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Individual Calculations January 2009 |
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| Frumkin, Edward A Total change: 11.85 | |   |
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| 11th Queens Club Futurity | Jamaica, New York | USA | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2049 | 5.50 | 10 | 0.52 | 15 | 7.80 | |
|  Tamarkin, Lawrence | | | 2150 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | |  Lawson, Brian | | | 2108 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Ryba, Nicholas A | | | 2014 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Muwwakkil, Mulazim | | | 1966 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Ryba, Andrew A | | | 2014 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Tamarkin, Lawrence | | | 2150 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Lawson, Brian | | | 2108 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Ryba, Nicholas A | | | 2014 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Muwwakkil, Mulazim | | | 1966 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Ryba, Andrew A | | | 2014 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | 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 |
| 2119 | 2031 | 3.50 | 8 | 0.37 | 15 | 5.55 | |
| | Getz, Alec | f | | 2222 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Figler, Ilye | f | | 2322 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Ryba, Andrew | | | 2014 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Margulis, Yevgeni | | | 2274 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Rabin, Evan Z | | | 2027 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Kennedy, Shernaz | | wm | 2030 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Hellenschmidt, Andrew | | | 2053 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Farber, Nelson M | | | 2011 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | What-A-Turkey Open | New York, NY | USA | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2031 | 0.50 | 2 | -0.10 | 15 | -1.50 | |
| | Treger, Yefim | | | 2218 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Ellenbogen, Michael | | | 2151 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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