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Individual Calculations May 2012 |
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| Arias Santana, Mauricio Total change: -18.60 | |   |
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| Nacional Abierto 2011 Jorge van der Laat Ulloa | San Jose | CRC | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2318 | 5.50 | 8 | -0.47 | 15 | -7.05 | |
|  Bonilla Sequeira, Pablo | | | 1918 * | CRC | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Vargas Serano, Pablo | | | 2039 | CRC | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Chinchilla, Eugenio | f | | 2225 | CRC | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Duran Vega, Sergio | | | 2221 | CRC | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Jimenez Garcia, Emanuel | | | 1955 | CRC | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Murillo Tsjili, Alexis | m | | 2305 | CRC | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Alvarez Hernandez, David | | | 2058 | CRC | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Bermudez , Sergio | f | | 2162 | CRC | 0.50 | 1 | -0.21 | 15 | -3.15 | | | * 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) | | | | 13th Annual Pittsburgh Open | Pittsburgh, Pennsylvania | USA | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2300 | 2335 | 1.50 | 3 | -0.16 | 15 | -2.40 | |
| | Bora, Safal | | | 2101 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Gelashvili, Tamaz | g | | 2619 | GEO | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Mo, Kevin | | | 2180 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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) | | | | 6th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2335 | 5.00 | 9 | -0.61 | 15 | -9.15 | |
| | Kong, Dezheng | | | 2031 | CAN | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Nahutin, Yevgeni | | | 2021 | CAN | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Shankland, Sam | g | | 2580 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gu, Christopher | | | 2196 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Managadze, Nikoloz | m | | 2475 | GEO | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Adu, Oladapo Oluto | m | | 2240 | NGR | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Markzon, Gregory | f | | 2227 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Krause, Benjamin W | | | 2209 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Shetty, Atulya A | | | 2148 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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) | | |
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