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Individual Calculations September 2011 |
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| Barnett, Alex Total change: -11.10 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2269 | 1.50 | 4 | -1.00 | 15 | -15.00 | |
|  Ng, Andrew | | | 2138 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Dahl, Matthew D | | | 2133 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Belliard, Luis | | | 2222 | DOM | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Vazquez, Raul | c | | 2217 | PUR | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2254 | 5.50 | 8 | 1.51 | 15 | 22.65 | |
| | Thompson, Buddy | | | 1877 | USA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Gater, Daniel B | | | 2136 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Lenderman, Aleksandr | g | | 2525 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Shabalov, Alexander | g | | 2577 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Greanias, Steven D | | | 2146 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Juac, Majur | | | 2185 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Kacheishvili, Giorgi | g | | 2582 | GEO | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Hansen, Martin | | | 2072 | DEN | 1.00 | 1 | 0.26 | 15 | 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) | | | | 1st Metropolitan Chess FIDE International | Los Angeles, CA | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2254 | 3.00 | 9 | -1.25 | 15 | -18.75 | |
| | Akobian, Varuzhan | g | | 2613 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Sevian, Samuel | | | 2172 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Hamzah, Amier | c | | 1854 * | MAS | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Clawitter, Craig | | | 2118 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Peters, Jack | m | | 2377 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Bojkov, Dejan | g | | 2544 | BUL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Ravichandran, Siddharth | m | | 2387 | IND | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Liou, Yian | | | 2299 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Heiserman, Jimmy P | | | 2111 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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