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Individual Calculations September 2011 |
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| Larkins, Larry R Total change: 9.75 | |   |
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| 39th Annual World Open - U2200 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2131 | 3.00 | 4 | 0.60 | 15 | 9.00 | |
|  Regam, Jessica | | | 1819 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | |  Yang, Charles | | | 2047 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Toolin, Christopher | | | 2164 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Rueda, Libardo | | | 2156 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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 Lipkin/ Pfefferkorn Open | Greensboro, North Carolina | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2140 | 1.50 | 3 | 0.13 | 15 | 1.95 | |
| | Ardaman, Miles F | f | | 2301 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Mu, Joshua | | | 2145 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | McCartney, Patrick | | | 2072 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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 Annual Fairfax Open | Fairfax, Virginia | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2540 | 2140 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
| | Onischuk, Alexander | g | | 2540 * | USA | 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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