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Individual Calculations January 2013 |
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| Sierra, Edwin Andres Total change: 4.65 | |   |
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| IRT Campeonato Bolivariano de Ajedrez 2012 | Bogota | COL | 2012-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2142 | 5.00 | 9 | 1.05 | 15 | 15.75 | |
|  Gallego Alcaraz, Andres Felipe | m | | 2408 | COL | 1.00 | 1 | 0.82 | 15 | 12.30 | |  Alarcon Casellas, Rolando | m | | 2483 | CUB | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Fernandez Reyes, Lisandro | f | | 2365 | CUB | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Piraquive, Alberto | | | 1972 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Corredor Castellanos, Camilo Jose | | | 1857 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Barrientos, Sergio E | g | | 2459 | COL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Echeverry, Maria Yesenia | | | 1886 | COL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Lopez, Jorge Hernan | | | 2034 | COL | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Ramirez, Carlos | f | | 2310 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 2142 | 5.00 | 9 | -0.74 | 15 | -11.10 | |
| | Bejarano, Dany Andres | | | 2005 | COL | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Moreno Lozano, David | | | 1913 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Palacio, Pablo Persi | | | 1948 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Chong Chinchay, Eric Joel | | | 1977 | PER | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Mosquera, Miguel | m | | 2388 | COL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gomez Perdomo, Jonathan | | | 1843 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Ospina Ortiz, Oscar Alexander | | | 1950 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Ruiz C, Joshua D | m | | 2319 | COL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Rodriguez Fernandez, Nelson G | | | 1962 | COL | 0.00 | 1 | -0.74 | 15 | -11.10 | |
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) | | |
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