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Individual Calculations July 2009 |
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| Izoria, Zviad Total change: -15.50 | |   |
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| The Copper State International | Mesa, Arizona | USA | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2424 | 2619 | 5.50 | 10 | -1.92 | 10 | -19.20 | |
|  Ginsburg, Mark | m | | 2380 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | |  Atoufi, Pedram | f | | 2306 | IRI | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Yermolinsky, Alex | g | | 2522 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Lenderman, Alex | m | | 2434 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Hansen, Eric | f | | 2398 | CAN | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Boor, Carl B | f | | 2291 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Ippolito, Dean J | m | | 2443 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Fernandez, Daniel | m | | 2369 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Gareev, Timur | g | | 2590 | UZB | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Barcenilla Jr, Rogelio | m | | 2503 | PHI | 0.00 | 1 | -0.66 | 10 | -6.60 | |
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 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2461 | 2619 | 4.50 | 6 | 0.37 | 10 | 3.70 | |
| | Pinto, Mark A | | | 2269 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Melekhina, Alisa | | wm | 2287 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Antal, Gergely | m | | 2490 | HUN | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Petrosian, Tigran | g | | 2600 | ARM | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Ivanov, Alexander | g | | 2516 | 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) | | |
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