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Individual Calculations July 2009 |
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| Perdomo Westerband, Istban Total change: 0.00 | |   |
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| VI Torneo Internacional Jose de Diego | Aguadilla | PUR | 2009-04-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2057 | 0 | 2.50 | 5 | 0.00 | 2057 | | 0.00 | |
|  Almedina Ortiz, Edgardo J. | | | 2087 | PUR | 0.50 | 1 | 0.00 | | 0.00 | |  Flaquer, Luis | | | 2261 | DOM | 0.00 | 1 | 0.00 | | 0.00 | | | Angeles, Alberto | | | 2006 | DOM | 1.00 | 1 | 0.00 | | 0.00 | | | Segarra Choe, Tammy | | | 1825 | PUR | 1.00 | 1 | 0.00 | | 0.00 | | | Vazquez Reyes, Raul | | | 2107 | PUR | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Puerto Rico National Championship Clasificatory 2009 | Bayamon | PUR | 2009-05-22 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2140 | 0 | 0.50 | 3 | 0.00 | 1867 | | 0.00 | |
| | Rodriguez Santiago, Jaime | | | 2117 | PUR | 0.50 | 1 | 0.00 | | 0.00 | | | Berrios Echevarria, Gabriel, Mf | f | | 2156 | PUR | 0.00 | 1 | 0.00 | | 0.00 | | | Ovalle, Ramon | | | 2147 | PUR | 0.00 | 1 | 0.00 | | 0.00 | |
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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