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Individual Calculations March 2010 |
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| Bachmann, Axel Total change: 7.50 | |   |
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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 |
| 2368 | 2553 | 4.00 | 5 | 0.40 | 10 | 4.00 | |
|  Selzler, Ricky | | | 2193 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Simutowe, Amon S. | g | | 2468 | ZAM | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Rosenberg, Evan S | | | 2208 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Margvelashvili, Giorgi | m | | 2509 | GEO | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Ludwig, Daniel J | m | | 2461 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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 South Houston Open | Houston, Texas | USA | 2010-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2553 | 4.00 | 5 | 0.02 | 10 | 0.20 | |
| | Gonzalez, Jose | | | 2153 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Almeida, Alfonso A | m | | 2378 | MEX | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Ray, Sarathi | | | 2153 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Yang, Darwin | f | | 2349 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Bartholomew, John | m | | 2445 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | * 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 Southwest Collegiate Championships | Dallas, Texas | USA | 2010-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2422 | 2553 | 3.00 | 4 | 0.33 | 10 | 3.30 | |
| | Hughes, Tyler | | | 2266 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Zivanic, Marko | m | | 2476 | SRB | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Stopa, Jacek | m | | 2494 | POL | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Simutowe, Amon | g | | 2453 | ZAM | 1.00 | 1 | 0.36 | 10 | 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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