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Individual Calculations March 2012 |
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| Ortiz, Nadya Total change: 18.60 | |   |
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| 2011 Pan American Intercollegiate Chess Tournament | Fort Worth, Texas | USA | 2011-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2236 | 4.00 | 5 | 0.87 | 15 | 13.05 | |
|  Jamison, Courtney | | | 1994 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Kaplan, Sasha | m | | 2419 | ISR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Iglesias, Enmanuel | | | 2082 | CUB | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Safin, Artur K | | | 2218 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Armas, Lara | | | 1964 | FRA | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | 2012 Southwest Collegiate Championships | Dallas, Texas | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2473 | 2236 | 1.00 | 3 | 0.37 | 15 | 5.55 | |
| | Yotov, Valentin | g | | 2560 | BUL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Cornejo, Max | m | | 2411 | PER | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Bercys, Salvijus | m | | 2449 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | |
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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