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Individual Calculations January 2011 |
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| Solis, Efren Total change: -33.15 | |   |
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| Copa MegaSuper 2010 | San Jose | CRC | 2010-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 2125 | 1.50 | 2 | 0.25 | 15 | 3.75 | |
|  Nunez Valverde, Jairo | | | 1943 | CRC | 0.50 | 1 | -0.24 | 15 | -3.60 | |  Granados, Carlos | | | 2118 | CRC | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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) | | | | Copa Deposito El Lagar | San Jose | CRC | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 2125 | 0.50 | 4 | -2.18 | 15 | -32.70 | |
| | Bermudez Munoz, Alexander | | | 2058 | CRC | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Esquivel, Jose Edmond | | | 1958 | CRC | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Duran Vega, Andres | | | 1993 | CRC | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Alfaro Guillen, Jose Raul | | | 1985 | CRC | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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) | | | | Memorial Mikhail Tal | San Jose | CRC | 2010-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 2125 | 1.50 | 3 | -0.28 | 15 | -4.20 | |
| | Montes Fonseca, Oscar | | | 1956 | CRC | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Hernandez Alvarez, Tania Regla | | wm | 2220 | CUB | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Alfaro Guillen, Jose Raul | | | 1985 | CRC | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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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