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Individual Calculations November 2011 |
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| Machin Rivera, Mark Total change: 3.75 | |   |
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| North Open Bolivar Morales 2011 | Hatillo | PUR | 2011-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2255 | 2.00 | 3 | -0.03 | 15 | -0.45 | |
|  Segarra Choe, Tammy | | wf | 1997 | PUR | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Guzman Ortiz, Carlos M | | | 2090 | PUR | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Vazquez Reyes, Raul | c | | 2261 | PUR | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | East Open 2011 | Caguas | PUR | 2011-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2255 | 4.00 | 5 | 0.72 | 15 | 10.80 | |
| | Diaz Montes, Edwin | | | 1950 | PUR | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Segarra Choe, Tammy | | wf | 1997 | PUR | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Almedina Ortiz, Edgardo J | f | | 2235 | PUR | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Montalvo Rosario, Alejandro | m | | 2260 | PUR | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Santana, Orlando | | | 2194 | PUR | 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) | | | | In Memoriam William Miranda Marin | Caguas | PUR | 2011-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2255 | 1.50 | 3 | -0.44 | 15 | -6.60 | |
| | Almedina Ortiz, Edgardo J | f | | 2235 | PUR | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Rodriguez Labrador, Marco | | | 1855 * | PUR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Vazquez Reyes, Raul | c | | 2261 | PUR | 0.50 | 1 | 0.01 | 15 | 0.15 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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