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Individual Calculations September 2009 |
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| Santana Alvarado, Miguel Total change: 9.30 | |   |
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| Puerto Rico National Championship 2009 | Caguas | PUR | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2159 | 5.00 | 9 | 0.28 | 15 | 4.20 | |
|  Guzman Ortiz, Carlos M. | | | 2084 | PUR | 1.00 | 1 | 0.40 | 15 | 6.00 | |  Davila Vega, Juan R. | | | 2176 | PUR | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Vazquez Reyes, Raul | | | 2147 | PUR | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Montanez Nazario, Roberto | | | 2081 | PUR | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Berrios Echevarria, Gabriel | f | | 2161 | PUR | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Bermudez Adams, William | c | | 2149 | PUR | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Rodriguez Santiago, Jaime | | | 2105 | PUR | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Santa Torres, Juan M. | m | | 2229 | PUR | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Ovalle Burgos, Ramon | | | 2148 | PUR | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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) | | | | Torneo Abierto de Arecibo | Arecibo | PUR | 2009-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2159 | 1.50 | 2 | 0.34 | 15 | 5.10 | |
| | Segarra Choe, Tammy | | | 1897 | PUR | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Montalvo Rosario, Alejandro | m | | 2278 | PUR | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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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