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Individual Calculations September 2011 |
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| Altschuler, Jason Total change: 30.00 | |   |
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| 8th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2011-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2037 | 5.00 | 9 | 0.65 | 15 | 9.75 | |
|  Bartell, Thomas | f | | 2352 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Pabon, Tony | | | 1637 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ardaman, Miles F | f | | 2301 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Nieto, Manuel V | | | 1847 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Aaron, Deepak | | | 2288 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Nieto, Guillermo L | | | 1825 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Piasetski, Leon D | m | | 2301 | CAN | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Vazquez Maccarini, Danitza F | | wf | 1785 | PUR | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Katz, Benjamin | | | 2104 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | * 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) | | | | 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2037 | 3.50 | 5 | 1.38 | 15 | 20.70 | |
| | Chiang, Jonathan | | | 1793 | USA | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Slomski, Matt | | | 2000 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Martchenko, Alexander | | | 2227 | CAN | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Sena, Juan | | | 2155 | DOM | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Melekhina, Alisa | f | wm | 2304 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 2011 US Junior Open - U21 Section | Houston, Texas | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2027 | 1.00 | 3 | -0.03 | 15 | -0.45 | |
| | Balakrishnan, Naveen | | | 2059 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Michaelides, Matthew | | | 2088 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Harper, Warren T. | f | | 2320 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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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