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Individual Calculations January 2013 |
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| Mathews, Bryan Total change: 11.40 | |   |
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| Centroamericano Por Equipos | Panama | PAN | 2012-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2056 | 2.50 | 4 | 0.80 | 15 | 12.00 | |
|  Alfaro, William | f | | 2166 | NCA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Giron, David | | | 2048 | GUA | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Cabrera, Marco Antonio | | | 2141 | CRC | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Arias, Daniel | | | 2086 | ESA | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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) | | | | Panama Chess Open 2 | Panama | PAN | 2012-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2056 | 2.50 | 7 | -0.04 | 15 | -0.60 | |
| | Padilla, Alvaro | | | 1979 | PAN | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Vera Siguenas, Deivy | f | | 2396 | PER | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Ruiz Sanchez, Orlen | f | | 2408 | CUB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fleites Marti, Yuleikys | | wm | 2153 | CUB | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Estrada Nieto, Julian | m | | 2295 | MEX | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Flores C., Ruben Guillermo | | | 1791 | PAN | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Sosa, Nestor | c | | 2198 | PAN | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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