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Individual Calculations October 2008 |
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| Ehlvest, Jaan Total change: -22.00 | |   |
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| NY Marshall CC International | New York, NY | USA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2414 | 2603 | 6.00 | 9 | -0.63 | 10 | -6.30 | |
|  Battaglini, Gabriel | | | 2356 | FRA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Sarkar, Justin | m | | 2411 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | |  Liu, Elliott | f | | 2253 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Palermo, Carlos Garci | g | | 2465 | ITA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Burnett, Ronald | m | | 2373 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Kudrin, Sergey | g | | 2549 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Ramirez, Alejandro | g | | 2528 | CRC | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Vovsha, Eli | m | | 2452 | ISR | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Molner, Mackenzie | | | 2338 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | |
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) | | | | 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2509 | 2603 | 3.00 | 4 | 0.50 | 10 | 5.00 | |
| | Sarkar, Justin | m | | 2411 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Gonzalez, Renier | m | | 2507 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Friedel, Joshua E | m | | 2484 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Shabalov, Alexander | g | | 2633 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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) | | | | 2nd New Jersey Futurity | Branchburg, New Jersey | USA | 2008-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2421 | 2603 | 6.00 | 9 | -0.56 | 10 | -5.60 | |
| | Palatnik, Semion | g | | 2472 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Ippolito, Dean J | m | | 2445 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Almeida, Alfonso A | m | | 2419 | MEX | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Yudasin, Leonid G | g | | 2550 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Zlotnikov, Mikhail | m | | 2345 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Scekic, Milos | m | | 2371 | SRB | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Ju, Evan D | | | 2286 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Erenburg, Sergey | g | | 2563 | ISR | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Molner, Mackenzie | | | 2337 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | |
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) | | | | Continental Open | Sturbridge, MA | USA | 2008-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2603 | 3.00 | 3 | 0.34 | 10 | 3.40 | |
| | Solonkovich, Ilya | | | 2253 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Enkin, Max | | | 2262 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Corke, Anya S | | wg | 2255 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | The Miami Chess Open | Miami, Florida | USA | 2008-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2603 | 4.50 | 8 | -1.85 | 10 | -18.50 | |
| | Scharrer, Patrick | | | 2281 | ITA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Florean, Andrei C | m | | 2403 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Ippolito, Dean J | m | | 2445 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Esserman, Marc R | | | 2294 | USA | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Rosenberg, Evan S | | | 2253 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kiewra, Keaton | f | | 2336 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Stopa, Jacek | m | | 2440 | POL | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Pruess, David | m | | 2438 | USA | 0.00 | 1 | -0.72 | 10 | -7.20 | |
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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