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Individual Calculations January 2009 |
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| Zapata, Alonso Total change: 13.90 | |   |
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| Palmas del Mar Open 2008 | Humacao | PUR | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2501 | 4.50 | 5 | 0.23 | 10 | 2.30 | |
|  Vazquez Reyes, Raul | | | 2151 | PUR | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Rivera Hazim, Edwardo | | | 2151 | PUR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Montalvo Rosario, Alejandro | m | | 2223 | PUR | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Campiz Jimenez, Leonardo | | | 2151 | PUR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Velazco Forero Santiago, Santiago | f | | 2287 | PUR | 1.00 | 1 | 0.23 | 10 | 2.30 | |
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 Juegos Nacionales ABS 2008 | San Andres | COL | 2008-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2501 | 7.50 | 9 | 1.16 | 10 | 11.60 | |
| | Romero, Oriol | | | 2151 | COL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Betancur, David | | | 2224 | COL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Mendoza, Rafael | f | | 2327 | COL | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Gallego, Andres Felipe | | | 2365 | COL | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Barrientos, Sergio E | m | | 2450 | COL | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Uribe, Mauricio | m | | 2414 | COL | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Vittorino, Carlo | f | | 2342 | COL | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Escobar Forero, Alder | m | | 2482 | COL | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Ramirez, Carlos | f | | 2284 | COL | 1.00 | 1 | 0.22 | 10 | 2.20 | |
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) | | |
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