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Individual Calculations January 2009 |
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| Principe, Alexander Total change: 19.50 | |   |
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| II IRT RIO DE JANEIRO 2008 | Lima | | 2008-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 1909 | 2.00 | 4 | 1.34 | 15 | 20.10 | |
|  Henostroza, Cesar | | | 2190 | PER | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Fernandez, Fernando | | | 2259 | PER | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Pacheco, Marco | f | | 2259 | PER | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Aliaga Fernandez, Ingrid Y | | wf | 2076 | PER | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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) | | | | World Youth Chess Championships 2008 - Open 12 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1896 | 1.50 | 3 | 0.44 | 15 | 6.60 | |
| | Wagner, Dennis | | | 2000 | GER | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Olcum, Ahmet | | | 1896 | TUR | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Prince, Bajaj | | | 2137 | IND | 0.50 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | II Open IRT "Club Peruano de Ajedrez 2008" | Lima | | 2008-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1896 | 1.00 | 4 | -0.48 | 15 | -7.20 | |
| | Vera Siguenas, Deivy | | | 2213 | PER | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Aguilar, Manuel | | | 2084 | PER | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Moreno, Carlos | | | 1926 | PER | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Sanchez Zambrano, Vanessa | | | 1800 | PER | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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