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Individual Calculations October 2012 |
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| Alfaro, William Total change: 3.15 | |   |
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| Memorial Rosa Castro 2012 | Moravia | CRC | 2012-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2129 | 4.50 | 6 | 0.55 | 15 | 8.25 | |
|  Jimenez Sancho, Pedro Pablo | | | 1844 | CRC | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Vega Araya, Edwin | | | 2011 | CRC | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Duran Vega, Sergio | f | | 2297 | CRC | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Vindas Moran, Camilo | | | 1948 | CRC | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Vaglio, Emanuel | | | 2014 | CRC | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Montoya, Cristian | | | 1918 | CRC | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 40th World Chess Olympiad-Open | Istanbul | TUR | 2012-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2129 | 2.50 | 7 | -0.34 | 15 | -5.10 | |
| | Chavez, Hector Eduardo | | | 2153 | ESA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Dvirnyy, Daniyyl | m | | 2520 | ITA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Ahmed, Ashraf | | | 1784 | MDV | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Vajda, Levente | g | | 2529 * | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Morrison, Graham | f | | 2360 | SCO | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Schartz, Alain | | | 2158 | LUX | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Psaila, Clarence | | | 2026 | MLT | 1.00 | 1 | 0.36 | 15 | 5.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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