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Individual Calculations September 2009 |
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| Benjamin, Joel Total change: -9.10 | |   |
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| 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2450 | 2583 | 4.00 | 7 | -0.67 | 10 | -6.70 | |
|  Peng, David | | | 2245 | CAN | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Esserman, Marc R | | | 2391 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Lapshun, Yury | m | | 2448 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Arnold, Marc T | m | | 2408 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Kamsky, Gata | g | | 2720 | USA | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Robson, Ray | m | | 2465 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Stopa, Jacek | m | | 2471 | POL | 0.00 | 1 | -0.65 | 10 | -6.50 | |
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) | | | | 2009 NJ Futurity | Branchburg, New Jersey | USA | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2441 | 2575 | 6.50 | 10 | -0.24 | 10 | -2.40 | |
| | Kraai, Jesse | g | | 2498 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Kraai, Jesse | g | | 2498 | USA | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Scekic, Milos | m | | 2382 | SRB | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Scekic, Milos | m | | 2382 | SRB | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Yudasin, Leonid G | g | | 2554 | ISR | 0.00 | 1 | -0.53 | 10 | -5.30 | | | Yudasin, Leonid G | g | | 2554 | ISR | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Ippolito, Dean J | m | | 2455 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Ippolito, Dean J | m | | 2455 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Ju, Evan D | f | | 2316 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Ju, Evan D | f | | 2316 | 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) | | |
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