4.00 | 9 | -0.18 | 15 | -2.70 | |
| | Perelshteyn, Eugen | g | | 2543 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Stocek, Jiri | g | | 2573 | CZE | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Campiz, Leonardo | | | 2082 | PUR | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Esserman, Marc R | | | 2391 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Garcia, Gildardo J | g | | 2401 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Tuhrim, Richard J | | | 2022 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kaminski, Victor | | | 2244 | CAN | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Arnold, Marc T | m | | 2408 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Uesugi, Shinsaku | | | 2288 | JPN | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | |
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