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Individual Calculations September 2011 |
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| Goss, Mel H Total change: -34.20 | |   |
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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 |
| 2141 | 2084 | 2.50 | 9 | -1.30 | 30 | -39.00 | |
|  Fikiet, Alex M | | | 2233 | USA | 0.00 | 1 | -0.30 | 30 | -9.00 | |  Colas, Joshua | | | 2040 | USA | 1.00 | 1 | 0.44 | 30 | 13.20 | | | Lein, Anatoly | g | | 2274 | USA | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Guo, Josh | | | 2123 | CAN | 0.50 | 1 | 0.05 | 30 | 1.50 | | | Finney, Stuart S | | | 2148 | USA | 0.00 | 1 | -0.41 | 30 | -12.30 | | | Hendrickson, Nolan | | | 2168 | USA | 0.50 | 1 | 0.12 | 30 | 3.60 | | | Resika, Nathan | f | | 2162 | USA | 0.00 | 1 | -0.39 | 30 | -11.70 | | | Chan, James | | | 1987 | CAN | 0.50 | 1 | -0.13 | 30 | -3.90 | | | Wright, William B | | | 2137 | USA | 0.00 | 1 | -0.43 | 30 | -12.90 | |
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) | | | | 4th Summer Solstice Open | Fort Lauderdale, Florida | USA | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2084 | 1.00 | 3 | 0.16 | 30 | 4.80 | |
| | Perez, Robert M | | | 2210 | USA | 0.50 | 1 | 0.17 | 30 | 5.10 | | | Becerra, Julio J | g | | 2484 * | USA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Xanthos, Constantine | | | 2131 | USA | 0.50 | 1 | 0.07 | 30 | 2.10 | | | * 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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