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Individual Calculations August 2012 |
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| Tuhrim, Richard J Total change: -20.70 | |   |
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| 40th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2347 | 2268 | 1.00 | 4 | -0.70 | 15 | -10.50 | |
|  Shulman, Yury | g | | 2588 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Lebovitz, Andrew E | | | 2061 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Gelashvili, Tamaz | g | | 2604 | GEO | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Leve, Nitai D | | | 2134 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | |
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 MCC July Grand Prix | New York, New York | USA | 2012-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2268 | 2.50 | 4 | -0.68 | 15 | -10.20 | |
| | Margiotta, Jason J | | | 1976 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Matlin, Anna R | | wc | 2008 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Resika, Nathan | f | | 2156 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Frumkin, Edward A | | | 1958 | USA | 0.50 | 1 | -0.36 | 15 | -5.40 | |
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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