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Individual Calculations July 2009 |
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| Perelshteyn, Eugene Total change: -8.80 | |   |
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| 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2390 | 2543 | 5.50 | 8 | -0.02 | 10 | -0.20 | |
|  Vertkin, Sergey | | | 2219 | RUS | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Melekhina, Alisa | | wm | 2287 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Schneider, Igor | f | | 2397 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Bonin, Jay | m | | 2369 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Uesugi, Shinsaku | | | 2288 | JPN | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Charbonneau, Pascal | g | | 2505 | CAN | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Becerra, Julio J | g | | 2609 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Ippolito, Dean J | m | | 2443 | 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) | | | | 18th Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2566 | 2543 | 1.00 | 4 | -0.86 | 10 | -8.60 | |
| | Sargissian, Gabriel | g | | 2660 | ARM | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Shabalov, Alexander | g | | 2569 | USA | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Sharavdorj, Dashze | g | | 2422 | MGL | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Akobian, Varuzhan | g | | 2613 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | |
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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