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Individual Calculations September 2011 |
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| Yedidia, Jonathan Total change: 0.80 | |   |
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| 16th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2384 | 3.50 | 5 | -0.15 | 10 | -1.50 | |
|  Friedman, Josef I | f | | 2182 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | |  Chandran, Kapil | | | 2048 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Shi, Jason | | | 1984 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gelashvili, Tamaz | g | | 2616 | GEO | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Colas, Joshua | | | 2041 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | * 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) | | | | 41st Annual Continental Open | Sturbridge, Massachusetts | USA | 2011-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2384 | 4.00 | 6 | 0.23 | 10 | 2.30 | |
| | Zhang, Vincent | | | 2038 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kacheishvili, Giorgi | g | | 2582 | GEO | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Taylor, Steven A | | | 2194 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Castaneda, Andres | | | 2151 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Kekelidze, Mikheil | g | | 2452 | GEO | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Markzon, Gregory | f | | 2241 | USA | 1.00 | 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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