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Individual Calculations October 2008 |
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| Yudasin, Leonid G Total change: -2.00 | |   |
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| 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2492 | 2550 | 2.50 | 4 | 0.19 | 10 | 1.90 | |
|  Bartholomew, John | m | | 2440 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | |  Najer, Evgeny | g | | 2627 | RUS | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Sharavdorj, Dashze | g | | 2440 | MGL | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Rohde, Michael A | g | | 2460 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | |
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) | | | | 2nd New Jersey Futurity | Branchburg, New Jersey | USA | 2008-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2427 | 2550 | 6.50 | 9 | 0.58 | 10 | 5.80 | |
| | Ju, Evan D | | | 2286 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Almeida, Alfonso A | m | | 2419 | MEX | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Erenburg, Sergey | g | | 2563 | ISR | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Ehlvest, Jaan | g | | 2603 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Molner, Mackenzie | | | 2337 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Zlotnikov, Mikhail | m | | 2345 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Palatnik, Semion | g | | 2472 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Scekic, Milos | m | | 2371 | SRB | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Ippolito, Dean J | m | | 2445 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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) | | | | NY August Open | New York, NY | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2343 | 2550 | 0.50 | 2 | -0.98 | 10 | -9.80 | |
| | Thaler, Michael | | | 2200 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Hess, Robert L | m | | 2485 | USA | 0.00 | 1 | -0.59 | 10 | -5.90 | |
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) | | | | New York September Open | New York, New York | USA | 2008-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2356 | 2550 | 1.50 | 2 | 0.01 | 10 | 0.10 | |
| | Margulis, Yevgeni | | | 2271 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Lenderman, Alex | m | | 2440 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | |
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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