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Individual Calculations January 2013 |
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| Sanchez, Jorge Total change: -1.35 | |   |
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| Centroamericano Por Equipos | Panama | PAN | 2012-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2152 | 2.50 | 5 | -0.03 | 15 | -0.45 | |
|  Ortiz, Marco | | | 2174 | NCA | 0.50 | 1 | 0.03 | 15 | 0.45 | |  Colindres, Daniel | f | | 2232 | HON | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Cu Hor, Winston | f | | 2222 | GUA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Carvajal, Jonathan | | | 2183 | CRC | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Sanchez, Jose | | | 1900 | ESA | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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) | | | | Panama Chess Open 2 | Panama | PAN | 2012-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2369 | 2152 | 1.50 | 6 | 0.09 | 15 | 1.35 | |
| | Hernandez Carmenate, Holden | g | | 2552 * | CUB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Vigoa Apecheche, Yanira | | wg | 2352 | CUB | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Arias, Lemmys A. | m | | 2346 | ESA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Gomez Segura, Adalberto | f | | 2316 | CUB | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Pacheco, Marco | f | | 2377 | PER | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Arribas Robaina, Maritza | | wg | 2273 | CUB | 0.00 | 1 | -0.34 | 15 | -5.10 | | | * 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) | | | | Copa Centroamericana y del Caribe 2012 Open | Caguas | PUR | 2012-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2144 | 2.50 | 6 | -0.15 | 15 | -2.25 | |
| | Zapata, Alonso | g | | 2466 | COL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Almedina Ortiz, Edgardo J | f | | 2277 | PUR | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Ayala Sanchez, Abnel | | | 1977 | PUR | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Massanet Cruz, John Anthony | | | 1744 * | PUR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Machin Rivera, Mark | f | | 2325 | PUR | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Flaquer, Luis | f | | 2294 | DOM | 0.00 | 1 | -0.30 | 15 | -4.50 | | | * 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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