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Individual Calculations April 2009 |
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| Vedrickas, Tautvydas Total change: -8.10 | |   |
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| 2008 Pan American Intercollegiate Chess Tournament | Fort Worth, Texas | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2265 | 2268 | 2.00 | 3 | 0.45 | 15 | 6.75 | |
|  Marshall, Mario | | | 2026 | JAM | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Gareev, Timur | g | | 2581 | UZB | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Morales, Luciana | | wm | 2189 | PER | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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 | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2241 | 2.50 | 5 | -0.85 | 15 | -12.75 | |
| | Ramirez, Alejandro | g | | 2551 | CRC | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Bantic, Mihail | | | 2213 | SRB | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Chiang, Jonathan | | | 1891 | USA | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Lin, Dachey | | | 1891 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Zhu, Caroline | | | 1891 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | DFW FIDE Open | Richardson, Texas | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2241 | 3.00 | 4 | -0.14 | 15 | -2.10 | |
| | Chiang, Jonathan | | | 1891 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Chiang, Sarah | | wc | 1891 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Yang, Darwin | f | | 2214 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Pamatmat, Jarod M | | | 1982 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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