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Individual Calculations April 2013 |
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| Peng, David Tianjian Total change: 32.70 | |   |
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| 2013 Illinois Barber Qualifier | Skokie, Illinois | USA | 2013-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1995 | 3.00 | 3 | 0.91 | 15 | 13.65 | |
|  Stevens, Matthew | | | 1710 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Bian, Alex | | | 1917 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Holecek, Zachary | | | 1890 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | 17th Annual Mid-America Open | St Louis, Missouri | USA | 2013-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 1985 | 2.50 | 5 | 1.27 | 15 | 19.05 | |
| | Shabalov, Alexander | g | | 2385 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Neimer, Vitaly | m | | 2385 * | ISR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Zhou, Jason | | | 1752 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Kavutskiy, Konstantin | f | | 2280 | USA | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Santarius, Erik F | | | 2302 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | * 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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