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Individual Calculations January 2012 |
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| Kostov, Alex Total change: 20.70 | |   |
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| I Torneo Abierto Internacional de Ajedrez IRT LA PERLA DEL SINU | Monteria | COL | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2059 | 2.50 | 5 | 1.38 | 15 | 20.70 | |
|  Lopez, Carlos Manuel | f | | 2314 | COL | 1.00 | 1 | 0.81 | 15 | 12.15 | |  Rios, Alejandro | m | | 2355 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Ruge, Edison | | | 2264 | COL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Martinez, Jorge Alexander | | | 2200 | COL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | De Arco, Luis Carlos | | | 2272 | COL | 0.50 | 1 | 0.27 | 15 | 4.05 | |
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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