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Individual Calculations May 2015 |
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| Margvelashvili, George Total change: -2.80 | |   |
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| 9th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2015-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2340 | 2539 | 6.50 | 9 | -0.13 | 10 | -1.30 | |
|  Burke, John Michael | | | 2200 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Sorkin, Igor | | | 2325 | ISR | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Peng, David Tianjian | c | | 2168 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Cummings, David | m | | 2340 | CAN | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Pourkashiyan, Atousa | | wg | 2347 | IRI | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Mandizha, Farai | m | | 2365 | ZIM | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Wang, Qibiao | | | 2206 | CHN | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Chandra, Akshat | m | | 2476 | USA | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Dreev, Aleksey | g | | 2636 | RUS | 0.50 | 1 | 0.13 | 10 | 1.30 | |
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) | | | | 2015DCC FIDE Open V | Richardson, Texas | USA | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2334 | 2539 | 3.50 | 5 | -0.15 | 10 | -1.50 | |
| | Premkumar, Hiren | | | 2139 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Batsaikhan, Orgil | | | 2139 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Yang, Darwin | m | | 2485 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Li, Ruifeng | f | | 2426 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Xiong, Jeffery | m | | 2482 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | * 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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