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Individual Calculations July 2011 |
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| Arnold, Marc T Total change: 13.00 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2319 | 2432 | 6.50 | 9 | 0.90 | 10 | 9.00 | |
|  Koo, Oliver T | | | 2228 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | |  Lenderman, Aleksandr | g | | 2548 | USA | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Cao, Kevin Y | | | 2110 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Mandelkern, Jeremy | | | 2059 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Gurevich, Daniel | | | 2098 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Zenyuk, Iryna | c | wm | 2222 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Sadorra, Julio C | m | | 2498 | PHI | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Hess, Robert L | g | | 2601 | USA | 0.50 | 1 | 0.22 | 10 | 2.20 | | | Amanov, Mesgen | g | | 2509 | TKM | 0.50 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2418 | 2432 | 4.50 | 8 | 0.40 | 10 | 4.00 | |
| | Wang, Andrew C | | | 2157 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Shabalov, Alexander | g | | 2586 | USA | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Gerzhoy, Leonid | m | | 2496 | CAN | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Kudrin, Sergey | g | | 2543 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Gareyev, Timur | g | | 2610 | UZB | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Yang, Darwin | m | | 2432 | USA | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Vazquez, Raul | c | | 2217 | PUR | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Piasetski, Leon D | m | | 2301 | CAN | 0.50 | 1 | -0.18 | 10 | -1.80 | |
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) | | |
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