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Individual Calculations July 2010 |
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| Treger, Yefim Total change: -18.60 | |   |
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| Marshall CC FIDE Thursdays | New York, NY | USA | 2010-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2230 | 2.00 | 4 | -0.46 | 15 | -6.90 | |
|  Sturt, Raven M | | | 2168 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |  Frumkin, Edward A | | | 2002 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Hoffmann, Asa | f | | 2279 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Evans, Cory A | | | 2121 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | New York May Open | New York, New York | USA | 2010-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2230 | 1.00 | 3 | -0.61 | 15 | -9.15 | |
| | Margiotta, Jason J | | | 1999 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Sturt, Raven M | | | 2168 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Lapshun, Yury | m | | 2442 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | 3rd Ney York International | New York, New York | USA | 2010-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2272 | 2230 | 3.00 | 7 | -0.17 | 15 | -2.55 | |
| | Bhatty, Karran | | | 2046 | IND | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Hirneise, Tobias | m | | 2447 | GER | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Romanenko, Vladimiir | m | | 2496 | BLR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Zaderman, Vitaly | | | 2168 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Kats, Alena | | | 2041 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Bercys, Salvijus | m | | 2427 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Zenyuk, Iryna | c | wm | 2276 | USA | 1.00 | 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) | | |
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