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Individual Calculations November 2010 |
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| Duran Vega, Sergio Total change: -4.05 | |   |
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| National Chess Championship 2010 | San Jose | CRC | 2010-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2157 | 6.50 | 13 | 0.28 | 15 | 4.20 | |
|  Alfaro Rojas, Alfonso | | | 2188 | CRC | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Bermudez, Sergio | f | | 2183 | CRC | 0.50 | 1 | 0.04 | 15 | 0.60 | |  Duran Vega, Andres | | | 1993 | CRC | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Gonzalez, Bernal | m | | 2423 | CRC | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Alvarez Hernandez, David | | | 1954 | CRC | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Arias Santana, Mauricio | m | | 2345 | CRC | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Murillo, Alexis | m | | 2285 | CRC | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Maynard, Francis | | | 2202 | CRC | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Hernandez Alvarez, Tania Regla | | wm | 2215 | CUB | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Zhang, Juan | | | 1811 | CRC | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Valdes, Leonardo | m | | 2428 | CRC | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Carvajal Gorgona, Jonathan | | | 2186 | CRC | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Munoz, Carolina | | wm | 2033 | CRC | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | TORNEO SUBZONAL ABSOLUTO 2.3 HONDURAS 2010 | TEGUCIGALPA, HONDURAS | HON | 2010-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2157 | 2.50 | 6 | -0.47 | 15 | -7.05 | |
| | Leyva, Hector | m | | 2397 | ESA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Quinones Centeno, Carlos David | | | 2253 | GUA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Colindres, Daniel | f | | 2230 | HON | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Fajardo, David Ponce | | | 1757 * | HON | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Murillo, Alexis | m | | 2285 | CRC | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Angulo Cubero, Oscar | | | 1967 | CRC | 0.50 | 1 | -0.25 | 15 | -3.75 | | | * 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) | | | | 39th Olympiad Khanty-Mansiysk 2010 Open tournament | Khanty-Mansiysk | RUS | 2010-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2157 | 1.00 | 3 | -0.08 | 15 | -1.20 | |
| | Berbatov, Kiprian | m | | 2461 | BUL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Ribbegren, Karl Johan | | | 2153 | MNC | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Angulo, P Carlos | | | 2210 | BOL | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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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