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Individual Calculations January 2011 |
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| Montalvo Rosario, Alejandro Total change: -2.25 | |   |
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| Arecibo Open 2010 | Arecibo | PUR | 2010-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2250 | 2.50 | 4 | -0.09 | 15 | -1.35 | |
|  Sanchez Rodriguez, Wilmairi | | | 1850 * | PUR | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Vazquez Maccarini, Danitza | | wc | 1850 * | PUR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Vazquez Reyes, Raul | | | 2217 | PUR | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Zapata, Alonso | g | | 2488 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | * 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) | | | | Bayamon Open 2010 | Bayamon | PUR | 2010-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2241 | 0.50 | 1 | -0.06 | 15 | -0.90 | |
| | Santana Otero, Orlando | | | 2195 | PUR | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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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