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Individual Calculations January 2010 |
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| Rosenberg, Evan S Total change: 4.35 | |   |
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| 2nd Annual Cleveland Open | Cleveland, Ohio | USA | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2208 | 1.00 | 3 | -0.40 | 15 | -6.00 | |
|  Smarty, Sylvester | | | 2077 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Shabalov, Alexander | g | | 2607 | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Magness, Trevor S | | | 2108 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | 40th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2208 | 2.50 | 5 | 0.69 | 15 | 10.35 | |
| | Mandelkern, Jeremy L | | | 2151 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Smith, Bryan G | m | | 2463 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Hungaski, Robert A | m | | 2413 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Finn, Sean N | | | 2189 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Zaikov, Oleg N | f | | 2385 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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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