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Individual Calculations January 2009 |
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| Chernin, Oliver Total change: -16.05 | |   |
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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 |
| 2112 | 2150 | 4.00 | 9 | -1.04 | 15 | -15.60 | |
|  Izoria, Zviad | g | | 2500 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Ryba, Nicholas A | | | 2014 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Kennedy, Shernaz | | wm | 2030 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Berg, George P | | | 2100 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Hellenschmidt, Andrew | | | 2053 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Sturt, Raven M | | | 2055 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Sobo, Henry C | | | 2100 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Waxman, Marian | | | 2053 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Katz, Benjamin J | | | 2104 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | | | 14th Annual Northeast Open | Stamford, Connecticut | USA | 2008-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2150 | 2.00 | 4 | -0.03 | 15 | -0.45 | |
| | Panico Iii, Nick F | | | 2068 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Chan, Julian M | | | 2071 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Esserman, Marc R | | | 2348 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Sobo, Henry C | | | 2100 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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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