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Individual Calculations September 2011 |
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| Zapata, Alonso Total change: 10.90 | |   |
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| 39th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2430 | 2478 | 4.50 | 9 | -0.40 | 10 | -4.00 | |
|  Ni, Viktorija | | wm | 2178 | LAT | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Veech, John | | | 2108 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Ehlvest, Jaan | g | | 2580 | USA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Getz, Alec | f | | 2292 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Bluvshtein, Mark | g | | 2589 | CAN | 1.00 | 1 | 0.65 | 10 | 6.50 | | | Mikhalevski, Victor | g | | 2577 | ISR | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Smirin, Ilya | g | | 2661 | ISR | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Lenderman, Aleksander | g | | 2548 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Van Kooten, Luke | f | | 2341 | NED | 0.00 | 1 | -0.68 | 10 | -6.80 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2473 | 7.00 | 8 | 1.49 | 10 | 14.90 | |
| | Gomez, Augustin R | | | 2073 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Salmon, Johan | | | 2073 * | NOR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Xanthos, Constantine | | | 2131 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Tari, Aryan | | | 2179 | NOR | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Ritter, Mark | f | | 2408 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Kaufman, Lawrence | g | | 2406 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Ramirez, Alejandro | g | | 2592 | USA | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Mitkov, Nikola | g | | 2527 | MKD | 1.00 | 1 | 0.58 | 10 | 5.80 | | | * 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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