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Individual Calculations September 2011 |
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| Hua, David A Total change: 65.25 | |   |
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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 |
| 2153 | 2040 | 4.00 | 7 | 1.46 | 15 | 21.90 | |
|  Goletiani, Rusudan | m | wg | 2371 | USA | 1.00 | 1 | 0.88 | 15 | 13.20 | |  Jones, Craig W | | | 2244 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Carreto, Giovanni | c | | 2243 | MEX | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Moorthy, Srinivas | | | 1890 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Matlin, Anna R | | | 1961 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Ng, Andrew | | | 2138 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Belliard, Luis | | | 2222 | DOM | 1.00 | 1 | 0.74 | 15 | 11.10 | |
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) | | | | 17th Annual Northeast Open | Stamford, Connecticut | USA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2042 | 4.00 | 5 | 2.31 | 15 | 34.65 | |
| | Shi, Jason | | | 1918 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Kudrin, Sergey | g | | 2442 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Zlotnikov, Mikhail | m | | 2305 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Ellenbogen, Michael | | | 2136 | USA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Kelleher, Jeff | | | 2125 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | * 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) | | | | 41st Annual Continental Open | Sturbridge, Massachusetts | USA | 2011-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2042 | 2.00 | 5 | 0.58 | 15 | 8.70 | |
| | Moorthy, Srinivas | | | 1947 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Kudrin, Sergey | g | | 2442 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Rizzitano, James A | m | | 2318 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Krush, Irina | m | wg | 2442 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Smail, Benedict A | | | 2070 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | * 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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