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Individual Calculations February 2013 |
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| Robson, Ray Total change: 2.50 | |   |
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| 2012 Pan American Intercollegiate Chess Championship | Princeton, New Jersey | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2435 | 2616 | 4.00 | 5 | 0.43 | 10 | 4.30 | |
|  Yu, Sally | | | 2216 * | AUS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Heimann, Mark | | | 2337 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Bachmann, Axel | g | | 2524 | PAR | 0.00 | 1 | -0.63 | 10 | -6.30 | |  Moradiabadi, Elshan | g | | 2575 | IRI | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Chirila, Ioan C | g | | 2525 | ROU | 1.00 | 1 | 0.38 | 10 | 3.80 | | | * 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) | | | | 9TH PAN AMERICAN TEAM CHESS CHAMPIONSHIP | Campinas/SP | BRA | 2013-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2500 | 2616 | 3.00 | 5 | -0.18 | 10 | -1.80 | |
| | Quesada Perez, Yuniesky | g | | 2595 | CUB | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Larrea, Manuel | f | | 2261 | URU | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bruzon Batista, Lazaro | g | | 2701 | CUB | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Di Berardino, Diego Rafael | m | | 2495 | BRA | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Roselli Mailhe, Bernardo | m | | 2449 | URU | 1.00 | 1 | 0.28 | 10 | 2.80 | |
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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