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Individual Calculations May 2011 |
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| Treger, Yefim Total change: 17.85 | |   |
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| Marshall Chess Club FIDE Mondays - 2011 | New York, New York | USA | 2011-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2163 | 2.50 | 4 | 0.17 | 15 | 2.55 | |
|  Hellenschmidt, Andrew | | | 1996 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Layevskiy, Michael | | | 2038 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Ray, Sarathi | | | 2070 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Hoffmann, Asa | f | | 2305 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 2011 New York March Open | New York, New York | USA | 2011-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2163 | 1.50 | 2 | 0.49 | 15 | 7.35 | |
| | Sarkar, Justin | m | | 2389 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Raphael, Christopher | | | 1924 | TRI | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | 2011 Marshall April Grand Prix | New York, New York | USA | 2011-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2163 | 2.00 | 2 | 0.53 | 15 | 7.95 | |
| | Paciulli, Frank | | | 1951 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Moon, Kyle | | | 2011 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | |
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