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Individual Calculations September 2010 |
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| Barnett, Alexander Total change: 28.50 | |   |
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| 4th Annual Philadelphia International | King of Prussia, Pennsylvania | USA | 2010-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2246 | 5.50 | 9 | 1.17 | 15 | 17.55 | |
|  Pinkerton, James C | | | 2054 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | |  Aripov, Iskandar | | | 2100 | UZB | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Bellaiche, Anthony | m | | 2442 | FRA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Karamsetty, Jeevan | | | 2008 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Molner, Mackenize | | | 2439 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Gokhale, Chandrashekhar | m | | 2282 | IND | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Rosenberg, Evan S | | | 2218 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Holt, Conrad | f | | 2375 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Bercys, Salvijus | m | | 2427 | USA | 0.50 | 1 | 0.24 | 15 | 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) | | | | 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2246 | 6.50 | 9 | 1.00 | 15 | 15.00 | |
| | Harris, Neal D | | | 2134 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Bodek, Michael H | | | 2219 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Murthy, Pappu | | | 2085 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ramer, Scott Leo | | | 2223 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Williams, Justus D | | | 2239 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Altschuler, Jason | | | 1962 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kelley, Dereque D | | | 2203 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Koo, Oliver T | | | 2241 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Daly, Troy | | | 2137 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | 18th Annual Southern Open | Orlando, Florida | USA | 2010-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2241 | 2.50 | 5 | -0.27 | 15 | -4.05 | |
| | Mandelkern, Jeremy | | | 2142 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Helfst, Matt | | | 1933 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Boas, Toby | | | 2188 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Becerra, Julio J | g | | 2557 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Studen, Damir | | | 2189 | USA | 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) | | |
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