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Individual Calculations October 2008 |
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| Cherniack, Alex Total change: -21.15 | |   |
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| 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2262 | 2.50 | 7 | -1.47 | 15 | -22.05 | |
|  Jayakumar, Adarsh | | | 1912 | IND | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Molner, Mackenzie | | | 2338 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | |  Bryant, Todd C | | | 2020 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Liu, Elliott J | f | | 2252 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Adamson, Robby | f | | 2349 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Renteria, Jorge | f | | 2266 | COL | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Ju, Evan D | | | 2265 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | Continental Open | Sturbridge, MA | USA | 2008-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2243 | 1.00 | 2 | 0.06 | 15 | 0.90 | |
| | Erenburg, Sergey | g | | 2563 | ISR | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Shvartsman, Andrew | | | 1997 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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) | | |
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