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Individual Calculations September 2009 |
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| Ivanov, Alexander Total change: 22.00 | |   |
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| 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2470 | 2516 | 5.50 | 9 | 0.51 | 10 | 5.10 | |
|  Dougherty, Michael | f | | 2203 | CAN | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Kamsky, Gata | g | | 2720 | USA | 0.50 | 1 | 0.26 | 10 | 2.60 | | | Amanov, Mesgen | g | | 2517 | TKM | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Melekhina, Alisa | | wm | 2287 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Lee, Michael | f | | 2358 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Shulman, Yury | g | | 2632 | USA | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Hess, Robert L | m | | 2485 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Gerzhoy, Leonid | m | | 2420 | CAN | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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) | | | | Continental Absolute Champioship 2009 | Sao Paulo Chess Club/SP | BRA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2423 | 2527 | 8.50 | 11 | 1.62 | 10 | 16.20 | |
| | Veit, Darlan Rodrigo | | | 2127 * | BRA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Oliveira, Jefferson Dos Santos | | | 2274 | BRA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Toth, Christian Endre | m | | 2357 | BRA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Mekhitarian, Krikor Sevag | m | | 2488 | BRA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Flores, Diego | g | | 2587 | ARG | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Uribe, Mauricio | m | | 2413 | COL | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Oliveira, Silvio Eduardo | | | 2357 | BRA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Perdomo, Leandro Daniel | m | | 2409 | ARG | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Liascovich, Lucas | m | | 2444 | ARG | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Felgaer, Ruben | g | | 2564 | ARG | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Vescovi, Giovanni | g | | 2631 | BRA | 0.50 | 1 | 0.14 | 10 | 1.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 15th Annual Northeast Open | Stamford, Connecticut | USA | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2265 | 2527 | 2.50 | 3 | 0.10 | 10 | 1.00 | |
| | Itkis, Hana | | wf | 2127 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Getz, Alec | f | | 2234 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Barbosa, Oliver A | m | | 2434 | PHI | 0.50 | 1 | -0.13 | 10 | -1.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 39th Annual Continental Open | Sturbridge, Massachusetts | USA | 2009-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2527 | 5.00 | 6 | -0.03 | 10 | -0.30 | |
| | Castaneda, Nelson | f | | 2282 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Times, Lawyer | | | 2127 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Williams, Christopher | | | 2230 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Ravichandran, Siddarth | | | 2306 | IND | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Uesugi, Shinsaku | f | | 2314 | JPN | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Rosenberg, Evan S | | | 2140 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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