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Individual Calculations January 2009 |
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| Berg, George P Total change: 2.85 | |   |
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| Edward Lasker Memorial and 92nd Annual Marshall Chess Club Championship | New York, New York | USA | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2100 | 2.50 | 7 | 0.00 | 15 | 0.00 | |
|  Molner, Mackenzie | | | 2382 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | |  Szuper, Paul | | | 2168 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Chernin, Oliver | | | 2150 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Zhao, Parker B | | | 2317 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Margulis, Yevgeni | | | 2274 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Rosenberg, Evan S | | | 2182 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Ryba, Andrew | | | 2014 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | What-A-Turkey Open | New York, NY | USA | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2100 | 1.50 | 4 | 0.19 | 15 | 2.85 | |
| | Rhode, Michael A | g | | 2450 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Harding, Andre E | | | 1984 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Naranja, Renato C | m | | 2274 | PHI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Margulis, Yevgeni | | | 2274 | 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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