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Individual Calculations September 2009 |
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| Friedel, Joshua E Total change: 8.20 | |   |
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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 |
| 2416 | 2516 | 4.50 | 8 | -0.54 | 10 | -5.40 | |
|  Bartell, Thomas | f | | 2368 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | |  Bhat, Vinay S | g | | 2475 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Gerzhoy, Leonid | m | | 2420 | CAN | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Robson, Ray | m | | 2465 | USA | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Getz, Alec | f | | 2229 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Uesugi, Shinsaku | | | 2288 | JPN | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Cheng, Bindi | f | | 2361 | CAN | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Kamsky, Gata | g | | 2720 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | |
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 | 2547 | 8.50 | 11 | 1.36 | 10 | 13.60 | |
| | Azevedo, Alcides Alexandre A. | | | 2147 * | BRA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gattass, Allan | | | 2249 | BRA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Disconzi Da Silva, Rodrigo | m | | 2366 | BRA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Garcia, Gildardo | g | | 2390 | COL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Milos, Gilberto | g | | 2589 | BRA | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Soto Vega, Jorge | f | | 2341 | PER | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Tsuboi, Edson Kenji | f | | 2399 | BRA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Barrientos, Sergio E. | m | | 2474 | COL | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Ehlvest, Jaan | g | | 2614 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Zambrana, Oswaldo | g | | 2473 | BOL | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Leitao, Rafael | g | | 2610 | BRA | 1.00 | 1 | 0.59 | 10 | 5.90 | | | * 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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