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Individual Calculations September 2009 |
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| Weser, Adam Total change: 5.40 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2098 | 4.50 | 9 | 0.86 | 15 | 12.90 | |
|  Onyekwere, Chikwere G | | | 2232 | NGR | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Aaron, Deepak | | | 2077 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Barnett, Alexander | | | 2239 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Erdei, Andras A | | | 2159 | HUN | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Fink Jr, Stanley W | | | 2148 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Terrie, Henry L | | | 2089 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Ruiz Gonzalez, Gui | f | | 2130 | MEX | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Zimmer, Ralph P | f | | 2261 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Wright, William B | | | 2186 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | 14th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 2098 | 2.00 | 4 | -0.50 | 15 | -7.50 | |
| | Sells, Philip G | | | 1837 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Schwartz, Maxwell | | | 2116 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Romero, Steve | | | 2024 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Meredith, Matthew D | | | 2020 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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