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Individual Calculations October 2008 |
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| Izoria, Zviad Total change: -18.80 | |   |
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| 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2485 | 2625 | 1.00 | 3 | -1.06 | 10 | -10.60 | |
|  Gonzalez, Renier | m | | 2507 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | |  Friedel, Joshua E | m | | 2484 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Prasad, Arun | m | | 2465 | IND | 0.00 | 1 | -0.71 | 10 | -7.10 | |
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) | | | | Continental Open | Sturbridge, MA | USA | 2008-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2397 | 2629 | 1.50 | 3 | -0.82 | 10 | -8.20 | |
| | Stripunsky, Alexander | g | | 2553 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Kelleher, William | f | | 2360 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Riordan, Charles | | | 2279 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |
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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