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Individual Calculations January 2009 |
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| Kaufman, Lawrence Total change: 18.20 | |   |
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| 18.Seniors World Championship Open | Bad Zwischenahn | GER | 2008-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2391 | 9.00 | 11 | 2.50 | 10 | 25.00 | |
|  Titz, Herbert | | | 2044 | AUT | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Leiber, Bernard | | | 2166 | GER | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Sorensen, Bent | | | 2172 | DEN | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Gruzmann, Boris | f | | 2254 | RUS | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Agzamov, Vaycheslav | | | 2255 | UZB | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Clemens, Christian Dr. | f | | 2283 | GER | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Butnorius, Algimantas | g | | 2438 | LTU | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Klovans, Janis | g | | 2410 | LAT | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Suba, Mihai | g | | 2531 | ROU | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Cebalo, Miso | g | | 2493 | CRO | 1.00 | 1 | 0.64 | 10 | 6.40 | | | Zakharov, Alexander | m | | 2413 | RUS | 0.50 | 1 | 0.03 | 10 | 0.30 | |
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) | | | | 13th Annual Northern Virginia Open | Sterling, Virginia | USA | 2008-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2391 | 1.00 | 2 | -0.68 | 10 | -6.80 | |
| | Rogalski, Timothy | | | 2042 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Larkins, Larry R | | | 2162 | USA | 0.00 | 1 | -0.79 | 10 | -7.90 | |
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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