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Individual Calculations July 2009 |
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| Krush, Irina Total change: 6.40 | |   |
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| 2009 US Championship | St. Louis, Missouri | USA | 2009-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2582 | 2452 | 3.00 | 8 | 0.41 | 10 | 4.10 | |
|  Kaidanov, Gregory | g | | 2595 | USA | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Benjamin, Joel | g | | 2583 | USA | 0.00 | 1 | -0.32 | 10 | -3.20 | |  Gulko, Boris | g | | 2561 | USA | 1.00 | 1 | 0.65 | 10 | 6.50 | | | Khachiyan, Melikse | g | | 2546 | USA | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Christiansen, Larry | g | | 2588 | USA | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Becerra, Julio J | g | | 2609 | USA | 1.00 | 1 | 0.71 | 10 | 7.10 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Shabalov, Alexander | g | | 2569 | USA | 0.00 | 1 | -0.34 | 10 | -3.40 | |
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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2402 | 2452 | 3.00 | 5 | 0.23 | 10 | 2.30 | |
| | Faulks, Nick W | c | | 2102 | BER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kacheishvili, Giorgi | g | | 2613 | GEO | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Sargissian, Gabriel | g | | 2660 | ARM | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Melekhina, Alisa | | wm | 2287 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Morshedi, Ali | f | | 2347 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | |
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) | | |
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