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Individual Calculations October 2008 |
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| Sorkin, Igor Total change: 14.10 | |   |
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| NY Marshall CC International | New York, NY | USA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2297 | 2346 | 4.00 | 7 | 0.09 | 15 | 1.35 | |
|  Margulis, Yevgeni | | | 2253 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |  Getz, Alec | | | 2142 | USA | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Panico, Iii Nick F | | | 2070 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Vovsha, Eli | m | | 2452 | ISR | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Bick, John D | f | | 2201 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Gonzalez, Renier | m | | 2507 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Lapshun, Yury | m | | 2455 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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 (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2346 | 5.50 | 8 | 0.85 | 15 | 12.75 | |
| | Tan, Oscar L | | | 2283 | PHI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Iwamoto, Takashi | f | | 2266 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Meera, Sai | | wm | 2227 | IND | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Zakariya, Bennis | f | | 2285 | MAR | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Bick, John D | f | | 2201 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Mandizha, Farai | f | | 2338 | ZIM | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Schneider, Igor | f | | 2338 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Gulamali, Kazim | f | | 2343 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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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