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Individual Calculations December 2012 |
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| Giannatos, Peter L Total change: 36.60 | |   |
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| 3rd Annual Continental Class Championships - Expert Section | Arlington, Virginia | USA | 2012-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2085 | 3.50 | 4 | 1.40 | 15 | 21.00 | |
|  Gishi, Takeshi | | | 2054 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Yavari, Paul | | | 2104 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Fischer, Robert J | | | 2133 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Regam, Jessica | | | 1969 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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) | | | | 43rd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2085 | 3.00 | 6 | 1.04 | 15 | 15.60 | |
| | Ostrovskiy, Aleksandr A | f | | 2382 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Wlezien, Alexander | | | 2047 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Shabalov, Alexander | g | | 2485 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Helfst, Matt D | | | 1950 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Foisor, Sabina-Francesca | | wg | 2326 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Shen, Arthur | f | | 2237 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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