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Individual Calculations September 2011 |
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| Heung, Christopher Total change: 24.90 | |   |
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| 2011 FIDE Continental America's Amateur Chess Championship | Rosemont, Illinois | USA | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2109 | 4.50 | 6 | 0.38 | 15 | 5.70 | |
|  O`Neill, Julie Ann | | | 1855 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Stevanovic, Miomir | | | 1926 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Ligato, Guillermo | | | 1795 | ARG | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Liang, Awonder | | | 1832 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Pamatmat, Jarod M | | | 2136 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Haessler, Carl A | | | 2167 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | 4th Summer Solstice Open | Fort Lauderdale, Florida | USA | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2387 | 2109 | 2.00 | 4 | 1.28 | 15 | 19.20 | |
| | Henley, Ronald W | g | | 2426 | USA | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Perez, Robert M | | | 2210 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Fernandez, Daniel | m | | 2401 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Becerra, Julio J | g | | 2509 * | USA | 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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