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Individual Calculations September 2010 |
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| Reichstein, Boris Total change: 13.65 | |   |
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| 38th Annual World Open - Open Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2133 | 2.50 | 8 | 0.38 | 15 | 5.70 | |
|  Fedorowicz, John P | g | | 2456 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | |  Bercys, Salvijus | m | | 2427 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Thaler, Michael | | | 2253 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Bartell, Thomas | f | | 2376 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Getz, Alec | f | | 2289 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Pertlova, Sona | | wm | 2201 | CZE | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Bailleau, Gerald A | | | 2219 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Gulamali, Kazim | f | | 2357 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 16th Annual Northeast Open | Stamford, Connecticut | USA | 2010-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2133 | 2.00 | 4 | 0.53 | 15 | 7.95 | |
| | Cencetti, Arthur | | | 1999 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Vioreanu, Bogdan G | m | | 2418 | ROU | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Ivanov, Alexander | g | | 2533 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Prilleltensky, Matt | | | 2096 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | * 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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