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Individual Calculations March 2010 |
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| Bryant, John D. Total change: -4.95 | |   |
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| 2009 Pan American Intercollegiate Team Chess Championship | South Padre Island, Texas | USA | 2009-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2364 | 3.50 | 5 | -0.09 | 15 | -1.35 | |
|  Ballom, Stephanie | | | 1964 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Cornejo, Max | f | | 2397 | PER | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Watters, Chase M. | | | 2183 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Aradhyula, Vaishnav | | | 2172 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Finn, Sean N | | | 2189 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | * 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) | | | | 2010 Century West Open | Los Angeles, California | USA | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2366 | 1.50 | 3 | -0.18 | 15 | -2.70 | |
| | Porter, Ryan W | f | | 2274 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Matikozyan, Andranik | m | | 2480 | ARM | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Hermansen, Ron | | | 2209 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | JG's Old-Fashioned Hamburgers Texas Masters | Richardson, Texas | USA | 2010-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2265 | 2366 | 3.00 | 5 | -0.06 | 15 | -0.90 | |
| | He, Tommy | c | | 1966 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Langer, Michael | f | | 2291 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Ramirez, Alejandro | g | | 2550 | CRC | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Nonchev, Kalin | | | 2161 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Holt, Conrad | f | | 2355 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | * 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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