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Individual Calculations April 2009 |
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| Toro Soto, Anthony Total change: -59.25 | |   |
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| Costa Rican Junior Championship 2009 | Cartago | CRC | 2009-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 2097 | 0.50 | 5 | -2.57 | 25 | -64.25 | |
|  Montenegro, Esteban | | | 2013 | CRC | 0.50 | 1 | -0.12 | 25 | -3.00 | |  Angulo Cubero, Oscar | | | 1992 | CRC | 0.00 | 1 | -0.64 | 25 | -16.00 | | | Alfaro Guillen, Jose Raul | | | 1892 | CRC | 0.00 | 1 | -0.76 | 25 | -19.00 | | | Urbina Quiros, Edwin | | | 2080 | CRC | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Munoz, Jose Pablo | | | 2078 | CRC | 0.00 | 1 | -0.53 | 25 | -13.25 | |
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) | | | | Costa Rican National Championship Phase 1.1 | San Jose | CRC | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 2097 | 1.00 | 1 | 0.20 | 25 | 5.00 | |
| | Mendez, Oscar | | | 1856 | CRC | 1.00 | 1 | 0.20 | 25 | 5.00 | |
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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