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Individual Calculations January 2013 |
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| Rivera, Alberto Total change: 14.80 | |   |
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| IRT Campeonato Bolivariano de Ajedrez 2012 | Bogota | COL | 2012-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2327 | 5.00 | 8 | 0.17 | 10 | 1.70 | |
|  Vittorino, Carlo Giovanni | f | | 2306 | COL | 0.00 | 1 | -0.53 | 10 | -5.30 | |  Perez, Laura | | wf | 2027 | COL | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Univio Sanchez, German | | | 2053 | COL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Echeverry, Maria Yesenia | | | 1927 * | COL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Alarcon Casellas, Rolando | m | | 2483 | CUB | 1.00 | 1 | 0.71 | 10 | 7.10 | | | Barrientos, Sergio E | g | | 2459 | COL | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Rodriguez Rueda, Paula Andrea | | wm | 2178 | COL | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Gallego Alcaraz, Andres Felipe | m | | 2408 | COL | 0.00 | 1 | -0.39 | 10 | -3.90 | | | * 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) | | | | III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 2327 | 7.00 | 9 | 1.05 | 10 | 10.50 | |
| | Pardo, Alejandro | | | 2214 | COL | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Univio Sanchez, German | | | 2053 | COL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Lopez, Jorge | | | 2034 | COL | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Almeida Quintana, Omar | g | | 2522 | CUB | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Hernandez, Cristian Andres | | | 2120 | COL | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Moyano, Carlos Andres | | | 2084 | COL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Hernandez, Gonzalo | | | 2131 | COL | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Alvarez, Pedraza Aramis | g | | 2513 | CUB | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Leon Magallanes, Isaac | | | 2096 | ECU | 1.00 | 1 | 0.21 | 10 | 2.10 | |
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) | | | | ITT Cerrado Norma GM L.A.B | Bogota | COL | 2012-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2428 | 2327 | 4.00 | 10 | 0.26 | 10 | 2.60 | |
| | Rojas Barrero, Andres Humberto | | | 2217 | COL | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Alvarez Pedraza, Aramis | g | | 2513 | CUB | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Almeida Quintana, Omar | g | | 2522 | CUB | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Ruiz C, Joshua D | m | | 2319 | COL | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Cordova, Emilio | g | | 2568 | PER | 0.50 | 1 | 0.30 | 10 | 3.00 | | | Rojas Barrero, Andres Humberto | | | 2217 | COL | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Alvarez Pedraza, Aramis | g | | 2513 | CUB | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Almeida Quintana, Omar | g | | 2522 | CUB | 1.00 | 1 | 0.75 | 10 | 7.50 | | | Ruiz C, Joshua D | m | | 2319 | COL | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Cordova, Emilio | g | | 2568 | PER | 0.50 | 1 | 0.30 | 10 | 3.00 | |
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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