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Individual Calculations January 2013 |
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| Aizpurua, Patrick Total change: 3.75 | |   |
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| Centroamericano Por Equipos | Panama | PAN | 2012-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2118 | 2.50 | 5 | 0.19 | 15 | 2.85 | |
|  Espinoza Mesa, Juan J | | | 2220 | NCA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Guillen, Jose | f | | 2208 | HON | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Juarez, Gustavo | f | | 2162 | GUA | 0.00 | 1 | -0.44 | 15 | -6.60 | |  Maynard, Francis | | | 2153 | CRC | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Pacheco, Julio | | | 1982 | ESA | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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 |
| 2249 | 2118 | 2.50 | 7 | 0.06 | 15 | 0.90 | |
| | Hansen, Eric | m | | 2518 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Quiroz, Michael | | | 1938 | PAN | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Baules, Jorge | m | | 2303 | PAN | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Pacheco, Marco | f | | 2377 | PER | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Battihk, Jose Miguel | | | 1945 | PAN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Gomez Segura, Adalberto | f | | 2316 | CUB | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Arias, Lemmys A. | m | | 2346 | ESA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | * 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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