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Individual Calculations April 2008 |
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| Medina, Rodelay Total change: 49.20 | |   |
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| 17th Annual North American Open | Las Vegas, NV | USA | 2007-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2332 | 2159 | 3.50 | 5 | 2.04 | 25 | 51.00 | |
|  Mitkov, Nikola | g | | 2509 | MKD | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Vicary, Elizabeth | | wf | 2153 | USA | 1.00 | 1 | 0.49 | 25 | 12.25 | |  Karklins, Andrew | f | | 2279 | USA | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Akopyan, Harutyun | f | | 2273 | USA | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Mikhailuk, Slava | f | | 2446 | USA | 0.50 | 1 | 0.34 | 25 | 8.50 | |
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 | | January 2008 Miami IM Invitational | Miami, Florida | USA | 2008-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2183 | 3.00 | 9 | -0.12 | 15 | -1.80 | |
| | Martinez, Marcel | f | | 2418 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Andretta, Carlos | | | 2206 | ARG | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Stopa, Jacek | m | | 2420 | POL | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Hecht, Eric | | | 1941 | USA | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Esserman, Marc | | | 2257 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Lugo, Blas | m | | 2411 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Otero, Evelio | m | | 2385 | CUB | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Lopez, Bruci | f | | 2411 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Rodriguez, Eric | | | 2267 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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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