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Individual Calculations October 2008 |
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| Barnett, Alexander Total change: 17.40 | |   |
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| 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2335 | 2234 | 1.50 | 3 | 0.41 | 15 | 6.15 | |
|  Zlotnikov, Mikhail | m | | 2353 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | |  Zakariya, Bennis | f | | 2285 | MAR | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Bonin, Jay | m | | 2368 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2214 | 3.00 | 4 | 0.75 | 15 | 11.25 | |
| | Pinkerton, James C | | | 2102 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Kis, Lorand B | | | 2198 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Samuelson, Andrew | | | 2128 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Bouzoukis, Charles | | | 2244 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | |
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