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Individual Calculations July 2008 |
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| Yermolinsky, Alex Total change: 12.10 | |   |
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| 8th Far West Open | Reno, Nevada | USA | 2008-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2522 | 3.00 | 5 | -0.82 | 10 | -8.20 | |
|  Aigner, Michael | | | 2242 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Shankland, Sam | | | 2279 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Sevillano, Enrico | m | | 2526 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Raptis, Nicholas | f | | 2259 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Naroditsky, Daniel | f | | 2205 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | |
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) | | | | 2008 Frank K Berry U.S. Championship - Qualifier Fide Open | Tulsa, Oklahoma | USA | 2008-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2408 | 2522 | 5.50 | 7 | 1.04 | 10 | 10.40 | |
| | Hanken, Jerome | | | 2172 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Movsisyan, Movses | f | | 2247 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Robson, Ray | f | | 2389 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Ivanov, Alexander | g | | 2554 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Goldin, Alexander | g | | 2566 | USA | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Kraai, Jesse | g | | 2510 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Ippolito, Dean | m | | 2417 | 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) | | | | 2008 Frank K Berry US Championship | Tulsa, Oklahoma | USA | 2008-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2558 | 2518 | 4.00 | 9 | 0.01 | 10 | 0.10 | |
| | Shabalov, Alexander | g | | 2633 | USA | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Gulko, Boris | g | | 2559 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Becerra, Julio | g | | 2575 | USA | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Ivanov, Alexander | g | | 2560 | USA | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Akobian, Varuzhan | g | | 2601 | USA | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Kaidanov, Gregory | g | | 2596 | USA | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Perelshteyn, Eugene | g | | 2552 | USA | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Finegold, Benjamin | m | | 2539 | USA | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Vigorito, David | m | | 2405 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | |
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) | | | | 17th Annual Chicago Open | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2481 | 2518 | 5.00 | 7 | 1.16 | 10 | 11.60 | |
| | Pereira, Silvio | | | 2291 | BRA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Tate, Emory | m | | 2378 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Becerra, Julio | g | | 2575 | USA | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Shulman, Yury | g | | 2606 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Mitkov, Nikola | g | | 2528 | MKD | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Zapata, Alonso | g | | 2478 | COL | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Gurevich, Dmitry | g | | 2513 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | |
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) | | | | 2008 National Open | Las Vegas, Nevada | USA | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2352 | 2518 | 4.00 | 6 | -0.18 | 10 | -1.80 | |
| | Guerro, Alejandra | | wm | 2168 | MEX | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Formanek, Edward | m | | 2264 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Naroditsky, Daniel | f | | 2242 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Robson, Ray | f | | 2433 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Adamson, Robby | f | | 2349 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Fressinet, Laurent | g | | 2656 | FRA | 0.00 | 1 | -0.31 | 10 | -3.10 | |
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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