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Individual Calculations July 2011 |
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| Cherniack, Alex Total change: 13.35 | |   |
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| 80th Massachusetts Open | Marlboro, Massachusetts | USA | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2249 | 1.00 | 3 | -0.50 | 15 | -7.50 | |
|  Shmelov, Denys K | | | 2399 | UKR | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Gu, Christopher | | | 2227 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Plotkin, David Ari | | | 2124 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2249 | 4.00 | 7 | 1.39 | 15 | 20.85 | |
| | Schoch, Ian David | | | 2070 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Sorkin, Igor | | | 2380 | ISR | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Ehlvest, Jaan | g | | 2580 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Vitoux, Colomban | m | | 2435 | FRA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Cao, Kevin | | | 2110 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Kekelidze, Mikheil | g | | 2463 | GEO | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Yang, Darwin | m | | 2432 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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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