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Individual Calculations October 2008 |
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| Lugo, Blas Total change: -4.00 | |   |
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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 |
| 2202 | 2417 | 2.00 | 4 | -1.06 | 10 | -10.60 | |
|  Aravena Sloan, Peter J | | | 2240 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | |  Iwu, Okechukwu A | | | 2173 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Boor, Carl B | | | 2308 | USA | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Terrie, Henry L | | | 2086 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |
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) | | | | 2nd Summer Solstice Open | Boca Raton, Florida | USA | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2407 | 1.00 | 2 | -0.13 | 10 | -1.30 | |
| | Cooke, Eric N | | | 2199 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Gonzalez, Renier | m | | 2507 | USA | 0.00 | 1 | -0.36 | 10 | -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) | | | | 16th Annual Southern Open | Altamonte Springs, Florida | USA | 2008-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2407 | 3.00 | 3 | 0.79 | 10 | 7.90 | |
| | Daly, Troy | | | 2138 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Storch, Lawrence A | | | 2182 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Boekhoff, Andrew | f | | 2338 | USA | 1.00 | 1 | 0.40 | 10 | 4.00 | |
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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