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Individual Calculations July 2012 |
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| Akobian, Varuzhan Total change: -7.90 | |   |
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| 2012 US Championship | St Louis, Missouri | USA | 2012-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2634 | 2625 | 6.00 | 11 | 0.64 | 10 | 6.40 | |
|  Seirawan, Yasser | g | | 2643 | USA | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Shulman, Yury | g | | 2571 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | |  Stripunsky, Alexander | g | | 2562 | USA | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Lenderman, Aleksandr | g | | 2587 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Kamsky, Gata | g | | 2741 | USA | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Nakamura, Hikaru | g | | 2775 | USA | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Hess, Robert L | g | | 2635 | USA | 1.00 | 1 | 0.51 | 10 | 5.10 | | | Ramirez, Alejandro | g | | 2593 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Robson, Ray | g | | 2615 | USA | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Onischuk, Alexander | g | | 2660 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Kaidanov, Gregory | g | | 2594 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | |
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) | | | | 21st Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2012-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2432 | 2625 | 5.00 | 8 | -0.90 | 10 | -9.00 | |
| | Stoumbos, Konstantinos | | | 2249 | GRE | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Panjwani, Raja | m | | 2416 | CAN | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Shulman, Yury | g | | 2571 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Perunovic, Milos | g | | 2577 | SRB | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Mandizha, Farai | f | | 2410 | ZIM | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Kekelidze, Mikheil | g | | 2494 | GEO | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Arjun, Vishnuvardh | m | | 2296 | IND | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Bartholomew, John | m | | 2445 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | |
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) | | | | 2012 National Open - Open Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2625 | 4.50 | 6 | -0.53 | 10 | -5.30 | |
| | Chakraborty, Dipro | | | 2225 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Harmon-Vellotti, Luke | | | 2257 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Bryant, John Daniel | f | | 2363 | USA | 0.00 | 1 | -0.82 | 10 | -8.20 | | | Taylor, Timothy W | m | | 2294 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Foisor, Sabina-Fracesca | | wg | 2364 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Zierk, Steven C | m | | 2483 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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