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Individual Calculations January 2009 |
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| Getz, Alec Total change: 0.60 | |   |
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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 |
| 2230 | 2222 | 3.50 | 7 | 0.05 | 15 | 0.75 | |
|  Frumkin, Edward A | | | 2031 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | |  Sobo, Henry C | | | 2100 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Margulis, Yevgeni | | | 2274 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Szuper, Paul | | | 2168 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Naranja, Renato C | m | | 2274 | PHI | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Zhao, Parker B | | | 2317 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Lenderman, Alex | m | | 2443 | USA | 0.00 | 1 | -0.22 | 15 | -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) | | | | What-A-Turkey Open | New York, NY | USA | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2222 | 0.50 | 1 | -0.01 | 15 | -0.15 | |
| | Treger, Yefim | | | 2218 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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