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Individual Calculations January 2009 |
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| Pena, Alfredo Total change: -4.65 | |   |
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| 2008 Pan American - Continental Championships | Boca Raton, Florida | USA | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2309 | 3.50 | 8 | -0.41 | 15 | -6.15 | |
|  Robson, Ray S | m | | 2466 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Heung, Christopher | | | 1959 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Sarkar, Justin | m | | 2451 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Cooke, Eric N | | | 2191 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Garcia, Gildardo J | g | | 2410 | COL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Shabalov, Alexander | g | | 2585 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Palao, Maricela | | wm | 2083 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Rensch, Daniel M | f | | 2354 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | IRT Sub-Zonal ABS 2.3.4 | San Andres | COL | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2309 | 5.00 | 8 | 0.10 | 15 | 1.50 | |
| | Becerra, Juan David | | | 2142 | COL | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Saladen Dulce, Rafael | f | | 2187 | COL | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Rojas Barrero, Andres H | | | 2253 | COL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Manotas, Franklin | | | 2029 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Prieto, Ernesto | | | 2181 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Zuluaga, Cesar | f | | 2320 | COL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Ossa, Orlando | | | 2314 | COL | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Vittorino, Carlo | f | | 2342 | COL | 1.00 | 1 | 0.55 | 15 | 8.25 | |
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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