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Individual Calculations February 2013 |
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| Ventura, Christopher Anthony Total change: 49.35 | |   |
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| 5th Annual Chesapeake Open | Gaithersburg, Maryland | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1993 | 1.50 | 2 | 0.36 | 15 | 5.40 | |
|  Sinha, Sahil | | | 1981 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Moorthy, Srinivas | | | 1906 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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 Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 1993 | 5.50 | 7 | 2.93 | 15 | 43.95 | |
| | Selzler, Richard | | | 2193 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Oreshko, Maryia | | | 1775 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Holliman, Bob | | | 2021 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Treger, Yefim | | | 2208 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Sakai, Hibicki | | | 2063 | JPN | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Krasik, Ilya | | | 2187 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Shibut, Macon A | f | | 2228 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | |
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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