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Individual Calculations July 2008 |
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| Airapetian, Chouchani Total change: 17.55 | |   |
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| 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 |
| 2335 | 2092 | 2.50 | 6 | 1.26 | 15 | 18.90 | |
|  Robson, Ray | f | | 2389 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Chua, Alexander | | | 2279 | USA | 1.00 | 1 | 0.74 | 15 | 11.10 | |  Betaneli, Alexander | | | 2242 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Bhat, Vinay | m | | 2442 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zilberstein, Dmitry | m | | 2411 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Dean, Jim | f | | 2248 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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 Womens Championship | Tulsa, Oklahoma | USA | 2008-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2092 | 2.00 | 9 | -0.62 | 15 | -9.30 | |
| | Jamison, Courtney | | | 1979 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Zatonskih, Anna | m | wg | 2442 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Rohonyan, Katerine | | wg | 2309 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Abrahamyan, Tatev | | wf | 2239 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Epstein, Esther | | wm | 2184 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Tuvshintugs, Chimi | | wm | 2278 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Krush, Irina | m | wg | 2442 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Battsetseg, Tsagaan | | wm | 2254 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Zenyuk, Iryna | c | wf | 2233 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | |
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 (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 2092 | 3.00 | 6 | 0.53 | 15 | 7.95 | |
| | Mabe, Chris | | | 2258 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Mensing, Fabio | | | 2128 | AHO | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Nienart, Christopher | | | 2196 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Wright, William | | | 2187 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Mattson, Dane | | | 2072 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Haskel, Jeffrey | | | 2105 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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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