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Individual Calculations March 2012 |
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| Treger, Yefim Total change: 11.85 | |   |
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| 30th Annual Empire City Open | New York, New York | USA | 2011-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2202 | 3.50 | 6 | 0.29 | 15 | 4.35 | |
|  Harding, Andre E | | | 1968 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Fageot, Julien | | | 2084 | FRA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Maltese, Adam S | | | 2281 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Ostrovskiy, Aleksandr | f | | 2313 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Velikhanli, Firuza | | wg | 2262 | AZE | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Carre, Sylvain | | | 2129 | FRA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | 2012 Marshall January Grand Prix | New York, New York | USA | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2194 | 2.50 | 4 | -0.23 | 15 | -3.45 | |
| | Kumar, Aravind | | | 1886 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Berg, George P | | | 2052 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Layevskiy, Michael | | | 2002 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Thaler, Michael | | | 2243 | USA | 0.00 | 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) | | | | Marshall Chess Club Jan/Feb FIDE Monday | New York, New York | USA | 2012-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2194 | 4.00 | 5 | 1.06 | 15 | 15.90 | |
| | Kopiecki, Edward P | | | 1990 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Moon, Kyle | | | 2059 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Sena, Juan | | | 2127 | DOM | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Resika, Nathan | f | | 2143 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Bonin, Jay | m | | 2311 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | 44th Annual Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2194 | 3.00 | 5 | -0.33 | 15 | -4.95 | |
| | Tom, George | | | 2032 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Ding, Kimberly | | wf | 1915 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Griggs, Walker K | | | 2238 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Sakai, Hibiki | | | 2021 | JPN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Li, Aize | | | 2112 | CHN | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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