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Individual Calculations October 2008 |
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| Stopa, John R Total change: -7.20 | |   |
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| Cleveland Open | Cleveland, Ohio | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2274 | 2.00 | 2 | 0.35 | 15 | 5.25 | |
|  Seitzer, Phillip | | | 1924 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Gregorz, Ralph | | | 2070 | CAN | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 64th Annual Ohio Chess Congress | Columbus, Ohio | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2274 | 0.00 | 2 | -0.83 | 15 | -12.45 | |
| | Blocker, Calvin | m | | 2372 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Boor, Carl Brandon | | | 2306 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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