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Individual Calculations September 2009 |
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| Aneses, Omar Total change: -21.50 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2090 | 1.50 | 6 | -0.75 | 25 | -18.75 | |
|  Jiang, Louie | | | 2266 | CAN | 0.00 | 1 | -0.27 | 25 | -6.75 | |  Chernin, Oliver | | | 2137 | USA | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Me, Kevin | | | 2116 | CAN | 1.00 | 1 | 0.54 | 25 | 13.50 | | | Lein, Anatoly Y | g | | 2328 | USA | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Pressman, Leif A | | | 2057 | USA | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Rueda, Libardo | | | 2208 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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) | | | | Torneo Abierto de Arecibo | Arecibo | PUR | 2009-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2090 | 0.50 | 1 | -0.11 | 25 | -2.75 | |
| | Perez Reisler, Jose | | | 2009 | PUR | 0.50 | 1 | -0.11 | 25 | -2.75 | |
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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