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Individual Calculations December 2012 |
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| Markzon, Gregory Total change: -7.50 | |   |
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| 43rd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2210 | 2.00 | 4 | -0.50 | 15 | -7.50 | |
|  Erenburg, Sergey | g | | 2610 * | ISR | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Sakai, Hibicki | | | 2053 | JPN | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Cortese, Anthony | | | 1951 | USA | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Dong, Alice | | | 1854 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | * 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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