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Individual Calculations September 2009 |
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| Leitao, Rafael Total change: 12.90 | |   |
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| Zonal Sul Americano 2.4 Absoluto 2009 | Rio de Janeiro/RJ | BRA | 2009-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2451 | 2590 | 6.50 | 9 | 0.47 | 10 | 4.70 | |
|  Zambrana, Oswaldo | g | | 2473 | BOL | 1.00 | 1 | 0.34 | 10 | 3.40 | |  Lima, Darcy | g | | 2499 | BRA | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Diamant, Andre | m | | 2506 | BRA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Fier, Alexandr | g | | 2595 | BRA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Mecking, Henrique | g | | 2556 | BRA | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Bittencourt, Jorge | m | | 2471 | BRA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Moreno, William | | | 2240 | PER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Matsuura, Everaldo | m | | 2482 | BRA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Palacios, Efrain | | | 2240 | PER | 1.00 | 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) | | | | Primer Olimpiada del Mercosur 2009 | Mar del Plata | ARG | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2334 | 2590 | 5.50 | 6 | 0.68 | 10 | 6.80 | |
| | Ferrufino, Boris | c | | 2240 | BOL | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Lafuente, Pablo | g | | 2517 | ARG | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Izquierdo, Daniel | f | | 2288 | URU | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Robledo, Manuel | | | 2245 | PER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Rios Escobar, Adan | | | 2311 | CHI | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Hobaica, Juan Pablo | m | | 2400 | ARG | 1.00 | 1 | 0.25 | 10 | 2.50 | |
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 |
| 2432 | 2610 | 7.50 | 11 | -0.43 | 10 | -4.30 | |
| | Lucena, Lincoln | f | | 2210 * | BRA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Aranha Filho, Alvaro Z. | f | | 2292 | BRA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | El Debs, Felipe De Cresce | m | | 2467 | BRA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Alvarez Marquez, Johann | m | | 2431 | VEN | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Lafuente, Pablo | g | | 2562 | ARG | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Gerzhoy, Leonid | m | | 2409 | CAN | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Rios, Mauricio Flores | m | | 2482 | CHI | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Dos Santos, Ramiro | f | | 2438 | ARG | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Perez Rodriguez, Luis Manuel | g | | 2512 | CUB | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Tsuboi, Edson Kenji | f | | 2399 | BRA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Friedel, Joshua E. | g | | 2547 | USA | 0.00 | 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) | | | | Continental Team Championship 2009 | Mendes/RJ | BRA | 2009-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2466 | 2610 | 4.00 | 5 | 0.57 | 10 | 5.70 | |
| | Mosquera, Miguel | m | | 2393 | COL | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Dominguez, Jose Manuel | m | | 2368 | DOM | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Alvarez, Marquez Johann | m | | 2431 | VEN | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Alonso, Salvador | m | | 2517 | ARG | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Bruzon Batista, Lazaro | g | | 2619 | CUB | 1.00 | 1 | 0.51 | 10 | 5.10 | |
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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