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Individual Calculations September 2013 |
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| Petesch, Gabriel Total change: 44.70 | |   |
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| 12th Annual Manhattan Open | New York, New York | USA | 2013-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2196 | 2.50 | 4 | 0.37 | 30 | 11.10 | |
|  Gandhi, Ashok | | | 2088 | USA | 1.00 | 1 | 0.35 | 30 | 10.50 | |  Busygin, Stanislav | | | 2141 | USA | 0.50 | 1 | -0.08 | 30 | -2.40 | | | Kudrin, Sergey | g | | 2527 | USA | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Helfst, Matt D | | | 1973 | USA | 1.00 | 1 | 0.22 | 30 | 6.60 | |
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) | | | | 6th Annual Cleveland Open | Cleveland, Ohio | USA | 2013-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2196 | 2.50 | 3 | 0.79 | 30 | 23.70 | |
| | Acosta, Mariano A | | | 1981 | USA | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Virkud, Apurva | | | 1936 | USA | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Kudrin, Sergey | g | | 2527 | USA | 0.50 | 1 | 0.38 | 30 | 11.40 | |
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) | | | | 45th Annual Atlantic Open | Washington DC | USA | 2013-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2196 | 1.50 | 3 | 0.33 | 30 | 9.90 | |
| | Chang, Jeffrey E | | | 1994 | USA | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Sarkar, Justin | m | | 2437 | USA | 0.50 | 1 | 0.30 | 30 | 9.00 | | | Mazur, Stefan | m | | 2424 | SVK | 0.00 | 1 | -0.21 | 30 | -6.30 | |
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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