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Individual Calculations July 2009 |
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| Montalvo Rosario, Alejandro Total change: 27.30 | |   |
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| VI Torneo Internacional Jose de Diego | Aguadilla | PUR | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2251 | 4.00 | 5 | 0.51 | 15 | 7.65 | |
|  Angeles, Alberto | | | 2006 | DOM | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Montanez Nazario, Roberto | | | 2055 | PUR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Vazquez Reyes, Raul | | | 2107 | PUR | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Davila Vega, Juan R. | | | 2168 | PUR | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Machin Rivera, Mark | | | 2152 | PUR | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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 La Vega Open Internacional 2009 | La Vega | DOM | 2009-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2273 | 2251 | 4.00 | 7 | 0.64 | 15 | 9.60 | |
| | Edgardo, Almedina-Ortiz | | | 2087 | PUR | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Taveras, Tirso | | | 2142 | DOM | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Becerra Rivero, Julio | g | | 2601 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Michelen, Victor Isaac | | | 2098 | DOM | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Munoz, Lisandro | m | | 2328 | DOM | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Estrada Nieto, Julian | m | | 2344 | MEX | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Douriet, Alexis | | | 2311 | CUB | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | Caguas International | Caguas | PUR | 2009-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2277 | 2251 | 4.00 | 7 | 0.67 | 15 | 10.05 | |
| | Sosa Trani, Luis | f | | 2133 | PUR | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Stopa, Jacek | m | | 2471 | POL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Rabin, Evan Z | | | 2033 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Santana Alvarado, Miguel | | | 2168 | PUR | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Zapata Ramirez, Alonso | g | | 2514 | COL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Matamoros Franco, Carlos S | g | | 2535 | ECU | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Almedina Ortiz, Edgardo J | | | 2087 | PUR | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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