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Individual Calculations July 2010 |
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| Vibbert, Sean Total change: 37.25 | |   |
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| 19th Annual Chicago Open | Wheeling, Illinois | USA | 2010-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2098 | 2.50 | 6 | 0.98 | 25 | 24.50 | |
|  Bercys, Salvijus | m | | 2427 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Mandizha, Farai | f | | 2315 | ZIM | 0.00 | 1 | -0.22 | 25 | -5.50 | |  Flaga, Krzysztof | | | 2048 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Zenyuk, Iryna | c | wm | 2276 | USA | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Battaglini, Gabriel | m | | 2420 | FRA | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Zin, Aung T | f | | 2326 | MYA | 1.00 | 1 | 0.79 | 25 | 19.75 | |
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) | | | NOTE: K factor changed | | 52nd Gem City Open | Dayton, Ohio | USA | 2010-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2098 | 2.00 | 4 | 0.93 | 15 | 13.95 | |
| | Bixel, Carl | | | 2060 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Ramer, Scott | | | 2223 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Goldin, Alex | g | | 2498 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Vojinovic, Goran | m | | 2447 | SRB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | * 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) | | | NOTE: K factor changed | | 2010 South Carolina Open | Greenville, South Carolina | USA | 2010-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2498 | 2098 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
| | Ftacnik, Lubomir | g | | 2498 * | SVK | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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