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Individual Calculations September 2011 |
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| Harmon-Vellotti, Luke Total change: 19.50 | |   |
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| 39th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2184 | 3.00 | 8 | -0.05 | 15 | -0.75 | |
|  Amanov, Mesgen | g | | 2509 | TKM | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Gorman, Dov | f | | 2323 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Rasch, Holger | f | | 2287 | GER | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Ulrich, Thomas M | | | 2098 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Thavandiran, Shiyam | f | | 2335 | CAN | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Beckman, Thomas J | | | 1983 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Sapozhnikov, Roman | f | | 2318 | CAN | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Sharevich, Anna | | wg | 2378 | BLR | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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 |
| 2246 | 2184 | 4.00 | 6 | 1.35 | 15 | 20.25 | |
| | Antler, Arthur S | | | 1968 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Mu, Joshua | | | 2145 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Berrios, Gabriel | f | | 2229 | PUR | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Naroditsky, Daniel | m | | 2451 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Santalla, Andres | | | 2099 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Van Wely, Loek | g | | 2584 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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