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Individual Calculations September 2011 |
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| Schmakel, Sam A Total change: 25.80 | |   |
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| 2011 FIDE Continental America's Amateur Chess Championship | Rosemont, Illinois | USA | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2064 | 5.50 | 7 | 1.37 | 15 | 20.55 | |
|  Sun, Abe | | | 1664 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Nieto, Guillermo L | | | 1825 | COL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Bian, Alex | | | 1922 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Yang, Michael | | | 2187 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Haessler, Carl A | | | 2167 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Hortillosa, Andres | | | 1974 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Szpisjak, Steven J | | | 2127 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | * 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) | | | | 4th Annual Chicago Class | Wheeling, Illinois | USA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2064 | 1.00 | 4 | -0.63 | 15 | -9.45 | |
| | Bobula, Mateusz | m | | 2385 | POL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Kogen, Jonathan S | | | 2037 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Fellman, Mike | | | 2001 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Vibbert, Sean | | | 2159 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | 6th Annual Indianapolis Open | Indianapolis, Indiana | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2064 | 2.50 | 4 | 0.98 | 15 | 14.70 | |
| | Hua, Margaret M | | | 1970 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Gareyev, Timur | g | | 2464 * | UZB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Finegold, Spencer | | | 2037 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Adams, Nicholas | | | 2240 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | * 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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