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Individual Calculations November 2010 |
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| Katz, Alexander R Total change: -3.25 | |   |
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| 2010 New Jersey State Championship | Somerset, New Jersey | USA | 2010-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2153 | 1.00 | 3 | -0.40 | 25 | -10.00 | |
|  Chen, Kevin E | | | 2026 | USA | 1.00 | 1 | 0.33 | 25 | 8.25 | |  Zlotnikov, Mikhail | m | | 2304 | USA | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Radomskyj, Peter | | | 2200 | USA | 0.00 | 1 | -0.43 | 25 | -10.75 | |
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) | | | | Boardwalk Open | Asbury Park, New Jersey | USA | 2010-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 2153 | 3.00 | 4 | 0.27 | 25 | 6.75 | |
| | Perez, Samuel | | | 1766 | USA | 1.00 | 1 | 0.09 | 25 | 2.25 | | | Sarkar, Justin | m | | 2389 | USA | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Chandrashekar, Bhairav | | | 1753 * | USA | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Kampel, Guido | | | 2001 | ARG | 1.00 | 1 | 0.30 | 25 | 7.50 | | | * 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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