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Individual Calculations January 2011 |
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| Esserman, Marc R Total change: -4.50 | |   |
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| 2010 Marshall Chess Club Championship | New York, New York | USA | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2337 | 2400 | 4.00 | 7 | 0.02 | 10 | 0.20 | |
|  Smarty, Sylvester | | | 2096 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Sena, Juan | | | 2159 | DOM | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Lenderman, Aleksander | g | | 2559 | USA | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Sarkar, Justin | m | | 2389 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Pressman, Leif A | | | 2116 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Paragua, Mark C | g | | 2496 | PHI | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Kudrin, Sergey | g | | 2546 | USA | 0.00 | 1 | -0.30 | 10 | -3.00 | |
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) | | | | 41st Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2010-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2416 | 1.50 | 3 | -0.47 | 10 | -4.70 | |
| | Prilleltensky, Matan | | | 2122 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Kacheishvili, Giorgi | g | | 2575 | GEO | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Pressman, Leif A | | | 2140 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | |
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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