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Individual Calculations September 2012 |
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| Hughes, John L Total change: -33.45 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 16 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 2084 | 2.50 | 6 | -1.72 | 15 | -25.80 | |
|  Garcia, Miguel A | | | 1713 | PER | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Rodriguez Barragan, Luis E | | | 1888 | MEX | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Henriquez Villagra, Cristobal | f | | 2323 | CHI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Jerves Cordova, Carlos | | | 1899 | ECU | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Bocanegra Acosta, Erick | | | 1795 | PER | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Talledo Lagos, Cesar | | | 1849 | PER | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | 11th Annual Manhattan Open - U2300 Section | New York, New York | USA | 2012-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2064 | 3.00 | 6 | -0.51 | 15 | -7.65 | |
| | Robinson, Darrian | | | 1979 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Weatherspoon, Kyler J | | | 1949 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Pena, Joel Anthony | | | 2045 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Winter, Curtis A | | | 1936 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Matlin, Anna | | wc | 2040 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Berg, George P | | | 2066 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | |
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